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DaniilM [7]
3 years ago
11

Find the value of x so that the line passing through (10, 5) and (x, 9) has a slope of -2.

Mathematics
2 answers:
Verdich [7]3 years ago
4 0
Ok, so here, we need to use the slope formula which is:

(y2 - y1)/(x2-x1)

y2 = 9
y1 = 5

x2 = x
x1 = 10

So:

(9-5)/(x-10) = -2

Now, we just solve for x,

9-5  =  -2(x-10)

4  =  -2x+20

2x  =  16

x  =  8
tatuchka [14]3 years ago
4 0
X=8 ....................

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8 0
3 years ago
If you have 80 employees and you grew 116%, what was the amount of original employees?
Nezavi [6.7K]

Answer: 69

Step-by-step explanation:

Let the original employee be x , this means that

116% of x = 80

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116x = 8000

divide through by 116

x = 8000/116

x = 68.96551724

Since we are dealing with employees , therefore x ≈ 69

This means that there were 69 employees originally

7 0
3 years ago
Study the equation.<br> y = x2 - 4x - 77<br> Write the equation in graphing form (vertex form).
Julli [10]

Answer:

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Step-by-step explanation:

4 0
2 years ago
What is the factored form of 8x2 + 12x? 4(4x2 + 8x) 4x(2x + 3) 8x(x + 4) 8x(x2 + 4)
earnstyle [38]
So I'm guessing that the x2 is your way of saying 2 is the exponent right? In that case the equation would be 8x^2 + 12x
Well you would have to pull out the gcf which in this case will be 4x after pulling out the gcf you should get 4x(2x + 3)
8 0
3 years ago
Read 2 more answers
Multiplying Binomials: (−2h+9)(9h−2) = ?
oee [108]
(−2h+9)(9h−2)

-18h^2 + 4h + 81h - 18

Answer: -18h^2 + 85h - 18
5 0
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