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scoray [572]
3 years ago
10

Pls help for math homework. Show work.

Mathematics
1 answer:
vichka [17]3 years ago
5 0

12x - 13 - x - 9 + 10x

First, get the like terms together

12x + 10x - x -13 -9

Now, combine like terms

12x + 10x - x = 21x

-13 - 9 = -22

Final Answer:

21x - 22

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PLS HELP.<br> YOU WILL GET A GOOD DEED :)
qaws [65]

Answer:

a, 17.5

b, 16.2

do it with reciprocal

3 0
2 years ago
Can someone help me with this please!!
Elenna [48]

Step-by-step explanation:

part A

all listed features (A - F) are correct and to be selected.

part B

the average rate of change is

(f(x2) - f(x1)) / (x2 - x1)

so,

(f(0) - f(-2)) / (0 - -2) = (2 - 0) / (0 + 2) = 2/2 = 1

8 0
2 years ago
What is 7 times 7 + 93?
solniwko [45]

Answer:

142

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
DOES ANYONE GET THIS? ):
KonstantinChe [14]

There is a given point (10,3) this shows that when the width (X) is 10, the height (Y) is 3.

On the left side of the graph, they show an equation for the height Hw as being the constant over w ( width).

Using the given point solve for the constant.

Replace Hw with 3 and w with 10:

3 = Constant/10

Solve for the constant by multiplying both sides by 10:

Constant = 3 x 10

Constant = 30

The answer is B.

7 0
3 years ago
Determine the point on the graph of the linear equation 2x + 5y = 19, whose ordinate is 1 1/2 times its abscissa.
rosijanka [135]

Answer:

(2, 3)

Step-by-step explanation:

2x + 5y = 19

5y = -2x + 19

y = -\frac{2}{5} x + \frac{19}{5}

P(abscissa, ordinate)

P(x, 1.5x)

P(2, 3)

3 = -\frac{2}{5} (2) + \frac{19}{5}

3 = -\frac{4}{5} + \frac{19}{5}

3 = 15/5

3 = 3

8 0
3 years ago
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