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2 years ago

SOLVE FOR M −4m+7=−5

Mathematics

1 answer:

Masteriza [31]2 years ago

6 0

Answer:

m=3

Step-by-step explanation:

-4m+7= -5

Combine like terms.Put +7 on other side.

-4m= -5-7

-4m= -12

It's -4 times m = -12 right ?

So the answer is m=3 because m= -12/-4

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rodikova [14]

Answer:

113 $m^{2}$

Step-by-step explanation:

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lower rectangle width = 13-8=5. so a = l x w. 7 5 = 35

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2 years ago

What is the expression in factored form?x^2+13x+14

nydimaria [60]

Answer:

$\left(x-\dfrac{-13+\sqrt{113}}{2}\right)\left(x-\dfrac{-13-\sqrt{113}}{2}\right).$

Step-by-step explanation:

To factor the expression $x^2+13x+14$ you need to know its roots.

First find the discriminant of this quadratic polynomial:

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Then the roots of the expression $x^2+13x+14$ are

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Now the factored form is

$\left(x-\dfrac{-13+\sqrt{113}}{2}\right)\left(x-\dfrac{-13-\sqrt{113}}{2}\right).$

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3 years ago

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Answer/Step-by-step explanation:

The value of x can be solved as follows, take note of the numbers you will need to drag to complete the equations:

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3 years ago

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Answer:

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Step-by-step explanation:

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After 3 hours of of driving, Paul had gone 183 miles. What was his average rate of speed? Explain your answer.

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$s(av) = \frac{∆x}{∆t} \\$

$s(av) = average \: \: speed$

$∆x = covered \: \: distance$

$∆t = time \: \: of \: \: the \: \: covered \: \: distance \\$

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$s(av) = \frac{183}{3} \\$

$s(av) = 61 \: \: \frac{mile}{hour}$

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2 years ago