Similar Not Similar Please help please

Mathematics

1 answer:

solong [7]3 years ago

6 0

Answer:

I dont think thats similar

Step-by-step explanation:

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Solve for X 2x-20=30

svetlana [45]

Answer:

x = 25

Step-by-step explanation:

2x-20=30

First, isolate the term with x in it by moving everything else to the other side:

2x = 30 + 20

Simplify like terms:

2x = 50

Further isolate the x by dividing by 2 on both sides:

2x/2 = 50/2

The 2 cancels out on the left, leaving:

x = 25

8 0

4 years ago

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Please help me with this

OleMash [197]

The Anwser Is 0.4 Which Is B

8 0

3 years ago

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Solve the system of linear equations by substitution.<br> 2x=y−10 <br> x+7=y

raketka [301]

This is the solution using substitution. Hope this helps!

5 0

4 years ago

Solve by substitution. <br> 3x-y=5<br> -2x+y=0

Citrus2011 [14]

In order to use substitution, you need to isolate a variable on one of the equations:

-2x+y=0
y=2x

Then you plug that equation into the other equation. Since we isolated y, we plug in 2x for y in the other equation:

3x-(2x)=5
x=5

Then plug the value you found into any equation to solve for the other variable:

3(5)-y=5
15-y=5
-y=-10
y=10

So your answers are x=5, y=10

3 0

3 years ago

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A Boxer. needs to lose 3 1/2 kg in a month to be able to complete as a flyweight. In three weeks he lowers his weight from 55.5

Airida [17]

Answer: The boxer lose 1.8 kg in the final week to get able to compete as a flyweight.

Step-by-step explanation:

Since we have given that

Quantity of weight a boxer needs to lose in a month is given by

$3\frac{1}{2}\ kg\\\\=\frac{7}{2}\ kg=3.5\ kg$