1. To break down 12x² into its prime factors,Start dividing 12 by 2, which gives you 6. Then, break 6 by 2, which gives 3. To write 12x² in terms of its prime factors, you simply need to add the x² term, giving you 2 * 2 * 3 * x * x or option C.
What is common factor?A common factor is a number or expression that divides two or more other numbers or expressions without leaving a remainder.
Since 3 is a prime number So the prime factorization of 12 is 2 * 2 * 3.
2. To find the greatest common factor of 8x³ - 12x² + 16x, you can start by factoring out any common factors that the terms share. In this case, all of the terms have a factor of 4x, so you can factor that out to get 4x(2x² - 3x + 4). Therefore, the greatest common factor is 4x or option B.
3. To rewrite 8x³ - 12x² + 16x, pulling out the greatest common factor, you can use the same method as in question 2. The greatest common factor of the terms is 4x, so you can factor that out to get 4x(2x² - 3x + 4) or option A.
4. To find the greatest common factor of 6x²+ 16x + 10, you can factor the expression using the quadratic formula or by factoring the expression as (3x + 5)(2x + 2). Since there is no other common factor between the terms, the greatest common factor is 1 or option A.
5. To factor x² - 4x - 32, you need to find two numbers that multiply to -32 and add to -4. These numbers are -8 and 4. Therefore, x² - 4x - 32 can be factored as (x - 8)(x + 4) or option C.
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Find the area of the surface obtained by rotating the curve about the x-axis. y = x^2/4 - ln x/2.
The area of the surface obtained by rotating the curve about the x-axis.
y = X²⁾⁴- ln x is 2.8.
The area of a sphere is defined as the area covered by its outer surface in three-dimensional space. A sphere is a three-dimensional solid that is circular in shape, like a circle.
Based on the Question:
Knowing the area of a solid obtained by rotating a curve governed by the function f(x) around the y-axis, where a ≤ x ≤ b, is represented by a single integral given below:
Surface Area = [tex]2\pi \int\limits^b_a {f(x)\sqrt{1+f(x')^2} } \, dx[/tex]
Consider the curve equation y(x) where 1 ≤ x ≤ 2 is shown below.
[tex]y(x) = \frac{x^2}{4} -\frac{ln x}{2}[/tex]
Now,
Derivations the above equation:
[tex]y'(x) =\frac{d}{dx} {\frac{x^2}{4} -\frac{ln x}{2} }[/tex]
⇒ [tex]y'(x)=\frac{x}{2} -\frac{1}{2x}[/tex]
⇒ [tex]y'(x) = \frac{x^2-1}{2x}[/tex]
Calculate the numerical value of the obtained area value to obtain the desired result.
Surface area = 5.30144 - 2.55493
= 2.74651 ≈ 2.8
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Question This figure is made up of two rectangular prisms. What is the volume of the figure? Enter your answer in the box. giveing brainelslist pls answer
The volume of figure made up of two rectangular prisms is found to be 1092 sq. in.
Explain about the volume of rectangular prisms?The amount of three-dimensional space that an object takes up is its volume. Cubic units are used to measure volume.For instance, the rectangular prism below, which is composed of 18 unit cubes, has a volume of 18 cubic units.volume of rectangular prisms = length * width * height
So,
Volume of A and C are same as their dimensions are same.
Volume of A and C = 2*(7*2*3)
Volume of A and C = 84 sq. in
Now, volume of B = 12*12*7
volume of B = 1008 sq. in.
Complete volume = Volume of A and C + volume of B
Complete volume = 84 sq. in + 1008 sq. in.
Complete volume = 1092 sq. in.
Thus, the volume of figure made up of two rectangular prisms is found to be 1092 sq. in.
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Mr. Ross had been classifying fuel costs as Delivery Expense but has found that the amount paid each month for gasoline has become a major expense. He has decided to use a separate account, Gasoline Expense. Also, a new account, Water Expense, is to be added to the chart of accounts. Account number _ should be assigned to Gasoline Expense, and account number _ should be assigned to Water Expense.
For Gasoline Expense, the account number may be something like 4540 (4 for expenses, 5 for operating expenses, and 40 for the specific account number). For Water Expense, the account number may be something like 4550 (4 for expenses, 5 for utility expenses, and 50 for the specific account number
How to assign account number?
To add new accounts to the chart of accounts, Mr. Ross should first determine the account type and the appropriate category. In this case, Gasoline Expense would be classified as an operating expense account, while Water Expense would be classified as a utility expense account.
Once the account types have been identified, Mr. Ross should then determine the account number for each account. The account numbering system may vary depending on the accounting system in use, but generally, account numbers are structured hierarchically based on the account category and type.
For example, if the account numbering system uses a four-digit code, the first digit may represent the account category (e.g., 1 for assets, 2 for liabilities, 3 for equity, 4 for revenues, and 5 for expenses), the second digit may represent the specific account type (e.g., 4 for operating expenses and 5 for utility expenses), and the last two digits may be assigned sequentially to each account within that category and type.
So, for Gasoline Expense, the account number may be something like 4540 (4 for expenses, 5 for operating expenses, and 40 for the specific account number). For Water Expense, the account number may be something like 4550 (4 for expenses, 5 for utility expenses, and 50 for the specific account number).
However, the specific account numbering system used may vary depending on the accounting system in use, so Mr. Ross should consult with his accountant or accounting software provider for guidance on how to properly create and assign account numbers in his specific system.
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Consider the following algebraic statements and determine the values of x for which each statement is true. On a number line, show the set of all points corresponding to the values of x.
4=|-2x|
Your question is incomplete. The complete question is: Consider the following algebraic statements and determine the values of x for which each statement is true. On a number line, show the set of all points corresponding to the values of x.
|x| = 7
4=|-2x|
The values of x for which each statement is true are:
|x| = 7: x = -7 or x = 7
4 = |-2x|: x = -2 or x = 2
How to determine the values of x for which each statement is true?a) |x| = 7
-x = 7 or x = 7
x = -7 or x = 7
This statement is true for two values of x:
x = -7 and x = 7.
b) 4 = |-2x|
4 = -2x or 4 = 2x
x = -2 or x = 2
This statement is true for two values of x:
x = -2 and x = 2.
The number line is shown in the image attached.
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question in what quadrant does the terminal ray of the angle lie? select quadrant i, quadrant ii, quadrant iii, or quadrant iv.
, [tex]\frac{-21 \pi}{8}[/tex] lies in 3rd quadrant, ,[tex]\frac{-5 \pi }{9}[/tex] lies in 3rd quadrant,t, [tex]\frac{5 \pi}{6}[/tex] radian lies in 2nd quadrant and [tex]\frac{35 \pi}{4}[/tex] lies in 1st quadrant.
What is Trigonometry?
Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles.
To determine the quadrant in which the angle -21π/8 lies
Convert, [tex]\frac{-21 \pi}{8}[/tex] to number
-21×180/8
-472.5 degrees lies in which quadrant we have to check.
The value is negative
Quadrant IV = 0 to -90°
Quadrant III = -90° to -180°
Quadrant II = -180° to -270°
Quadrant I = -270° to -360°
-21π/8 lies in 3rd quadrant
-5π/9=-100 which lies in 3rd quadrant
5π/6=150 which is positive so it lies in 2nd quadrant
35π÷4=1575 which is positive so it lies in 1st quadrant
Hence, [tex]\frac{-21 \pi}{8}[/tex] lies in 3rd quadrant,[tex]\frac{-5 \pi }{9}[/tex]lies in the 3rd quadrant, [tex]\frac{5 \pi}{6}[/tex] lies in 2nd quadrant and [tex]\frac{35 \pi}{4}[/tex] lies in 1st quadrant.
The complete question is-
In what quadrant does the terminal ray of the angle lie?
Select Quadrant I, Quadrant II, Quadrant III, or Quadrant IV.
Angle measure Quadrant I Quadrant II Quadrant III Quadrant IV
−21π8
Quadrant , I – negative fraction numerator 21 pi over denominator 8 end fraction
Quadrant , I I – negative fraction numerator 21 pi over denominator 8 end fraction
Quadrant , , I I I, – negative fraction numerator 21 pi over denominator 8 end fraction
Quadrant , I V – negative fraction numerator 21 pi over denominator 8 end fraction
−5π9
Quadrant , I – negative fraction numerator 5 pi over denominator 9 end fraction
Quadrant , I I – negative fraction numerator 5 pi over denominator 9 end fraction
Quadrant , , I I I, – negative fraction numerator 5 pi over denominator 9 end fraction
Quadrant , I V – negative fraction numerator 5 pi over denominator 9 end fraction
5π6
Quadrant , I – fraction numerator 5 pi over denominator 6 end fraction
Quadrant , I I – fraction numerator 5 pi over denominator 6 end fraction
Quadrant , , I I I, – fraction numerator 5 pi over denominator 6 end fraction
Quadrant , I V – fraction numerator 5 pi over denominator 6 end fraction
35π4
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fine the exact value of sin(45-30)
Bria is a customer who would like to display her collection of soap carvings on top of her bookcase. The collection needs an area of 300 square inches. What should b equal for the top of the bookcase to have the correct area? Round your answer to the nearest tenth of an inch.
I need help D: Please !!!!
The width of the top of the bookcase should be approximately 12.2 inches to give Bria's soap carving collection an area of 300 square inches.
How do you compute the area of a square inch?Simply multiply the length and width measurements to get the area of your square or rectangular area in square inches.
Assume the bookcase's top is rectangular, with length "L" and width "b". Because the area of a rectangle is the product of its length and width, we get:
L * b = 300
To find "b," we can rearrange the equation as follows:
b = 300 / L
We don't have enough information to directly solve for "L," but we can make an educated guess based on the figure provided. Based on the illustration, the bookcase appears to be roughly twice as long as it is wide. So let us suppose:
L ≈ 2b
When we plug this into the equation above, we get:
b = 300 / (2b) (2b)
To simplify, we have:
b^2 = 150
When we take the square root of both sides, we get:
b ≈ 12.2
We have, rounded to the nearest tenth of an inch:
b ≈ 12.2 inches
As a result, the width of the top of the bookcase should be approximately 12.2 inches in order to give Bria's soap carving collection a 300-square-inch area.
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What is the height of the building shown below? Round to the nearest tenth if necessary.
62.9 feet
132 feet
123.5 feet
77.7 feet
Answer:
77.7
Step-by-step explanation:
if you know, you know. laso make sure your calculator is on degrees and not radians
Find the measure of the angle A for the triangle shown!
Answer:
The value of A is 34 degrees angles on the right angle triangle are equal to 180 degrees
Find x, if √x +2y^2 = 15 and √4x - 4y^2=6
Answer:
x = 52.2
Step-by-step explanation:
Add 4x - 4y^2 = 36 and x + 2y^2 = 225
x + 2y^2 + 4x - 4y^2 = 225 + 36
5x = 261
x = 261/5=52.2
Find the prime factorization of 792. What is the sum of the distinct prime factors?
The sum of the distinct prime factors is 16.
Solution:There are overall 24 factors of 792 among which 792 is the most significant factor and its prime factors are 2, 3, and 11.
Hence sum = 2 + 3 + 11 = 16
write a verbal expression for each algebraic expression
9a2
Answer:
Step-by-step explanation:
Assuming you mean [tex]9a^2[/tex]:
Multiply nine by a squared.
OR
Times nine by a squared.
If you mean 9a^2:
Multiply nine by a number squared
or
Multiply a number squared by nine
A 5-year swap contract can be viewed as a portfolio of 5 forward contracts with maturities of 1, 2, 3, 4 and 5 years. One important exception is that Multiple Choice O the forward price is the same for the swap contract but not for the forward contracts. the swap contract will have daily resettlement the forward contracts will have resettlement risk.
If a 5-year swap contract can be viewed as a portfolio of 5 forward contracts with maturities of 1, 2, 3, 4 and 5 years. One important exception is option (a) the forward price is the same for the swap contract but not for the forward contracts
In a swap contract, the fixed rate is agreed upon at the beginning of the contract, and the floating rate is determined by a reference rate such as LIBOR. The swap contract's value is based on the difference between the fixed and floating rates at each settlement date. In contrast, forward contracts involve an agreement to buy or sell an asset at a specified price on a specific future date. The forward price is determined at the time the contract is entered into and is based on the spot price of the underlying asset, the time to maturity of the contract, and the cost of carry.
Therefore, the forward price will be different for each forward contract in the swap portfolio, whereas the forward price for the swap contract will be the same throughout the contract's life. The other options mentioned are not true for swap or forward contracts.
Therefore, the correct option is (a) the forward price is the same for the swap contract but not for the forward contracts
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d. A quantity increases by 25% each year for 3 years. How much is the combined percentage growth p over the three-year period?
When a quantity increases by 25%, the new quantity becomes 100% + 25% = 125% of the original quantity.
After the first year, the quantity has increased to 125% of its original value. After the second year, it increases an additional 25%, making the new value 125% + (25% of 125%) = 156.25% of the original value. Finally, after the third year, it increases by another 25%, making the new value 156.25% + (25% of 156.25%) = 195.3125% of the original value.
So the quantity has increased by 195.3125% - 100% = 95.3125% over the three-year period. Therefore, the combined percentage growth p over the three-year period is 95.3125%.
A bicycle wheel travels 30π inches for each revolution. What is the diameter of the wheel?
Answer:30 inches
Step-by-step explanation:
right triangle that i’m confused on please help
Answer:
Proofs attached to answer
Step-by-step explanation:
Proofs attached to answer
Shawn drinks 350 mL of milk every day. How many liters of milk does she drink in a week?
Answer:
The answer is 2.45 litres in one week.
Answer:
2.45 liters
Step-by-step explanation:
1 days - 350 ml of Milk
We know that, there are 7 days per week.
Therefore,
To find the milliliters of milk that she drinks in a week,
multiply milliliters of milk she drinks for a day by 7 ( number of days in a week).
Let us find it now.
350 ml × 7 = 2450 ml
And now to convert your answer into litres divide it by 1000.
2450ml ÷ 1000 = 2.45 liters
100 POINTS + BRAINLIEST!!
Step-by-step explanation:
Mean is the average of all of the scores (26 of them)
Mean = (3x6 + 4x3 +5x1 + 6x2 + 7x0 + 8x5 +9x5 + 10x4) / 26 = 6.6
Median is the score in the middle of all of the scores arranged in ascending order ( or the average of the middle two if there is an even number (26) of scores )
333333 444 5 66 88 888 99999 10 10 10 10 Median = 8
Mode is the score with the highest frequency = 3 (there are 6 of them)
ii) 3/4 of the students would be 3/4 x 26 = 19.5 students ~ 20 students
this would mean the average the teacher is talking about is '3' (the 'mode') since 20 students scored above '3' ( 3+1+2 +0+5+5+4 = 20)
Answer:
ion kno but good luck
Step-by-step explanation:
PLEASE I NEED HELP, what is the equivalent of 7/tan b+7tan b
In response to the stated question, we may state that The equivalent trigonometry expression of 7/tan b + 7tan b is (7 - 7tan b cot b)/sin b.
what is trigonometry?The study of the connection between triangle side lengths and angles is known as trigonometry. The concept first originated in the Hellenistic era, during the third century BC, due to the application of geometry in astronomical investigations. The subject of mathematics known as exact techniques deals with certain trigonometric functions and their possible applications in calculations. There are six commonly used trigonometric functions in trigonometry. Sine, cosine, tangent, cotangent, secant, and cosecant are their separate names and acronyms (csc). The study of triangle characteristics, particularly those of right triangles, is known as trigonometry. As a result, geometry is the study of the properties of all geometric forms.
tan(A + B) = (tan A + tan B)/(1 - tan A tan B)
Set A = 90 degrees and B = b degrees:
tan(90 + b) = (tan 90 + tan b)/(1 - tan 90 tan b)
tan(90 + b) = (undefined + tan b)/(1 - undefined tan b)
tan(90 + b) = -cot b
7/tan b + 7tan b
= 7/(tan b) + 7(tan(90 + b) - 1)
= 7/(tan b) + 7(-cot b - 1)
= (7 - 7tan b cot b)/sin b
The equivalent expression of 7/tan b + 7tan b is (7 - 7tan b cot b)/sin b.
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In December last year, Kelantan experienced a major flood. This flood is continuously distributed. It is found that 50% of the rainy days are non-stop rain. If there is non-stop rain, 80% will flood; otherwise 30% flooding will occur. If a flood occurs, what is the percentage that it rains non-stop in December of that year? [5 marks]
If a flood occurs, there is a 72.7% probability that it rains non-stop in December of that year
What is probability ?
Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, with 0 indicating that the event is impossible and 1 indicating that the event is certain to occur. Probabilities between 0 and 1 indicate the likelihood of an event occurring, with smaller values indicating lower likelihoods and larger values indicating higher likelihoods.
Probabilities can be determined using mathematical formulas, statistical analysis, and empirical data. They are used in a wide range of fields, including mathematics, science, economics, and social sciences, to make predictions and inform decision-making.
According to the question:
Let's use the following notation:
NR: Non-stop rain
F: Flood
We want to find the conditional probability of NR given that F occurred, or P(NR|F). We can use Bayes' theorem to find this probability:
P(NR|F) = P(F|NR) * P(NR) / P(F)
We know that 50% of the rainy days are non-stop rain, so P(NR) = 0.5. We also know that if there is non-stop rain, 80% will flood, so:
P(F|NR) = 0.8
If there is no non-stop rain, 30% flooding will occur, so:
P(F|~NR) = 0.3
We can use the law of total probability to find P(F), which is the probability of flooding occurring:
P(F) = P(F|NR) * P(NR) + P(F|~NR) * P(~NR)
P(~NR) = 1 - P(NR) = 0.5
P(F) = 0.8 * 0.5 + 0.3 * 0.5 = 0.55
Now we can plug in all the values to find P(NR|F):
P(NR|F) = P(F|NR) * P(NR) / P(F)
P(NR|F) = 0.8 * 0.5 / 0.55 = 0.727 or 72.7% (rounded to one decimal place)
Therefore, if a flood occurs, there is a 72.7% chance that it rains non-stop in December of that year.
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five players are each dealt 2 cards without replacement. (a) what is the expected value of the sum of all 10 cards?
The expected value of a total of all 10 cards is 65.38 when the five players are dealt with 2 cards each without replacement.
The expected value of the sum of all 10 cards dealt without replacement can be calculated by multiplying the expected value of a single card by 10.
The expected value of a single card can be calculated by adding up all possible outcomes (Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, J, Q, K) and dividing by the total number of cards in a deck (52).
= 52/13
This gives us an expected value of 6.5381.
Therefore, the expected value of the sum of all 10 cards is 65.38
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Complete question is:
Five players are each dealt 2 cards without replacement.
What is the expected value of the sum of all 10 cards?
QUESTION THREE (30 Marks) a) For a group of 100 Kiondo weavers of Kitui, the median and quartile earnings per week are KSHs. 88.6, 86.0 and 91.8 respectively. The earnings for the group range between KShs. 80-100. Ten per cent of the group earn under KSHs. 84 per week, 13 per cent earn KSHs 94 and over and 6 per cent KShs. 96 and over. i. Put these data into the form of a frequency distribution and obtain an estimate of the mean wage. 15 Marks
Answer:
the answer would be 100 I guess
A gardener has 100 meters of fencing to enclose two adjacent rectangular gardens, as shown in the figure. 4x + 3y = 100 (a) Write the area of the enclosed region as a function of x. 8 2 200 A(x) = + 3 -2 3 (b) Use a graphing utility to generate additional rows of the table. (Round your answers to one decimal place.) X y Area 2 92 3 30.7 368 3 122.7 4 28 224 6 25.3 > 304 8 22.7 362.7 10 | 20 400 12 17.3 416 14 || 14.7 410.7 Use the table to estimate the dimensions that will produce a maximum area. (Round your answers to one decimal place.) longer side 2x = 24 shorter side y = 173 m (c) Use the graphing utility to graph the area function. A(X) A(X) 400 400 300 300 200 200) 100 100 LUL X 5 10 15 20 25 o 5 10 15 20 25 A(X) A(X) 400 400) 300 300 200 200 100) 100 5 10 15 20 х 25 5 10 15 20 25 Use the graph to estimate the dimensions that will produce a maximum area. (Round your answers to one decimal place.) longer side 2x = 25 m shorter side y = 16.7 (d) Use the graph to approximate the dimensions such that the enclosed area is 336 square meters. (Round your answers to one decimal place.) Smaller value of x: longer side y = 23.3 m shorter side 2x = 15 X m Larger value of x: longer side 2x = 35 shorter side y = 10 m X m (e) Find the required dimensions of part (d) algebraically. (Round your answers to one decimal place.) Smaller value of x: longer side m shorter side 2x = 15 x m y = 23.3 Larger value of x: longer side 2x = 35 shorter side EE y = 10 x m
The area of enclosed region as a function of x is A(x) = 8x^2/3 + (200/3)x - 2x. Using a table, the estimated dimensions that produce maximum area are longer side x = 12 and shorter side y = 17.3 m. Using a graph, the estimated dimensions that produce maximum area are longer side 2x = 25 m and shorter side y = 16.7 m. The dimensions for an enclosed area of 336 square meters are smaller value of x: longer side y = 23.3 m, shorter side 2x = 15 x m and larger value of x: longer side 2x = 35 m, shorter side y = 10 x m.
The area of the enclosed region can be written as a function of x as follows.
A(x) = 2xy
Substituting y = (100 - 4x)/3, we get
A(x) = 2x(100 - 4x)/3 = (200x - 8x^2)/3 = 66.7x - 2.67x^2
Using a graphing utility, we can generate additional rows of the table as follows.
xy Area
2 92 368
3 122.7 367.1
4 128 512
5 116.7 583.3
6 100.7 604.2
7 80.0 560.0
8 65.3 522.7
9 56.0 504.0
10 51.3 513.0
11 51.0 561.0
12 54.7 656.7
13 62.0 806.2
14 72.7 1003.3
From the table, we can see that the maximum area occurs when x = 12 and y = 17.3.
The graph of the area function is shown.
From the graph, we can estimate that the dimensions that will produce a maximum area are x ≈ 12.5 and y ≈ 16.7.
From the graph, we can estimate that the smaller value of x for an area of 336 square meters is x ≈ 7.5 and the larger value of x is x ≈ 17.5. Substituting these values in the equation for y, we get:
For the smaller value of x:
y = (100 - 4(7.5))/3 ≈ 23.3
So, the required dimensions are longer side = 15 m and shorter side = 2(7.5) = 15 m.
For the larger value of x:
y = (100 - 4(17.5))/3 ≈ 10.0
So, the required dimensions are longer side = 2(17.5) = 35 m and shorter side = 10 m.
To find the required dimensions algebraically, we need to solve the equation A(x) = 336. We already have the expression for A(x) as:
A(x) = 8x(50 - 4x)
Substituting 336 for A(x), we get:
8x(50 - 4x) = 336
Dividing both sides by 8, we get:
x(50 - 4x) = 42
Expanding the left side, we get:
50x - 4x^2 = 42
Rearranging and simplifying, we get a quadratic equation:
4x^2 - 50x + 42 = 0
We can solve this quadratic equation using the quadratic formula:
x = (-b ± sqrt(b^2 - 4ac)) / 2a
where a = 4, b = -50, and c = 42.
Substituting these values, we get:
x = (50 ± sqrt(50^2 - 4(4)(42))) / 2(4)
Simplifying, we get:
x = (50 ± sqrt(196)) / 8
x = (50 ± 14) / 8
So, the two possible values of x are:
x = 7 or x = 1.25
For x = 7, the corresponding dimensions are:
longer side 2x = 14 m
shorter side y = (50 - 4x) = 22 m
For x = 1.25, the corresponding dimensions are:
longer side 2x = 2.5 m
shorter side y = (50 - 4x) = 32.5 m
Therefore, the required dimensions for an enclosed area of 336 square meters are:
Smaller value of x: longer side 2x = 2.5 m, shorter side y = 32.5 m
Larger value of x: longer side 2x = 14 m, shorter side y = 22 m
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a water park sold 1679 tickets for total of 44,620 on a wa summer day..each adult tocket is $35 and each child ticket is $20. how many of each type of tixkwt were sold?
Answer: 811 adult tickets and 868 child tickets
Step-by-step explanation:
35x +20y = 44,620
add 35+20
divide the sum by 44,620 and
the answer
What is the meaning of "field"?
This group is isomorphic to the group of invertible matrices GL(n) if the vector space has finite dimension n.
What is matrices?Matrices are rectangular arrays of numbers or other mathematical objects, such as complex numbers, polynomials, or functions. Matrices are an important tool in many branches of mathematics, including linear algebra, calculus, and statistics. A matrix is usually written with square brackets enclosing its elements, with rows and columns separated by commas or spaces.
by the question.
Yes, you are correct! The set of all n x n matrices with entries in a field (such as the real numbers) is a group under addition, known as the general linear group GL(n), where the operation is matrix addition. This group satisfies the four group axioms:
Closure: The sum of two matrices is also a matrix.
Associativity: Matrix addition is associative.
Identity: The zero matrix is the identity element of GL(n).
Inverse: For every matrix A in GL(n), there exists a matrix -A such that A + (-A) = 0.
However, the set of all n x n matrices with entries in a field is not a group under multiplication because matrix multiplication is not always commutative and not every matrix has an inverse with respect to matrix multiplication.
On the other hand, the set of invertible n x n matrices, denoted by GL(n) or GL (n, F) when the field is specified, does form a group under matrix multiplication. The group axioms are satisfied:
Closure: The product of two invertible matrices is invertible.
Associativity: Matrix multiplication is associative.
Identity: The identity matrix I_n is the identity element of GL(n).
Inverse: For every invertible matrix A in GL(n), there exists an inverse matrix A^-1 such that A * A^-1 = I_n.
Similarly, the set of invertible linear transformations of a vector space into itself forms a group under composition of functions, known as the general linear group GL(V) of the vector space V.
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✪ Explain why Jack should keep the policies you placed in the "Policies to Keep" column.
The policies listed in the "Policies to Keep" column are beneficial to Jack as they help to reduce the risk of fraud, financial loss, and mismanagement of resources. They also serve to ensure that the business is operating in a compliant and legal manner. Additionally, these policies can help to ensure that the organization is operating efficiently and in an ethical manner.
In a group, there are 10 women, 8 blondes and 3 blonde women. How many people are either blonde or a woman?
Answer:
18. 10 women, 8 blondes. the 3 blonde women have already fallen into the previous categories.
3 g(n) = 80 . (-) 4 O Complete the recursive formula of g(n). g(1) = g(n) = g(n − 1). -
Answer:
Based on the given information, we know that:
g(n) = 80 - 4g(n-1)
Also, we have the initial condition:
g(1) = g(n) = g(n-1)
Putting everything together, we can write the recursive formula for g(n) as follows:
g(1) = g(n) = g(n-1) (initial condition)
g(n) = 80 - 4g(n-1) (recursive formula)
where n > 1.
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Can someone please help me
The volume of the composite figure is 837.33 cubic units.
What is volume of a cone?The area or capacity of a cone is determined by its volume. A cone's circular base tapers from a flat base to a point known as the apex or vertex in three dimensions. A cone is made up of a collection of line segments, half-lines, or lines that link the apex—the common point—to each point on the base, which is on a plane without the apex. A cone may be thought of as a collection of irregularly shaped circular discs placed on top of one another with the ratio of their radii remaining constant.
The volume of any composite figure is the addition of the volume of all the shapes present in the figure.
Here, the composite solid is made of 2 cones and a cylinder.
The volume of cone is:
V = 1/3(πr²h)
For cone with height 12 and r= 4:
V = 1/3(π)(4)²(12)
V = 200.96 cubic units.
For cone with h = 8 and r = 4:
V = 1/3(π)(4)²(8)
V = 133.97
The volume of cylinder is:
V = πr²h
V = (3.14)(4)²(10)
V = 502.4 cubic units.
The volume of the composite solid is:
Total volume = 200.96 + 133.97 + 502.4
Total volume = 837.33 cubic units.
Hence, the volume of the composite figure is 837.33 cubic units.
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Find X using the picture below.
Answer: 37.5
Step-by-step explanation:
75 - 180 = 105
105 degrees = the obtuse angle, bottom triangle.
75/2= 37.5 (since both sides of the bottom triangle are equal angles)