Write an expression equivalent to m + m + m + m that is a product of a coefficient and a variable.

Mathematics

2 answers:

Romashka [77]2 years ago

6 0

Answer:

Step-by-step explanation:

It would be 4m as there are four different copies and the variable being used originally is 'm'. Therefore, we can move it around and since multilication is d addtiion, we would correct this to 4m.

Oksana_A [137]2 years ago

5 0

Answer:

Step-by-step explanation:

It would be 4m as there are four different copies and the variable being used originally is 'm'. Therefore, we can move it around and since multilication is d addtiion, we would correct this to 4m.

Step-by-step explanation:

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45 marbles in 9 bags; 150 marbles in 36 bags<br> is this rate proportional?

stellarik [79]

Answer:

No, the rate is not proportional.

Step-by-step explanation:

If there are 45 marbles in 9 bags, we can assume that there are 5 marbles in each bag.

Going by that rate, we can do 5 * 36 = 180, NOT 150.

Thus, the rate is not proportional.

Another way to solve would be to do 45/9 and 150/36. If the rate is proportional, the answer for both should be the same.

However, 45/9=5 and 150/36=4.16666666667.

Those two answers are NOT equal.

Thus, the rate is not proportional.

7 0

2 years ago

How do i find the difference between 719 and 225

UkoKoshka [18]

719-225=494
hopes this helps :) :D :)

6 0

3 years ago

Read 2 more answers

150% of what length is 66 cm

svet-max [94.6K]

let's say is "x", thus "x" is the 100%.

we know that 66 is 150%, what is "x"?

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 66&150\\ x&100 \end{array}\implies \cfrac{66}{x}=\cfrac{150}{100}\implies \cfrac{66}{x}=\cfrac{3}{2} \\\\\\ 132=3x\implies \cfrac{132}{3}=x\implies 44=x$