3 years ago

Please help, what is the answer

Mathematics

1 answer:

Advocard [28]3 years ago

8 0

415.4 is the sector area

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I need your help please!!!

Rina8888 [55]

In order to find the area of the semicircle, or the shaded region, we just have to find the area of the entire circle and divide it by 2. The formula for the area of a circle is $\pi r^{2}$ . With the given diameter of 12, we can deduce that the radius is 6.

Area of Semicircle = ( $\pi 6^{2}$ /2)
Area of Semicircle = (3.14 x 36/2)
Area of Semicircle = (3.14 x 18)
Area of Semicircle = 56.52 $in.^{2}$

Hope this helps!

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2 years ago

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Margaret and Donovan are twins. They have each kept track of their heights every year since they were 5.

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2 years ago

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Solve the equation 1/4 x + 2 = 6

loris [4]

Answer:

x = 16

Step-by-step explanation:

Step 1: Subtract 2 from both sides.

$\frac{1}{4}x + 2 = 6$
$\frac{1}{4}x+2-2=6-2$
$\frac{1}{4}x=4$

Step 2: Multiply each side by 4 in order to isolate x.

$\frac{1}{4}x * 4 = 4 * 4$
$x = 16$

Therefore, x = 6.

Hope you have a lovely rest of your day/night.

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2 years ago

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31% of U.S. adults say they are more likely to make purchases during a sales tax holiday. You randomly select 10 adults. Find th

eimsori [14]

Answer:

a) 0.222

b) 0.643

c) 0.811

Step-by-step explanation:

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2 years ago

Please help with all three .

Neko [114]

A) Negative. A is now a negative # (the - sign explains) a negative - a nagative will be positive

B) Positive. Two negatives make a positive.

C) Negative. A Negative # decreased is still a negative number, just more negative!!!

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2 years ago

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