3 years ago

Do you guys now this

Mathematics

1 answer:

seropon [69]3 years ago

3 0

Answer:

It would be C because that is what you get when you distribute the 7.

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Step 1 5x- y= 4

valkas [14]

Answer: C, In Step 2 the expression for y should be subsituted in the other equation.

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3 years ago

Answer plsss as soon as possible

shtirl [24]

Answer:

Step-by-step explanation:

both angles must add up to 180 so

6x+12+3x+63 must =180

= 9x+75

9x+75=180

-75 -75

9x=105

x=11.66

meaning A is approximately 81.96

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2 years ago

A classroom has 2 bookcases that weigh 117 pounds altogether. If they all weigh the same amount, how much does each bookcase wei

Lapatulllka [165]

Answer:

58.5 pounds each.

Step-by-step explanation:

If two bookcases weigh 117 pounds and each weighs the same amount, each bookcase must weigh half of the total weight. 117/2 equals 58.5.

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3 years ago

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2/3b 6+7=-1 What is the value of b?

ZanzabumX [31]

Answer:

i dont know sorry

Step-by-step explanation:

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3 years ago

What is the slope of the line in the graph? 4th possible answer is 4/3 ---- بنام

Delvig [45]

Answer: Second option.

Step-by-step explanation:

The slope of a line can be calculated with this formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

Then, you need to choose two points of the line shown in the graph and substitute them into the formula for calculate the slope:

Let's pick the points (-4,4) and (4,-2).

Substituting:

$m=\frac{-2-4}{4-(-4)}$

Simplifiying, you get that the slope of the line in the graph is:

$m=\frac{-2-4}{4-(-4)}\\\\m=\frac{-6}{4+4}\\\\m=\frac{-6}{8}\\\\m=-\frac{3}{4}$

6 0

4 years ago