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3 years ago

Which of the following is equivalent to the expression 6m+3

Mathematics

1 answer:

Lady bird [3.3K]3 years ago

5 0

Answer:

m = -1/2

Step-by-step explanation:

Step 1: Solve for m

6m + 3 - 3 = 0 - 3

6m / 6 = -3 / 6

m = -3/6

m = -1/2

Answer: m = -1/2

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Answer:

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Step-by-step explanation:

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3 years ago

A square serving platter has an area of 124 inches squared. Which is the best estimate of the side length of the platter?

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Step-by-step explanation:

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3 years ago

Find the equation of the line passing through (3,4), (-1,-2).

Kryger [21]

Answer:

(y-(-2))/(x-(-1)= (-2-4)/(-1-3)

(y+2)/(x+1)= (-6)/(-4)

(y+2)/(x+1)= (3/2)

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2 years ago

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2 years ago

If a = 12 and 120% of a is equal to 80\% of bthen what is a + b ?

Novosadov [1.4K]

Answer:

The answer is 30

Step-by-step explanation:

First you have to find 120% of a (12).

$\frac{12}{1} \times \frac{120}{100} = 14.4$

Therefore; 14.4 is 80% of b, and we are trying to find 100% of b

$14.4 = 80\% \\ x = 100\%$

we do not know what is 100% therefore we call it *x*. In order to find this unknown value *x* we cross multiply.

$14.4 \times 100\% = 80\% \times x$

This is the same as saying;

$14.4 \times 1 = x \times \frac{4}{5}$

100% percent would be 1 because it is the whole number we are trying to find. The 80% would be 4/5. To get 4/5 you can simply break down 80/100 ( this is 80% as a fraction).

so the new equation is: 14.4= 4/5x

We divide both sides by 4/5. Then we will get x tobe equal to 18. Therefore b is 18. We were asked to find (a + b) so. 18+12 = 30

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1 year ago