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PilotLPTM [1.2K]

3 years ago

8

In Mrs Williams's math class, there

1 answer:

crimeas [40]3 years ago

6 0

B. the ratio of girls to boys is 7:5

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Emily measures a prize wheel at a carnival and calculates that it has an area of 3.14 square feet. What is the prize wheel's cir

Marizza181 [45]

The circumference of wheel is 6.28 feet.

Step-by-step explanation:

Given,

Area of prize wheel = 3.14 square feet

Area = πr²

$3.14 = 3.14(r)^2$

Dividing both sides by 3.14

$\frac{3.14}{3.14} = \frac{3.14(r)^2}{3.14}\\1=r^2\\r^2=1\\r=1$

Circumference = 2πr

Circumference of prize wheel = $2*3.14*1\\$

Circumference of prize wheel = 6.28 feet

The circumference of wheel is 6.28 feet.

Keywords: area, circumference

Learn more about circumference at:

#LearnwithBrainly

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3 years ago

What is the standard notation of 2.934x10^8

bogdanovich [222]

Answer:

293,400,000

Step-by-step explanation:

Just move the decimal 8 places to the right --->

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4 years ago