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mina [271]
3 years ago
5

What is the approximate surface area of a sphere with a circumference of 37.68

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
6 0
We must find the radius so we can plug this into the formula for surface area. 

Circumference = 2 \pi r
37.68 = 2 \pi r \\ r = 37.68/2 \pi

We are going to plug this in as our radius for the most accurate answer. 

The surface area of a sphere is 4 \pi  r^{2}

Surface Area = 4 \pi  ( \frac{37.68}{2 \pi }) ^{2} ≈ 451.93 units
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5. Find the value of y.<br> m21 = 2y + 8<br> 46<br> 41<br> 47<br> 36
Irina-Kira [14]

Answer:

idrk tbh

Step-by-step explanation:

sorry for not being any help ;))

<h2><u /></h2>
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3 years ago
Siri, who is not yet 22 years old, is five years older than Lily. Write and solve an
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Step-by-step explanation:

8 0
3 years ago
Combine and Simplify:<br> 48 (1/4x - 1/3y - 2/6x - 3/8y - 2/3<br> WRITE 2 WAYS!
Bezzdna [24]

Answer:

Combining and simplifying 48(\frac{1}{4}x-\frac{1}{3}y-\frac{2}{6}x-\frac{3}{8}y-\frac{2}{3}) we get  \mathbf{-4x-34y-32} or we can write as \mathbf{48(\frac{-x}{12} -\frac{17y}{24}- \frac{2}{3})}

Step-by-step explanation:

We need to combine and simplify

48(\frac{1}{4}x-\frac{1}{3}y-\frac{2}{6}x-\frac{3}{8}y-\frac{2}{3})

First we will combine like terms and then perform the mathematical operations like addition or subtraction.

<u>Like terms</u>: terms having same variable

48(\frac{1}{4}x-\frac{2}{6}x-\frac{1}{3}y-\frac{3}{8}y-\frac{2}{3})

Now we take LCM of like terms

=48(\frac{1}{4}x-\frac{2}{6}x-\frac{1}{3}y-\frac{3}{8}y-\frac{2}{3})\\=48(\frac{x*3-2x*2}{12} +\frac{-y*8-3y*3}{24}- \frac{2}{3})\\=48(\frac{3x-4x}{12} +\frac{-8y-9y}{24}- \frac{2}{3})\\=48(\frac{-x}{12} +\frac{-17y}{24}- \frac{2}{3})\\=48(\frac{-x}{12} -\frac{17y}{24}- \frac{2}{3})

Now, we can multiply 48 with terms inside the bracket.

we can simplify the terms if they are both divisible by same number.

=48(\frac{-x}{12} -\frac{17y}{24}- \frac{2}{3})\\=48(\frac{-x}{12} )-48(\frac{17y}{24})-48(\frac{2}{3}))\\=-4x-34y-32

So, Combining and simplifying 48(\frac{1}{4}x-\frac{1}{3}y-\frac{2}{6}x-\frac{3}{8}y-\frac{2}{3}) we get  \mathbf{-4x-34y-32} or we can write as \mathbf{48(\frac{-x}{12} -\frac{17y}{24}- \frac{2}{3})}

6 0
3 years ago
Use the distributive property to simplify the expression 11 (x-5)
olga_2 [115]
The distributive property, in this case, is to multiply the number outside the parenthesis by the numbers and characters inside the parenthesis:


11 (x - 5)
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Hope it helped,

Happy homework/ study/ exam!

4 0
4 years ago
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