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3 years ago

15

There are 18 students in me.alvarezs art class. Throughout the year every student must pair up with every other student to compl

ete a project. How many projects will be finished?

1 answer:

algol133 years ago

5 0

Answer:

I would say 324(18x18)

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Can somebody help me please?

kati45 [8]

This is easy all you do to find the surface area is to multiply base the number that is across by the height the number that shows the height.The you just multiply those 2 and you got the surface area.For number one the answer is,20.For two the answer is, 6.Need more help ask me under in the comments. If this was helpful please give me brainiest answer. Hope this Helps :D

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3 years ago

Need help on this. I would appreciate it a lot!

umka2103 [35]

Answer: The second answer choice

4 0

3 years ago

The formula to find the period of orbit of a satellite around a planet is T^2=(4pi^2/GM)r^3 where r is the orbit's mean radius,

Natalija [7]

The answer is $r= \sqrt[3]{GMT^{2}/4 \pi^{2}}$

$T^{2} = \frac{4 \pi^{2}}{GM} r^{3}$

Move $\frac{4 \pi^{2} }{GM}$ to the other side of the equation:
$T^{2} /\frac{4 \pi^{2} }{GM} = r^{3} \\ 
T^{2} *\frac{GM}{4 \pi^{2} } = r^{3}$

Rearrange:
$r^{3} = T^{2} *\frac{GM}{4 \pi^{2} } \\ 
r^{3}= \frac{T^{2} *GM}{4 \pi^{2} } \\ 
r^{3}= \frac{GMT^{2}}{4 \pi^{2} } \\ 
r^{3} = GMT^{2}/4 \pi^{2}$

Since $x^{3}= \sqrt[3]{x}$ , then
$r^{3} = GMT^{2}/4 \pi^{2} \\ 
r= \sqrt[3]{GMT^{2}/4 \pi^{2}}$

3 0

4 years ago

Read 2 more answers

Find the range of the data.<br> 73, 69, 78, 68, 70, 86, 80, 72<br> The range is

Fiesta28 [93]

The answer is 18.

Work:
[i]The range is the gap between the smallest value and the largest value. [/i]

The smallest is 68.
The largest is 86.
The gap between them is 86-68=18.

5 0

3 years ago

Read 2 more answers

Simplify the expression below -3(10x + 4y) + 6(6x − 2y)

iren [92.7K]

Answer:

6x - 24y

Explanation:

Expand -3(10x + 4y): -30x - 12y

= $\bold{-30x-12y+6\left(6x-2y\right)}$

Simplify $\bold{-30x-12y+6\left(6x-2y\right): \ 6x-24y}$

= 6x - 24y

Mordancy.

3 0

3 years ago

Read 2 more answers