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Bingel [31]
2 years ago
11

How many ways can 8 students sit in a round table with 8 chairs if...

Mathematics
1 answer:
Marrrta [24]2 years ago
8 0

Answer:

a.

Step-by-step explanation:

there a hundread of times because 8 students 8 chairs they can do what set do want to do.

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I need help with number 4 and number 3 please
dangina [55]
For Question 3, 
15      ?
__ = ____
120     100

120?=1500
1500/120=12.5

?=12.5%

Question 4

I think it is $462.80


5 0
3 years ago
2 x<br>— = -----<br>7 x + 10<br><br>x = ???​
valentina_108 [34]

9514 1404 393

Answer:

  x = 4

Step-by-step explanation:

Maybe you want to find x such that ...

  2/7 = x/(x +10)

  2(x +10) = 7x . . . . . . multiply by 7(x+10)

  20 = 5x . . . . . . . . . . subtract 2x, simplify

  4 = x . . . . . . . . . . . . divide by 5

_____

<em>Additional comment</em>

You can almost solve this "by inspection" if you recognize the difference of the denominator and numerator is 5 on the left and 10 on the right. If you multiply the fraction on the left by 2/2, you get 4/14, the values in x/(x+10) in the fraction on the right.

6 0
2 years ago
What is the y- intercept of the line shown?
timofeeve [1]
Y-intercept when x = 0
so 
y = 4
8 0
2 years ago
DUE TOMORROW GIVING BRAINLIEST!
Stells [14]

Answer:

I gotcha.

Step-by-step explanation:

Condensation - water which collects as droplets on a cold surface when humid air is in contact with it.

Pressure - continuous physical force exerted on or against an object by something in contact with it.

Temperature - the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.

Thermal energy - (also called heat energy) is produced when a rise in temperature causes atoms and molecules to move faster and collide with each other. The energy that comes from the temperature of the heated substance is called thermal energy.

<h2>there</h2>
6 0
3 years ago
Read 2 more answers
Simplify. Your answer should contain only positive<br> exponents.<br> -2^х
polet [3.4K]

Answer: I'm not entirely sure, but maybe 1/x^2?

8 0
3 years ago
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