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Question 7 of 17
The following figures show the first two steps of a proof of the Pythagorean
theorem. Which of the following statements about this proof is false?
A. The areas of the figures in step 1 and step 2 are equal.
B. Rotating the triangles does not change their areas.
C. The area of the figure in step 1 is (a + b)2.
D. The triangles created in step 2 have the same area.
Answers
Answer:
C
Step-by-step explanation:
(a+b)^2 = (a+b) (a-b)
which isn't a^2 +b^2
[tex]3x-2y=222x+5y=2[/tex]
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What are the factors of a(3+ y)
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Answer:
2 factors.
Step-by-step explanation:
A factor is something which is multiplied by something else. (It can be a variable, number or term).
In this example, there are 2 factors: a & (3+y).
Hope this helps! Have a great day!
a(3+y)
Rearrange terms:
(3+)(+3)
Distribute:
a(y+3)
ay+3a
Solution:
ay+3a
It costs $525 for seven adult tickets and twelve youth tickets to the hockey game. If the difference in price between an adult ticket and a youth ticket is $18.00, find the cost of each kind of ticket.
Answers
Answer:
adult ticket $39 and youth ticket $21
Hope it helped
PLS mark BRAINLIEST
2. In Ella's math class, there are 12 girls and 15 boys. Which of the following is the ratio of boys to girls in Ella's math class?
A 12/27
B 12/15
C15/12
D27/12
Answers
Answer:
C. 15/12
Step-by-step explanation:
15 boys and 12 girls
Answer:
b
Step-by-step explanation:
12/15
SOMEBODY HELP PLEASEEE I DONT KNOW WHY THIS IS SUPPOSED TO BE 20+ CHARACTERS LONG BUT HERE IT IS
Answers
Answer:
20h + 20
Step-by-step explanation:
5(2h + 4) + 10h
1️⃣ Expand by distributing terms.
10h + 20 + 10h
2️⃣ Collect like terms.
(10h + 10h) + 20
3️⃣ Simplify.
20h + 20
Answer: 20h + 20
Done ✔
Auberys dinner cost $85 she tips the waitstaff 30% for excellent service. HOW much does aubery tip the waitstaff
Answers
Answer:
25.5
Step-by-step explanation:
Explanation
85×30%
Answer:
Aubrey tips the waiter $25.50.
Step-by-step explanation:
Heres the explination:
30/100 = 0.3
Then you have to multiply the decimal by $85.
0.3 * 85 = 25.5.
I hope this helps!
What are the missing side lengths in triangle PQR? And how did you find that answer pleaseee helppp!!
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find the solution of given expression
[tex] \sqrt{365 \times 4 \times 365} [/tex]
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Answer:
√{365×4×365}=√(365²×2²)=±(365×2)=±730
Answer:
[tex]\sqrt{365\cdot \:4\cdot \:365}=\sqrt{532900}[/tex]
[tex]=\sqrt{730^2}=730[/tex]
What is the following product?
Answers
Answer:
the image is not opening
Answer:
The answer is the third one :)
Step-by-step explanation:
I don't know how to explain it sorry
GIVING BRAINIEST IF RIGHT!! ANSWER FAST PLEASE
The table below shows the distance covered by a train over time.
Do the numbers in the table represent a proportional relationship? Why or why not?
A. No, because the ratios simplify to the same number.
B. Yes, because the ratios simplify to the same number.
C. No, because the ratios don't simplify to the same number.
D. Yes, because the ratios don't simplify to the same number.
Answers
Answer:
I think its B.) Yes, because the ratios simplify to the same number., sorry if it's wrong
Step-by-step explanation:
50/10 = 1/5
60/12 = 1/5
70/14 = 1/5
80/16 = 1/5
They all simplify to the same proportion.
-picture attached. A coke is formed from a paper circle with a sector removed as shown. the radius of the paper circle is 40cm The angle AOB is 110° calculate the circumference of the base of the cone.
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HELP ME PLZ ILL MARK YOU BRAINLIEST!!! Find the answers to the following multiplication problems without using a calculator, Reduce
the product to their lowest terms and change improper fractions to mixed numbers,
4/16 x 5/8
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Answer:
Ok I gotchu!
5/16 I think-
Step-by-step explanation:
11.3 x 3 = 28.25 please show the formula
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( –2x – 14x2) – ( 10x – 2) + 2(10x3 – 3)
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Answer:130
Step-by-step explanation:\
HELP i’m struggling pls
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share 350m in the ratio of 3:7
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Hope that helpss
Answer:
105 , 245
Step-by-step explanation:
Ratio = 3 : 7
3x , 7x
3x + 7x = 350
10x = 350
x = 350/10
x = 35
3x = 3*35 = 105
7x = 7 *35 = 245
Urrrrrrrrrrrrrrerrrrrr
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-9 - 8 + 5
-17 + 5
-12
Work out the value of x
2x + 13
x-4
x+7
(Look at the photo attached)
Answers
Answer:
x = 41
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Sum the 3 given angles and equate to 180
2x + 13 + x - 4 + x + 7 = 180, that is
4x + 16 = 180 ( subtract 16 from both sides )
4x = 164 ( divide both sides by 4 )
x = 41
Answer:
x=41
Step-by-step explanation:
we know that all the angles need to add up to 180
The angle on top is almost a right angle(90) but is not exactly
playing with the numbers will help
95-13=82/2=41
lets continue with this and see if it works out
41+7=48
41-4=37
48+95+37=180
hope this helps!
Is this correct???????
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solve the system of equations by graphing then write the solution y=2x -6 HELP I HAVE 10 MINUTES TO FINISH ILL GIVE 40 POINTSSSS
Answers
Step-by-step explanation:
Graph: y=−2x is a linear equation in slope-intercept form: ... The x-intercept is the value of x when y=0 , and the y-intercept is the value of y when x=0 .
Hope this helps! Have a great day!
Will give brainliest if correct
Find the area of this triangle.
Round to the nearest tenth.
22 m
15 m
115°
11 m
[?] m2
Hint: Area of a Triangle = {ab sin(C)
Enter
Answers
Answer:
74.6
Step-by-step explanation:
The area of the given triangle in the image is 74.8m².
What is a triangle?A triangle is simply a polygon with three vertices with three edges.
A scalene triangle is the triangle with no equal sides and angles.
It area can be calculated using the expression;
A = 1/2 × absinθ
Given the data in question;
Length of side a = 15mLength of side b = 11mLength of side c = 22mAngle C = 115°
To determine the area of the triangle, we substitute our given values into the expression above.
A = 1/2 × absinθ
A = 1/2 × 15m × 11m × sin( 115° )
A = 0.5 × 15m × 11m × 0.9063
A = 74.76975m²
A = 74.8m²
Therefore, the area of the given triangle in the image is 74.8m²
Learn more about area of triangle here: https://brainly.com/question/19305981
WHICH IS AN IRRATIONAL NUMBER?
BRAINLYIST!!
Answers
Answer:
The first one
Step-by-step explanation:
The second one is 0.
The third one is rational, just 0.6.
The last one is just the absolute value, which is 3.
Answer: C or D
Step-by-step explanation:
(PLEASE HELP) What is the value of x?
Enter your answer in the box.
x =
Answers
Answer:
x = 12
Step-by-step explanation:
(10x - 20)° + (6x + 8)°= 180°
(Linear pair angles)
(10x - 20 + 6x + 8)°= 180°
(16x - 12)°= 180°
16x - 12 = 180
16x = 180 + 12
16x = 192
x = 192/16
x = 12
Answer:
so x would equal 12
Step-by-step explanation:
(10x - 20)° + (6x + 8)°= 180°
so you are going to want to combine like terms which would be
10x and 6x, and 20,8
10x+6x=16x
20-8=12
16x-12=180
now you want to get 12 on the opposite side of the equal side so you add (since it is negative) 12 to each side
which gets rid of the first 12
16x=180+12
now you can add 180+12
and you get 192
so now we want to get x by itself in order to do that you must divide
you are going to divide by 16 an each side and the 16 cancels out the first 16
16x/16=192/16
x=192/16
and 192 divided by 16 is 12
so you answer is
x=12
Hope this made sense :)
Please can i have the correct answer this is a important test
I will mark you brainliest
I just need part B only
Answers
Answer:
thin think back to wen you were l lerning about it come on you can do it
A function takes an input of the number
of light bulbs packaged in a day and
produces an output of the approximate
number of defective bulbs. Which
option best describes the domain of the
function?
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Answer:
in the info given the domain would be the number of bulbs packaged in a day and the range would be the number of defective bulbs.
a. Convert 39/7 to a mixed number
b. Covert 56/123 to a decimal.
Give your answer to 2 decimal places
Please help me asap
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Explain why it is important to write equivalent fractions before remaining.
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Answer:
hope it helps the answer
a polynomial contains number of terms
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A store owner has 7.41 lbs. of candy. If she puts the candy into 9 jars, how much candy will each jar contain with how much left over?
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Explanation: 7.41 divided by 9= .82333