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ycow [4]
3 years ago
10

Mary has a hula hoop with a radius of 3.5ft. What is the circumference of her hula hoop?

Mathematics
2 answers:
ratelena [41]3 years ago
7 0

Answer:

22

Step-by-step explanation:

C=2πr

C=2*22/7*3.5

C=154/7

C= 22

Luda [366]3 years ago
5 0

Answer:

daddiest

Step-by-step explanation:

do 3.14 times 7

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18

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3 years ago
A certain ceiling is made up of tiles. Every square meter of ceiling requires 10.75 tiles. Fill in the table with the missing va
ANEK [815]

Answer:

See Explanation

Step-by-step explanation:

Given:

See Attachment

Required

Complete the table

From the question, we understand that:

1m^2 = 10.75\ tiles

So:

When square meters = 1

X = 10.75 * 1

X = 10.75

When square meters = 10

X = 10.75 * 10

X = 107.5

Assume any value of square meter for the third row;

Say: square meters = 20

X = 10.75 * 20

X = 215

When square meters = a

X = 10.75 * a

<h2>X = 10.75a</h2>

5 0
3 years ago
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Given the function f (x) = x² + 8x + 7, what are the zeros of f?
lutik1710 [3]

Answer:

x = - 7, x = - 1

Step-by-step explanation:

To find the zeros let f(x) = 0 , that is

x² + 8x + 7 = 0

Consider the factors of the constant term (+ 7) which sum to give the coefficient of the x- term (+ 8)

The factors are + 7 and + 1 , since

7 × 1 = + 7 and 7 + 1 = + 8 , then

x² + 8x + 7 = 0

(x + 7)(x + 1) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 7 = 0 ⇒ x = - 7

x + 1 = 0 ⇒ x = - 1

4 0
3 years ago
Point P is located at (-2, 7), and point R is located at (1.0). Find the y value for the point Q that is located
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3 years ago
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Pls solve this equations asap
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< 2 = 90 - 49 = 41 degrees
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4 years ago
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