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3 years ago

What is the area of the circle. Explain your work.

Mathematics

1 answer:

Mama L [17]3 years ago

8 0

78.5m

Step-by-step explanation:

we know the diameter so now we need to know the radius. Divide by 2 and we get 5.

A = Pi×r²

A = Pi×25

A = 78.5

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Evaluate the expression for x=5, y=-3 and z=7 * 7 – 3y – 3z

kobusy [5.1K]

Answer:

-5

Step-by-step explanation:

i tried my best but this is the result

7 0

3 years ago

PLEASE HELP ME IN GEOMETRY!!!

puteri [66]

Answer:

7.20

Step-by-step explanation:

triangle is right triangle so other leg of first is 12

5 x 3/5 = 5, so

do 12 x 3/5 to get 7.20

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3 years ago

How many solutions does s^2 -35=-35 have

Alexandra [31]

Answer:

1 solution

Step-by-step explanation:

s² - 35 = -35

Add 35 to both sides: s² = 0

s can only be 0, and 0 has no positives nor negatives, so one number.

4 0

3 years ago

Read 2 more answers

PLEASE HELP, algebra 1

maxonik [38]

The equation for the quadratic variation is:
y = kx^2
Plug in x and y values to solve for 'k'
32 = k(2^2)
32 = 4k
k = 32/4 = 8

4 0

4 years ago

Pls help i forgot how to do this :)

Delvig [45]

Answer:

in picture

Step-by-step explanation:

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7 0

2 years ago