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zzz [600]
3 years ago
13

Find the circumference of the object. Use 3.14 or 22 for 1. Round to the nearest hundredth, if necessary.

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
5 0

Answer:

9.42 ft

Step-by-step explanation:

We know the diameter is equal to 1.5 ft.

The equation for circumference is 2πr.

Let's insert the numbers we already have.

2(3.14)(1.5)

= 9.42 ft

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Pretest: Unit 5 Question 12 of 21 Use the substitution method to solve the system of equations. Choose the correct ordered pair.
Gala2k [10]

Answer:

(10, - 9 )

Step-by-step explanation:

Given the 2 equations

y = - 2x + 11 → (1)

y = - 3x + 21 → (2)

Substitute y = - 2x + 11 into (2)

- 2x + 11 = - 3x + 21 ( add 3x to both sides )

x + 11 = 21 ( subtract 11 from both sides )

x = 10

Substitute x = 10 into either of the 2 equations and evaluate fir y

Substituting into (1)

y = - 2(10) + 11 = - 20 + 11 = - 9

solution is (10, - 9 )

3 0
3 years ago
During one year, there were 89,790 births in a large metropolitan area. If
klemol [59]

Answer:

249.4

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7 0
3 years ago
A circle's circumference is approximately 44 cm.
Sav [38]
<h3>Answers</h3><h3>diameter = 14</h3><h3>radius = 7</h3><h3>area = 154</h3>

these are all approximate

======================================

Explanation:

C = pi*d is the formula for the circumference. We know that C = 44 approximately, so,

C = pi*d

d = C/pi

d = 44/3.14

d = 14.01 approximately

d = 14 also approximate

take half of this to get the radius

r = d/2 = 14/2 = 7

Then use this radius to find the circle's area

A = pi*r^2

A = 3.14*7^2

A = 153.86

A = 154  rounding to the nearest whole number

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3 years ago
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expeople1 [14]

Answer:

1.2

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

6 0
3 years ago
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