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lys-0071 [83]
3 years ago
7

Use the direction variation equation to solve this?

Mathematics
1 answer:
Volgvan3 years ago
5 0
I have the same thing someone please help us
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-2x + 15y = -24<br><br>2x + 9y = 24<br>​
pashok25 [27]

Answer:

dont know

Step-by-step explanation:

sorry

3 0
3 years ago
At George Washington High School the ratio of graduating seniors that go on to college, as compared to those who do not, is 7 :
wariber [46]
The solution to the problem is as follows:

<span>7(4)/4(4) = 28/16
 
28+16= 44
</span>
Therefore, the size of the graduating class would be 44 students in all.

I hope my answer has come to your help. God bless and have a nice day ahead!
7 0
3 years ago
Which expressions are equivalent to 9x(2+y) ?
OleMash [197]

9x(2+y)

18x+9xy

The answer is A B and C.

5 0
3 years ago
What is an equation that relates weight on earth and weight on the moom
stellarik [79]
W=mg 

<span>Where: </span>

<span>Weight = mass * acceleration due to gravity </span>

<span>So let's say I want to work out my weight on the moon. I know I weigh about 70kg (which would be N), but I can't use that figure for the calculation on the moon. That is what I weigh on Earth, so let's look at the equation... </span>

<span>70kg = mass * 9.81m/s^2 </span>

<span>Where 9.81m/s^2 is the acceleration due to gravity on the surface on the earth. I want to get rid of that, so let's work out my mass by division; </span>

<span>70/9.81 = 7.14kg </span>

<span>I googled the acceleration of gravity on the Moon, which was = 1.6m/s^2 </span>

<span>Let's use that in the same equation W=mg </span>

<span>W = 7.14kg * 1.6m/s^2 = 11.42N

</span><span>On the Moon, you would weigh approximately one sixth of your weight on Earth, so if your bathroom scales tell you you weigh 120 pounds, there you would weigh 20 pounds.
</span>
<span>Moon`s gravitational pull is about one-sixth to the gravitational pull on earth hence weight on moon is about one-sixth of the weight on earth.</span>
8 0
3 years ago
Which of the following ratio is equivalent to 3/16? a. 16:3
Ostrovityanka [42]
If one ratio is equivalent to another, that means that you multiply the top and the bottom on one ratio by a constant to get the larger ratio.  D does that here for us.  We have to multiply 3 by 5 to get to 15, so 16 times 5 better be 80 and it is. 
5 0
3 years ago
Read 2 more answers
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