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alisha [4.7K]
3 years ago
5

A) Rearrange the following formula to make x the subject.

Mathematics
1 answer:
Tresset [83]3 years ago
3 0

Answer:

x = 13y + 0.625

Step-by-step explanation:

4(2x - 3y) = y + 5

8x - 12y = y + 5

8x = y + 5 + 12y

8x = 5 + 13y

8x ÷ 8 = 5 + 13y ÷ 8

x = 5 + 13y ÷ 8

x= 13y + 5 ÷8

x = 13y + 0.625

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5 0
3 years ago
Solve by substitution y=x+4, y=2x+5
Amiraneli [1.4K]
X+4=2x+5
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4 0
2 years ago
Percy use hose to wash pig sty for 11 minutes. The hose uses 7 liters of water every minute how many liters did percy pig use to
kykrilka [37]

Answer:

Percy used 77 liters to wash

Step-by-step explanation:

This question can be solved using a rule of three.

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6 0
3 years ago
Solve(x+y)^2=(x^2-2xy+y^2) and show your work
Shtirlitz [24]

(x + y)^2 = (x^2 - 2xy + y^2)

First distribute the ^2 on the left side of the equation to each term inside the parenthesis:

x^2+ 2xy + y^2

Now pick one of the variables to solve for and isolate it:

(solving for x)

x^2 + 2xy + y^2 = x^2 - 2xy + y^2

x^2+ 2xy = x^2 - 2xy

2xy = -2xy

-x = x

x = 0

When you solve for y in the equation it will turn out to be 0 as well

7 0
3 years ago
Read 2 more answers
Please help asap there both together
lana66690 [7]

Step 2 , supposed to be 4^-15 instead of 4^-2. Always multiply the exponents together.

Answer: Chris made a mistake in step 2 -C

4 0
3 years ago
Read 2 more answers
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