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3 years ago

Evaluate M-9 for m=13

Mathematics

2 answers:

WARRIOR [948]3 years ago

5 0

M-9
13-9=4
Just substitute my dude

worty [1.4K]3 years ago

4 0

The anwser is 13-9=4

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4x+1=9+4y solve for y

koban [17]

Answer:

y = x-2

Step-by-step explanation:

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3 years ago

Refer to the rectangle below. The length of the rectangle is x + 12. The width of the rectangle is x + 3.

Elis [28]

Answer:

$x^2+15x+36$

Step-by-step explanation:

The complete question is shown in the attachment.

The length of the rectangle is x + 12. The width of the rectangle is x + 3.

Recall that area of a rectangle is $Length \times Width$

In terms of x, the area is $(x+12)(x+3)$

Recall the distributive property of real numbers: $(a+b)(c+d)=a(c+d)+b(c+d)$

We apply this property to get:

$(x+12)(x+3)=x(x+3)+12(x+3)$

We expand again to get:

$(x+12)(x+3)=x^2+3x+12x+36$

We now simplify to obtain:

$(x+12)(x+3)=x^2+15x+36$

The area of the rectangle is $x^2+15x+36$

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3 years ago

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Shalnov [3]

Answer:

Step-by-step explanation:

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2 years ago

Ai Mi uses 7 gallons of gas to drive 151.9 miles in her car. Find the rate of change.

Fynjy0 [20]

Answer:

21.7

Step-by-step explanation:

Take 151.9/ 7 and that is your answer. All you have to do is divide.

5 0

2 years ago

Help me solve this problem please

BabaBlast [244]

Answer:

x=-10

Step-by-step explanation:

15-2(x+5)=25

multiply the 2 by the x and 5 and you get

15-2x-10=25

since the 15 and the negative 10 are on the same side you add them together and get

5 -2x= 25

-5 -5

-2x =20

Then divide the -2/20= -10

3 0

3 years ago

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