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3 years ago

Write an equation with the solution x=20??

1 answer:

5 0

Let's just start with x=20 and then do some algebra to it to make it all complicated
x = 20
2 * x = 2 * 20
2x = 40
2x - 13 = 40 - 13
2x - 13 = 27

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Evaluate the expression for x= 2 and y=4. Enter your answer in the box. 16x + 2x2 - y2

Nostrana [21]

Answer:

Step-by-step explanation:

Step 1: Define

x = 2

y = 4

16x + 2x² - y²

Step 2: Substitute and Evaluate

16(2) + 2(2)² - 4²

32 + 2(4) - 16

16 + 8

8 0

3 years ago

I need help on this question and every time I get help on this question some people get it wrong. can someone give me the right

LenaWriter [7]

Answer:

x = 8

y = -7

Step-by-step explanation:

(-3y) - 4x = -11

3y - 5x = -61

-----------------------+

-9x = -72

x = 8

3y - 5x = -61

3y -5(8) = -61

3y - 40 = -61

3y = -21

y = -7

8 0

3 years ago

Please help me I need to get a good grade on this

Julli [10]

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8 0

3 years ago

Solve: ( 6 1/5+2 1/2) x 0.85

QveST [7]

It's 21.125 hope this works good luck ;)

6 0

3 years ago

Read 2 more answers

What is the image point of (-6, 9) after a translation left 4 uints and down 1 unit?

Alex17521 [72]

Answer:

(-10,8)

Step-by-step explanation:

So our original point is (-6,9).

A translation of 4 units to the left means that the x-value would go left by 4. In other words, we subtract 4 to -6. We subtract because going to the left means that it's going to the negative direction.

A translation of down 1 unit means that the y-value would go down by 1. In other words, we subtract 1. Again, we subtract because going downwards means that it's going to the negative direction.

Therefore, the new point would be:

$(-6-4,9-1)\\=(-10,8)$

6 0

3 years ago