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tiny-mole [99]
2 years ago
14

Helppppppp meeeeee plzzzz

Mathematics
1 answer:
bulgar [2K]2 years ago
8 0
Non proportional I think. Wait for someone else to answer
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Uhh help lol<br> 5.3x + y = 28.5 <br> 4.2x + 3.1y = 27.2<br> find x and y
navik [9.2K]

Answer:

x = 5, y = 2

Step-by-step explanation:

First, isolate y in the top equation.

y = -5.3x+28.5

Next, substitute y in the bottom equation.

4.2x + 3.1(-5.3x + 28.5) = 27.2

5.3x + y = 28.5

Simplify.

4.2x + -16.43x + 88.35 = 27.2

Combine like terms.

-12.23x + 88.35 = 27.2

Isolate x on one side.

-12.23x = -61.15

Isolate x.

x = 5

Substitute x into 5.3x + y = 28.5

5.3(5) + y = 28.5

Simplify.

26.5 + y = 28.5

Isolate y.

y = 2

x = 5 \\y = 2

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csqrt%7B%5Cfrac%7B36%7D%7B169%7D%7D" id="TexFormula1" title="\sqrt{\frac{36}{169}}" alt="\sq
otez555 [7]

Answer:

0.0355029585799?

Step-by-step explanation:

5 0
2 years ago
Find the slope of (-10,-4) and (5,5)
ValentinkaMS [17]

Answer:

15/9... i believe :)

7 0
2 years ago
Read 2 more answers
Please help ASAP !!!!!
shusha [124]

Answer:

Step-by-step explanation:

c

8 0
3 years ago
Please help! This is i-ready it will probably be easy for you.
Radda [10]

Answer:

3$

Step-by-step explanation:

Your right it is easy 1.50 per pound 1 pound is 16 ounces so to make 32 ounces times it by 2 16 times 2 is 32 you will also times 1.50$ times 2

7 0
2 years ago
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