cala used 4 2/3 cups of watermelon and 2 1/6 cups of cherries to make a fruit bowl how many cups of watermelon and cherries were used in all

Answer:

Part B: Calculate the range and interquartile range (IQR) for each group and interpret what they tell us about the data.

For Group A:

Range = 5 - 1 = 4

Q1 = 2

Q3 = 4

IQR = Q3 - Q1 = 2

For Group B:

Range = 5 - 2 = 3

Q1 = 2

Q3 = 4

IQR = Q3 - Q1 = 2

The range for Group A is larger than the range for Group B, indicating that there is more variability in the growth of the plants in Group A. However, both groups have the same IQR, indicating that the middle 50% of the data in each group is similar. This suggests that while there may be some variability in the growth of the plants, the overall distribution of growth is similar between the two fertilizers.

A patient weighing 220 pounds needs 293 milligrams of medicine.

We have given that,

patient weighing 162

pounds requires 216 milligrams of medicine

We have to calculate the amount of medicine required by a patient weighing 220 pounds

Consider the value of amount of medicine is x.

Set up a proportion.

pounds / milligrams of medicine

What is the proportion we get?

[tex]162/216=220/x[/tex]

So,

[tex]162/216=220/x[/tex]

[tex]162x=216\times220[/tex]

[tex]162x=47,520[/tex]

[tex]x=47,520/162[/tex]

[tex]x=293[/tex]

A patient weighing 220 pounds needs 293 milligrams of medicine.

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Answer:

To evaluate this expression, you need to follow the order of operations, which is:

Do any calculations inside parentheses first. (There are no parentheses in this expression.)

Exponents or radicals (There are no exponents or radicals in this expression.)

Multiplication or division, from left to right. (Perform 32 x 2.2, which equals 70.4.)

Addition or subtraction, from left to right. (Perform 12 divided by five, which equals 2.4, then add that to 70.4.)

Therefore, the answer is:

12 ÷ 5 + 32 x 2.2 = 2.4 + 70.4 = 72.8

The probability that the 78% of all the dialysis patients survive for at least five years will exceed 80%, rounded to 5 decimal places is 0.3192.

The proportion of dialysis patients surviving for at least 5 years = 78% = 0.78

Assuming that a simple random sample of 100 dialysis patients is selected, the sample size is n = 100.

Let p be the proportion of dialysis patients in the sample surviving for at least 5 years.

Then, the sample mean is given by:

μp = E(p) = p = 0.78

So, the mean proportion of dialysis patients surviving for at least 5 years is equal to 0.78.

The standard error of the sample proportion is given by:

σp=√p(1−p)/n

σp=√0.78(1−0.78)/100

σp=0.04278

The required probability is to find P(p > 0.80):

P(p > 0.80) = P(Z > (0.80 - 0.78)/0.04278)

P(p > 0.80) = P(Z > 0.467) = 1 - P(Z < 0.467) = 1 - 0.6808 = 0.3192 (rounded to 5 decimal places)

Therefore, the probability that the proportion surviving for at least five years will exceed 80% in a simple random sample of 100 new dialysis patients is 0.3192.

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The marketing campaign by Snyder's Moving company was profitable, generating an additional profit of $31,288 after subtracting the cost of the campaign. The total revenue generated after the campaign was $403,588.

To determine the profitability of the marketing campaign, we need to calculate the additional profit generated by the clients who were convinced to use Snyder's for residential moves.

Let's start by calculating the number of clients in each segment

Clients who fall into both categories, 0.1 x 2,200 = 220

Clients in each segment, (2,200 - 220) / 2 = 990

Now let's calculate the revenue generated by each segment

Revenue from clients in each segment: 990 clients x $260 profit per move = $257,400

Revenue from clients who fall into both categories: 220 clients x 2 moves x $260 profit per move = $114,400

Total revenue generated: $371,800

Now let's calculate the revenue generated after the marketing campaign

10% of 990 SB-only clients decided to use Snyder's for residential moves

0.1 x 990 = 99 clients

Additional revenue generated from these clients: 99 clients x $260 profit per move x 1.15 (15% higher price for SB moves) = $31,788

Total revenue generated after the marketing campaign, $403,588

Finally, let's subtract the cost of the marketing campaign

Profit generated after the marketing campaign: $403,588 - $500 = $403,088

Therefore, the marketing campaign was profitable, generating an additional profit of $31,288.

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The domain and range of the function f(x) =a^x, then option (c)  Domain = positive real numbers, range = positive real numbers.

The function f(x) = a^x is an exponential function with a base of a, where a is a positive real number. The domain of the function is all real numbers, because we can raise a positive number to any real power.

However, since a is positive, a^x will always be positive, which means that the range of the function is also positive real numbers. Therefore, the correct option is c. Domain = positive real numbers, range = positive real numbers.

Therefore, the correct option is (c) Domain = positive real numbers, range = positive real numbers.

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Answer:

A ratio of 25 to 6 can be written as 25 to 6, 25:6, or 25/6. Furthermore, 25 and 6 can be the quantity or measurement of anything, such as students, fruit, weights, heights, speed and so on. A ratio of 25 to 6 simply means that for every 25 of something, there are 6 of something else, with a total of 31

Step-by-step explanation:

done hope u like it !!

Answer:

Let the length of the rectangle be l and the width be w. Then, according to the problem statement, we have:

Perimeter of rectangle = 2(l + w) = 48 feet

Dividing both sides by 2, we get:

l + w = 24 feet

Now we can check the options:

A) 6 feet x 8 feet: l + w = 6 + 8 = 14 feet, which is not equal to 24 feet. Therefore, this option is not correct.

B) 12 feet x 12 feet: l + w = 12 + 12 = 24 feet, which is equal to the given perimeter. Therefore, this option is correct.

C) 16 feet x 8 feet: l + w = 16 + 8 = 24 feet, which is equal to the given perimeter. Therefore, this option is correct.

D) 12 feet x 4 feet: l + w = 12 + 4 = 16 feet, which is not equal to 24 feet. Therefore, this option is not correct.

So, the correct options are B) 12 feet x 12 feet and C) 16 feet x 8 feet.

Answer:

None of the given options matches the value we got for x, but the closest option is A. 2 over 3. However, we need to note that x is not a whole number, it's a decimal.

Step-by-step explanation:

Let's solve the given equation

14x+312=2(12x+34)

Distribute the 2 on the right-hand side

14x+312=24x+68

Subtract 14x from both sides

312=10x+68

Subtract 68 from both sides

244=10x

Divide both sides by 10

x=24.4

Answer:

2 over 3

Step-by-step explanation:

none of the options match the value of x

Answer:

"9 more than A" is a verbal expression.

The statement is incorrect due to the invalid assumption of f(x) = g(x) = 0, and the incorrect application of the comparison test.

The comparison test states that if 0 ≤ f(x) ≤ g(x) and the integral of g(x) dx diverges, then the integral of f(x) dx also diverges. However, the statement assumes that f(x) and g(x) are equal to zero, which means that 0 ≤ f(x) ≤ g(x) is not satisfied.

Additionally, the assumption that g(x) dx diverges does not necessarily imply that f(x) dx also diverges. For example, let g(x) = 1/x^2 and f(x) = 0 for all x. Then g(x) dx diverges, but f(x) dx converges to zero.

In conclusion, the statement is incorrect due to the invalid assumption of f(x) = g(x) = 0, and the incorrect application of the comparison test.

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The intensity of the beam 17 feet below the surface is 0.440265 times the initial intensity i0 of the incident beam is I(17) ≈ 0.002678.

It can be calculated as:

Let I(t) be the intensity of the beam at a depth of t feet below the surface, and

let k be a constant of proportionality.

Then we have:

[tex]dI/dt = -kI[/tex]

This equation says that the rate of change of intensity with respect to depth is proportional to the intensity itself, and the negative sign indicates that intensity decreases as depth increases.

We can solve this differential equation using separation of variables:

[tex]dI/I = -k dt[/tex]

[tex]\int\ dI/I = \int\ -k dt[/tex]

[tex]ln(I) = -kt + C[/tex]

[tex]I = e^{(C - kt)}[/tex]

where C is the constant of integration.

Now we can use the given information to find the value of k and the constant of integration C.

We know that at a depth of 3 feet below the surface, the intensity is 25% of the initial intensity i0:

[tex]I(3) = 0.25 i0[/tex]

[tex]e^{(C - 3k)} = 0.25 i0[/tex]

We also know that the depth at which we want to find the intensity is 17 feet below the surface:

t = 17

Now we can use the equation we derived earlier to find the intensity at a depth of 17 feet:

[tex]I(17) = e^{(C - 17k)}[/tex]

To find the constant of integration C and the constant of proportionality k, we can use the fact that we have two equations with two unknowns. First, we can solve the equation for C:

[tex]e^{(C - 3k)} = 0.25 i0[/tex]

[tex]C - 3k = ln{(0.25 i0)}[/tex]

[tex]C = ln{(0.25 i0)} + 3k[/tex]

Now we can substitute this expression for C into the equation for I(17):

[tex]I(17) = e^{(C - 17k)}[/tex]

[tex]I(17) = e^{(ln(0.25 i0) + 3k - 17k)}[/tex]

[tex]I(17) = e^{(ln(0.25 i0) - 14k)}[/tex]

Finally, we can solve for k using the fact that we know the intensity decreases by a factor of 0.25 when the depth increases from 0 to 3 feet:

[tex]dI/dt = -kI[/tex]

[tex]ln(I) = -kt + C[/tex]

[tex]I(3) = 0.25 i0[/tex]

[tex]e^{(C - 3k)} = 0.25 i0[/tex]

Taking the natural logarithm of both sides, we have:

[tex]C - 3k = ln{(0.25 i0)}[/tex]

Substituting the expression for C we derived earlier, we have:

[tex]ln{(0.25 i0)} + 3k - 3k = ln{(0.25 i0)}[/tex]

[tex]ln{(0.25 i0)} = ln{(0.25 i0)}[/tex]

This equation is true for all values of k, so we can choose any value for k that satisfies the differential equation.

For simplicity, we can choose[tex]k = ln(4)/3[/tex], which makes the constant of proportionality equal to[tex]-ln(4)/3.[/tex]

Now we can substitute this value of k into our expression for I(17) and simplify:

[tex]I(17) = e^{(ln(0.25 i0) - 14k)}[/tex]

[tex]I(17) = e^{(ln(0.25 i0) - 14ln(4)/3)}[/tex]

[tex]I(17) = 0.25 i0 e^{(-14ln(4)/3)}[/tex]

[tex]I(17) \approx 0.002678[/tex]

The intensity of the beam 17 feet below the surface is approximately 0.002678.

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Answer:

circumference=50.24

Step-by-step explanation:

c=2x3.14xr

c=2x3.14x(8)

c=50.24

Answer: 54 square in

Step-by-step explanation:

I don't know if this is the same person but I answered this same question just now please check my profile or comment if you want the explanation

Answer: Exactly 26 of them are are home owners

Step-by-step explanation:

The value οf x accοrding tο the circle and the tangent figure is 13 cm.

A tangent οn any curve is an extended straight line that tοuches οnly a single pοint οf the curve and nοwhere else

Tangent οn a circle is always perpendicular tο the radius οf the circle

Here, we have 2 tangents A (x) and B (13) subtended frοm twο pοints οf the same circle.

The Tangent οn a circle is perpendicular tο the radius thrοugh the pοint οf cοntact and thus the triangle fοrmed in the figure is right-angled.

Sο, frοm a pοint οutside the circle, if 2 tangents are drawn, bοth will have the same length tο the pοint οf cοntact οn the circle.

Here, the twο tangents have the same exteriοr pοint where the tangent initiates. Thus, frοm the abοve theοry, x = 13 cm.

Hence, the length οf the οther tangent tο the circle pοint οf cοntact i.e. x is 13 cm.

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Answer: 13

Step-by-step explanation:

x is congruent to 13

The area of the triangle, A(x), can be expressed as A(x) = (x * sqrt(3x^2/4))/2 and the height of the triangle, h, can be expressed as h = sqrt(3x^2/4) in terms of the base.

The landowner wishes to use 3 miles of fencing to enclose an isosceles triangular region of as large an area as possible. Let x be the length of the base of the triangle.The length of the base of the triangle is x miles, while the length of the other two equal-length sides are 2x miles each. Thus, the total length of the three sides of the triangle is 3x miles, which equals 3 miles of fencing as required.

To find the area of the triangle, we must first calculate the height of the triangle. Using the Pythagorean Theorem, we can calculate the height of the triangle in terms of the base. The formula is h^2 = (2x)^2 - (x/2)^2. Thus, the height of the triangle, h, can be expressed as h = sqrt(3x^2/4).The area of the triangle is equal to the base multiplied by the height and divided by two. Thus, the area of the triangle, A(x), can be expressed as A(x) = (x * sqrt(3x^2/4))/2.

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Using the empirical rule, the percentage of the students have grade point averages that are between 1.42 and 3.7 is 99.7%

The empirical rule states that for a bell-shaped distribution, the percentage of data that lie within a specified number of standard deviations from the mean is as follows: 68% of the data lie within 1 standard deviation of the mean. 95% of the data lie within 2 standard deviations of the mean

99.7% of the data lie within 3 standard deviations of the mean. Mean = 2.56Standard Deviation = 0.38We want to know what percentage of students have a grade point average between 1.42 and 3.7. To do this, we need to convert 1.42 and 3.7 into standard deviations away from the mean.

Using the z-score formula:(1.42-2.56)/0.38 = -2.99 and(3.7-2.56)/0.38 = 3.00This tells us that a grade point average of 1.42 is about 2.99 standard deviations below the mean, and a grade point average of 3.7 is about 3 standard deviations above the mean.

Using the empirical rule, we know that 99.7% of the data lies within 3 standard deviations of the mean. So the percentage of students that have a grade point average between 1.42 and 3.7 is approximately 99.7%.Thus, the correct answer is 99.7%.

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The directional derivative of the function at the given point P in the direction of the given vector is:

(8/21)√(2).

The directional derivative of a function in the direction of a unit vector is the rate at which the function changes in that direction.

To compute the directional derivative of f(x, y) = ln(5 + 3x^2 + 2y^2) at the point P(2, -1) in the direction of the vector ⟨1, 1⟩, we need to:

1) ∇f(x, y) = (6x / (5 + 3x^2 + 2y^2), 4y / (5 + 3x^2 + 2y^2))

Therefore, the gradient of f at P(2, -1) is:

∇f(2, -1) = (24/21, -4/21)

2) To obtain a unit vector in the direction of ⟨1, 1⟩, we need to divide it by its length:

||⟨1, 1⟩|| = √(1^2 + 1^2) = sqrt(2)

Therefore, a unit vector in the direction of ⟨1, 1⟩ is given by:

u = ⟨1, 1⟩ / √2) = ⟨√(2)/2, √(2)/2⟩

3) The directional derivative of f at P in the direction of u is given by:

D_uf(2, -1) = ∇f(2, -1) · u

where "·" denotes the dot product. Substituting the values for ∇f(2, -1) and u, we get:

D_uf(2, -1) = (24/21, -4/21) · (√(2)/2, √(2)/2)

= (24/21)(√(2)/2) + (-4/21)(√(2)/2)

= (8/21)√(2)

Therefore, the directional derivative of f(x, y) at P(2, -1) in the direction of ⟨1, 1⟩ is (8/21)√(2).

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Therefore, 6.1 pounds are the weight that corresponds to the 28th percentile.

In statistics, a percentile is a metric that shows the value below which a specific percentage of observations in a group fell. It is frequently used to evaluate an individual's or a group's performance in relation to a specific metric against a broader population. A dataset's 75th percentile, for instance, is the number below which 75% of the observations fall and above which the remaining 25% of observations fall.

given

These procedures must be taken in order to determine the weight that corresponds to the 28th percentile:

5.7, 5.8, 6.0, 6.1, 6.2, 6.4, 8.0, 8.6, 9.1, 9.1, 9.3, 9.5 are the weights to order in ascending sequence.

Determine the 28th percentile's rank:

28th percentage = 28/100 x 13 = 3.64 (rounded up to 4)

Identify the 6.1-pound weight at the fourth level.

Therefore, 6.1 pounds are the weight that corresponds to the 28th percentile.

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The total number of ways of selecting the committee is, therefore,40 x 39 x 38 x 37= 7,903,040

A class of 40 students select a committee from the class that consists of a president, a vice president, a treasurer, and a secretary in the following way:Step-by-step explanation:The number of ways that a class of 40 students can choose a committee consisting of a president, vice president, treasurer, and a secretary can be found by using the permutation formula.If we assume that the positions of the committee members are different, the number of ways can be calculated as follows:The number of ways of selecting the president from 40 students is 40.The number of ways of selecting the vice president from the remaining 39 students is 39.The number of ways of selecting the treasurer from the remaining 38 students is 38.The number of ways of selecting the secretary from the remaining 37 students is 37.The total number of ways of selecting the committee is, therefore,40 x 39 x 38 x 37= 7,903,040Thus, secretary.

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Answer: 0.4

Step-by-step explanation:

I genuinly cant be asked to explain.

Answer:

(c) is correct.

Step-by-step explanation:

(c) 9 + 2(4) = 9 + 8 = 17

The values of x such that the graph of f has a horizontal tangent are;x = 2π/3 + 2πn, 4π/3 + 2πn, where n is an integer.

1. The given derivative can be found by finding the first few derivatives and observing the pattern that occurs as shown below;Differentiating sin x with respect to x gives the derivative cos x. Continuing this process, the pattern that emerges is that sin x changes sign for every odd derivative, and stays the same for every even derivative. Therefore the 115th derivative of sin x can be expressed as follows;(d115/dx115)(sin x) = sin x, for n = 58 (where n is an even number)2. To find the values of x such that the graph of f has a horizontal tangent, we differentiate f with respect to x, and then solve for x such that the derivative equals zero. We have;f(x) = x + 2sin xDifferentiating f(x) with respect to x gives;f'(x) = 1 + 2cos xFor a horizontal tangent, f'(x) = 0, thus;1 + 2cos x = 02cos x = -1cos x = -1/2The solutions of the equation cos x = -1/2 are;x = 2π/3 + 2πn or x = 4π/3 + 2πnwhere n is an integer. Therefore the values of x such that the graph of f has a horizontal tangent are;x = 2π/3 + 2πn, 4π/3 + 2πn, where n is an integer.

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A  total of 750 people visited the natural history museum on Friday night.

The total number of people who visited the natural history museum on Friday night can be calculated by dividing the number of people who saw the dinosaur exhibit (165) by the percentage of visitors who saw the exhibit (22%).

To do this, we can use the following formula:

Total number of visitors = Number of visitors who saw the exhibit ÷ Percentage of visitors who saw the exhibit

Substituting the given values, we get:

Total number of visitors = 165 ÷ 0.22 = 750

Therefore, a total of 750 people visited the natural history museum on Friday night.

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In the following question, among the given options, Option (b) "Parabola B is wider than Parabola A" and option (d) "The line of symmetry of Parabola A is to the left of that of Parabola B" are the true statements.

The following statements are true about the parabolas: c. the parabolas have the same line of symmetry, and d. the line of symmetry of parabola A is to the right of that of parabola B.

Parabola A and Parabola B have the x-axis as the directrix, with the focus of Parabola A at (3,2) and the focus of Parabola B at (5,4). As the focus of Parabola A is to the left of the focus of Parabola B, the line of symmetry for Parabola A is to the right of the line of symmetry of Parabola B.

Parabola A and Parabola B may have different widths, depending on their equation, but this cannot be determined from the information given.

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last one is the answer

Step-by-step explanation:

not a function because every input has more than 1 output

The speed of car is found as : 1 of 1140 miles per minutes.

The total number of miles the car will travel in 20 minutes is: 1 / 50 miles.

The same attribute is expressed using a unit conversion, but in a diverse unit of measurement.

For e.g., time can be highlighted in minutes rather than hours, and distance can be verbalized in kilometers, feet, or another comparable measurement unit instead of miles.

Speed of car =  3 of 57 miles per hour.

Speed of car =  3 mi / 57 hr

We know, 1 hour = 60 minutes;

So,

Speed of car =  3 mi / 57*60 min

Speed of car =  1 mi / 57*20 min

Speed of car =  1 mi / 1140 min

Thus, the speed of car is found as : 1 of 1140 miles per minutes.

In 20 minute:

Number of miles = 1 mi / 1140 min * 20 min

Number of miles = 20 / 1140 min

Number of miles = 1 / 50 miles

Thus, the total number of miles the car will travel in 20 minutes is: 1 / 50 miles.

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Area (ABC) is measured as Area (PQR), which equals 16:25.

To locate,

Area (ABC) is measured as: (PQR).

Solution,

This mathematical issue can easily resolved by utilising the procedure outlined below:

According to the "Area of Similar Triangles Theorem" in mathematics,

When two triangles are similar, their area ratios are proportional to the square of the ratio of the respective sides.

{Statement-1}

In light of the query and assertion 1, we can state,

Area (ABC) is measured as: (PQR)

= (AB: PQ), (BC: QR), and (AC: PR)

= (4:5)2 = (4/5)2

= 16/25 = 16:25

As a result, Area (ABC): Area (PQR) is measured at 16:25.

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