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Evgesh-ka [11]
3 years ago
8

Find the slope given: (3,-10) & (4, -21) m =

Mathematics
1 answer:
sukhopar [10]3 years ago
3 0

Answer:

<em>m = -11</em>

Step-by-step explanation:

First, use the slope format: <em>y2 - y1/x2 - x1</em>

-21 and -10 being y2 & y1, while 4 and 3 being x2 & x1:

-21 - (-10)/4 - 3

(Note: replace - (-10) with + 10 to make it easier)

Subtract -21 and -10, then 4 and 3.

You will get -11/1, which if simplified, is <em>-11</em>

Hope this helps!

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Multi-Step Equation 2: Solve for x. Show your steps.<br> 6 - 5x + 2 = 3x - 12 + 2x
amm1812

Answer:

The answer is x = 8/5

Step-by-step explanation:

6 - 5x + 2 = 3x - 12 + 2x

4 - 5x = 5x - 12

4 = 10x - 12

16 = 10x

8/5 = x

4 0
2 years ago
Find the product. (n + 7)2
nlexa [21]
<span>(x-7)^2 = (x-7)(x-7) = x^2 -7x -7x +49 = x^2-14x+49</span>
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4 0
3 years ago
Need help! With this question! Thank you
slava [35]

Answer:

M = 42

Step-by-step explanation:

Ooo..I'm actually good at these!!

So its simple...All you do is take the equation and divide both sides by 4.5

When we divide, we get m alone.

4.5m = 189

/4.5       /4.5

m = 42

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8 0
3 years ago
Read 2 more answers
The expression means the product of 5 and the difference of three times r minus 10. If r = 4, the value of the expression is .
Morgarella [4.7K]

Answer:

10

Step-by-step explanation:

"three times r" = 3r

"three times r minus ten" = 3r - 10

"product of 5 and the difference of three times r minus ten"

= 5 (3r - 10)

given that r = 4,

the expression becomes

5 (3r - 10)

= 5 [3(4) - 10]

= 5 [12 - 10]

= 5 (2)

= 10

4 0
3 years ago
Question with last attempt is displayed for your review only
Alika [10]

Answer:

43.13 = 5.25h + 9

Step-by-step explanation:

Let's solve this by making an equation.

$9 for the helmet, and $5.25 per hour.

h will stand for hours, C will stand for Amanda's cost.

C = 5.25h + 9

Now, substitute in what we learned from the problem.

43.13 = 5.25h + 9

This is an equation you can use to solve for the hours.

3 0
2 years ago
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