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Alex787 [66]
4 years ago
10

I need the answers for those IMMEDIATELY ! Thank you!

Mathematics
1 answer:
Soloha48 [4]4 years ago
4 0

Answer:

Hope this helped.

Step-by-step explanation:

2:x=2y+20  y=1/2x-10

4:x=4/5y+15/5 y=5/4x-4

6:x=-2y+10  y=-1/2x+5

8:x=-7/3y+100/3  y=-3/7x+100/7

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%20%2B%204%7D%7B3%7D%20%20%3D%206" id="TexFormula1" title=" \frac{x + 4}{3} = 6
Gwar [14]
Multiply both sides by 3 to cancel out the 3 in the denominator of the left side of the equal sign. You get:

x + 4 = 18

Now subtract 4 from both sides to get variables one side, constants on the other. 

x = 18 - 4
x = 14

Your answer is x = 14
8 0
4 years ago
What is 9X^2-67+28/X-7=
Dmitriy789 [7]

Answer:

9x^3-74x+28

      X

Step-by-step explanation:

USED PHOTOMATH BTW. DUNNO IF ITS RIGHT OR WRONG.

7 0
3 years ago
Read 2 more answers
A scale model of a building is 2 inches tall. If the building is 50 feet tall, find the scale of the model.
Vladimir79 [104]
Divide both by 2:

2/2= 1

50/2= 25

1:25 would be the ratio, or "A".

I hope this helped!
6 0
4 years ago
Adam earned 2 points in the first round of competition. In the second round, he earned 7 points. In the final round, he earned 9
Softa [21]
He earned 18 points in all
6 0
3 years ago
4 ounces is grater or lees than 80 grams
Karo-lina-s [1.5K]
Well then the answer is
80 grams

8 0
3 years ago
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