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Juliette [100K]
2 years ago
9

If f(x) = 2(x − 5), find f(8).

Mathematics
1 answer:
Dafna11 [192]2 years ago
4 0

Answer:

The answer is eight.

Step-by-step explanation:

We know that x is eight. That means we can plug eight in for x. If we do that we get 2^8-5. 8-5 is three, so our problem becomes 2^3, which is 8.

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Draw clearly the graph of the linear equation. y=1/2x, where x= (-4 -2, 0, 2, 4)​
aniked [119]

Answer:

(in attachment)

Step-by-step explanation:

you can find the points by inputting the x-values into the equation to solve for the y-values, then connecting the plotted points to create the line.

When x=-4

y=1/2(-4)

y=-2

(-4,-2)

Repeat for all values.

6 0
2 years ago
Which is the graph of 2x + 3y >-3?
Cerrena [4.2K]

Answer:

The third graph is correct for the inequality 2x + 3y > -3

Step-by-step explanation:

The slope of the graph is –2/3.

The y-intercept is –1

The area above the dashed be line is shaded.

To verify, choose a coordinate in the shaded area, substitute the values for x and y. Calculate and check.

For example: (1,1)

2(1) + 3(1) > –3

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5 > –3 True.

4 0
2 years ago
Which of the following shows 5x + 17 + 8x – 9 + 2y in simplest terms?
Nata [24]

Answer:

13x + 2y + 8

Step-by-step explanation:

hope it helps......

7 0
2 years ago
Read 2 more answers
juan bought supplies for his new gecko. He bought four plants for p dollars each. He also bought a 10-gallon tank for $10 and a
murzikaleks [220]

Cost of 1 plant = $ p

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Cost of a water dish = $3

Total cost = 4p + 10 + 3 = 4p + 13

7 0
3 years ago
9 Four students were asked to write an expression that is
BabaBlast [244]

Answer:

Step-by-step explanation:

8x - 20.....factor a 4 out

4(2x - 5) <=== this one is correct...not 100% sure who wrote it

8x - 20...factor out a 2

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8x - 20....factor out a -2

-2(-4x + 10) <==== this is correct

8x - 20....factor out a -4

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8 0
3 years ago
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