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algol13
3 years ago
11

Kyle is making a frame for a rectangular piece of art. The length of the frame is 3 times the width, as shown below.

Mathematics
1 answer:
NeX [460]3 years ago
5 0

Answer:

3.75 feet

Step-by-step explanation:

The length of the frame is 3 times the width.

Let the width be x.

The length will be 3x.

Kyle uses 10 feet of wood to make the frame. This means that the perimeter is 10 feet.

The perimeter of a rectangle is:

P = 2(L + W)

=> 10 = 2(3x + x)

=> 10/2 = 4x

5 = 4x

=> x = 5/4 = 1.25 feet

The width is 1.25 feet. The length is therefore:

1.25 * 3 = 3.75 feet

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Answer:

B

Step-by-step explanation:

3 0
3 years ago
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1. 72% of the students in Math 6 at AZVA are currently passing mastering their lessons. If 324 students are currently mastering
Alexeev081 [22]

Answer:

<u>1. a. 72/100 = 324/x</u>

<u>72x = 32,400</u>

<u>b. 450 students are in Math 6</u>

<u>2. a. o = 3b</u>

<u>b. o = 3 pounds</u>

<u>3. a. Most popular animals:</u>

<u>A. Dogs - 67%</u>

<u>B. Cats - 20%</u>

<u>C. Other - 8%</u>

<u>D. None - 4%</u>

<u>E. Horses - 1%</u>

<u>b.  20 students</u>

<u>c. If 75 students have cats, the estimate of 250 students isn't correct.</u>

<u>The actual number of students interviewed is 375.</u>

Step-by-step explanation:

1. a. Let's use the following equation to solve the question:

x = Students that are in Math 6

72/100 = 324/x

72 * x = 324 * 100

72x = 32,400

b. Let's solve the equation, as follows:

x = 32,400/72

x = 450

<u>450 students are in Math 6</u>

2. a. The equation is:

o = 0.15 *20b

<u>o = 3b</u>

where, o = weight of oats in pounds and b = number of dog food bags

b. Let's find out the weight of the oats in one dog food bag, using our equation:

o = 0.15 *20b

o = 0.15 *20 * 1

<u>o = 3 pounds</u>

3. a. Most popular animals:

A. Dogs - 67%

B. Cats - 20%

C. Other - 8%

D. None - 4%

E. Horses - 1%

b. If 250 students were interviewed, the 8% who answered "other" are:

8% of 250 = 0.08 * 250 = <u>20 students</u>

c. If 75 students have cats, the estimate of 250 students isn't correct.

The 20% of 250 is 50, not 75.

0.2 * 250 = 50

The actual number of students interviewed is:

x = Actual number of students interviewed

75/x = 20/100

20x = 7,500

x = 7,500/20

x = 375

<u>The actual number of students interviewed is 375.</u>

3 0
3 years ago
Which equation represents an exponential function that passes through the point (2, 80)?
Fudgin [204]

The function f(x) = 5(x)⁴, and f(x) = 5(4)ˣ represents the function that passes through the point (2, 80) option second and fourth are correct.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have; an exponential function that passes through the point (2, 80).

f(x) = 4(x)⁵

Plug (2, 80) in the abovew function:

f(2) = 4(2)⁵ = 128 (false)

f(x) = 5(x)⁴

Plug (2, 80) in the abovew function:

f(2) = 5(2)⁴ = 80 (true)

f(x) = 4(5)ˣ

f(2) = 4(5)² = 100 (false)

f(x) = 5(4)ˣ

f(2) = 5(4)² = 80 (true)

Thus, the function f(x) = 5(x)⁴, and f(x) = 5(4)ˣ represents the function that passes through the point (2, 80) option second and fourth are correct.

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

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2 years ago
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Answer:

37

Step-by-step explanation:

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