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Keith_Richards [23]
2 years ago
15

Which of the following values for m proves that 2m + 2m is not equivalent to 4m2?

Mathematics
2 answers:
Mashutka [201]2 years ago
6 0
M=0 i am not sure it is right 
max2010maxim [7]2 years ago
4 0

When m=0 ,

2m+2m=2(0)+2(0)= 0

4m^{2}.=4(0^{2})=0

When m=1 ,

2m+2m=2(1)+2(1)=2+2=4.

4m^{2}. =4(1)^{2}.=4.

When m=2

2m+2m=2(2)+2(2)=4+4=8.

4m^{2}.=4(2)^{2}.=4(4)=16.

Both expressions are not equivalent when m=2.

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Step-by-step explanation: for example

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Step-by-step explanation:

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Step-by-step explanation: When we have this kind of a setup, we want to put our variables together on one side of the equation and our numbers together on the other side of the equation.

First, let's put our variables on the right side by subtracting 3r from both sides of the equation. That gives us 5 = 2r - 19.

Now we can move our numbers to the left by adding 19 to both sides of the equation and we get 24 = 2r.

Divide both sides by 2 and 12 = r

Note:

Don't just do this problem in your head. It's extremely important to develop the habit of putting all your steps down on paper or digitally. It will really pay off for you down the line.

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Step-by-step explanation:

4 0
2 years ago
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What is the constant of proportionality in the equation?
IrinaVladis [17]

Answer:

The constant of proportionality is option D i.e 5.

Step-by-step explanation:

Variation:

Variation problems involve fairly simple relationships or formulas, involving one variable being equal to one term. There are two types of variation i.e.

  1. Direct variation
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Direct Variation:

Mathematical relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other.

Example y=kx

where, k  is constant of proportionality.

The above given example is of Direct Variation

∴ y = 5 x

∴ k = 5 = constant of proportionality.

Inverse Variation:

Mathematical relationship between two variables which can be expressed by an equation in which the product of two variables is equal to a constant.

Example yx=k

where, k  is constant of proportionality.

5 0
3 years ago
Read 2 more answers
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