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tekilochka [14]

3 years ago

10

Find the area of the semi circle

2 answers:

Aleonysh [2.5K]3 years ago

4 0

Answer:

76.96902001

Step-by-step explanation:

We know that the area of a circle is $pi * r^2$ so we can take that equation and divide it by two to get your answer. So in this case it would be $\frac{pi*7*2}{2}$ . Hope this helps!

IgorC [24]3 years ago

3 0

76.93 units^2

A=pi r^2
radius is 7 bc 14/2 is 7
A= 3.14 7^2
A= 3.14*49
A=153.86
WE ARE NOT DONE
153.86/2 = 76.93
we divide it in half because a semi circle is half of a circle

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What is 3,000 is ___ times as muchas 30.

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2 years ago

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Marta_Voda [28]

Answer:

Carmen can make $10\frac{5}{16}$ full servings.

Step-by-step explanation:

Given : Carmen mixes $3\frac{1}{2}$ cups of water with $3\frac{3}{8}$ cups of juice to make punch.

Total quantity of punch Carmen made = total cup of water + cup of juice she mixes

Total quantity of punch Carmen made = $3\frac{1}{2}+3\frac{3}{8}$

Solving , we get,

Total quantity of punch Carmen made = $\frac{7}{2}+\frac{27}{8}$

taking LCM(2,8) = 8 , we get,

Total quantity of punch Carmen made = $\frac{28+27}{8}=\frac{55}{8}$

Also, given She pours $\frac{2}{3}$ cup servings of punch.

Thus, $\frac{2}{3}$ cup of mixture makes 1 serving cup.

Using unitary method,

In unitary method we first find the value of a single quantity and then multiply it with the desired quantity.

1 cup of mixture makes $\frac{3}{2}$ serving cup.

$\frac{55}{8}$ cup makes = $\frac{3}{2}\times\frac{55}{8}$

$\frac{55}{8}$ cup makes = $\frac{165}{16}=10\frac{5}{16}$

Thus, She can make $10\frac{5}{16}$ full servings.

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2 years ago