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DiKsa [7]
3 years ago
11

−2x+12y=18? enter your answer in the box (_,0)

Mathematics
1 answer:
KengaRu [80]3 years ago
3 0

Answer:

The answer is x = -9. (-9,0)

Step-by-step explanation:

first put the equation into standard slope intercept form

y = mx + b

12y = 2x + 18

The problem says the pair is (_,0). so we substitute 0 for y.

12(0) = 2x + 18

0 = 2x + 18

solve for x

- 18 = 2x

x =  -  \frac{18}{2}

x =  - 9

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What is the value of a?
Annette [7]

Answer:

<h2>a = 16</h2>

Step-by-step explanation:

Look at the picture.

The formula of an area of a trapezoid is:

A=\dfrac{b_1+b_2}{2}\cdot h

b_1,\ b_2 - bases

h - height

We have:

A=128,\ b_1=a+2,\ b_2=a-2,\ h=8

Substitute:

128=\dfrac{a+2+a-2}{2}\cdot8\\\\128=\dfrac{2a}{2}\cdot8

128=8a          <em>divide both sides by 8</em>

16=a\to a=16

8 0
3 years ago
(AP Calc) the graph of the function f shown above has three line segments....
I am Lyosha [343]

Answer:

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Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

Here [ a, b ] = [ - 1, 6 ] and from the graph

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7 0
3 years ago
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Step-by-step explanation:

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