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Fudgin [204]
3 years ago
10

A circle has a radius of 4 ft. What is the area of the sector formed by a central angle measuring 3π2 radians? Use 3.14 for pi.

Enter your answer as a decimal in the box.
Mathematics
2 answers:
Vikki [24]3 years ago
5 0

Answer:

The answer is 37.68 I just took the test.

aev [14]3 years ago
5 0

Answer:

Area of the sector =  (  (\frac{3\pi}{2})/2   )*(4)^2   =  12\pi   = 37.699

Step-by-step explanation:

Remember that the formula for the area of a circular sector is given by

Area of a circular sector =       \frac{\theta}{2} r^2

Where     \theta      is the angle measures in radians, and    r    is the radius of the circle.

For our problem  

                       \theta = \frac{3\pi}{2}

                       r = 4

Therefore        Area of the sector =  (  (\frac{3\pi}{2})/2   )*(4)^2   =  12\pi   = 37.699

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Debora [2.8K]

Answer:

The slope of f(x) is -2/2 and the slope of g(x) is 0. When the line it's horizontal and not an increasing or decreasing line, the slope it's always 0. The greatest slope is of the f(x) function because the slope is not equal to 0.

5 0
3 years ago
A diamond today cost ten dollars more than twice what it cost last year.The sum of the cost (last year and this year) is $2500.
nadya68 [22]

Answer:

The cost of the diamond last year is x = $ 830

Step-by-step explanation:

Let the cost of diamond last year = x

the cost of diamond present year = y

Given that diamond today cost ten dollars more than twice what it cost last year.

⇒ y = 2 x + 10  ------ (1)

The sum of the cost (last year and this year) is  = $ 2500

⇒ x + y = $ 2500 -------- (2)

Put the value of y in equation (2) from equation (1), we get

⇒ 2 x + 10 + x = $ 2500

⇒ 3 x = 2490

⇒ x = $ 830

& y = 2500 - 830

⇒ y = $ 1670

Therefore the cost of the diamond last year is x = $ 830

6 0
3 years ago
Solve each equation for the missing variable. If your answer is not an integer, write it as an improper fraction.
FromTheMoon [43]

First example:

Subtract the 8n on both sides to get the variable on one side of the equation. Do the same for the regular numbers. Then divide by -3.

5n-14=8n+4\\ \\ 5n-8n=4+14 \\ \\ -3n=18\\ \\ n=-6

This should be your final answer.

Second Example:

Do the same thing as explained in Example 1. Here's some work to help guide you.

-15 - 5a + 4 = -2 + 30a + 26\\ \\ -5a-30a=-2+26+15\\ \\ -35a=39\\ \\ a = \frac{39}{-35}

That should be your final answer here.

Third Example:

3 - 9x = -8x + 25\\ \\ -9x+8x=25-3\\ \\ -x=22\\ \\ x=-22

Hope this helps and its understandable! Let me know if you still don't understand.

4 0
3 years ago
Read 2 more answers
The circumference of a circle is 18 feet. What is the area
7nadin3 [17]

Answer:

18

Step-by-step explanation:

it does not have an area its an circle so it just 18 feet

really want a crown

8 0
3 years ago
Read 2 more answers
Determine the slope intercept form of the equation of the line parrell to y=-4/3x+11
olasank [31]
M = -4/3 (slope stays the same)
so y= -4/3x + b
b = y intercept
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7 0
3 years ago
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