3 years ago

Please answer anyone you can will appreciate it

1 answer:

8 0

Well, for the first question, the answers will be (a) 13 per row, because 13*13=169, and (b) a square, because the dimensions will be 13x13.

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Gwendolyn is asked to solve the equation -43 – 3) = 20. She sh

choli [55]

Answer:

-4x + 12 = 20 is incorrect. she added 12 to 20 instead of subtracting 12 from both sides.

Step-by-step explanation:

It should have been, write problem

-4(x - 3) = 20

Use distributive property.

-4x + 12 = 20

subtract 12 from each side

-4x =8

divide each side by -4

x = -2

4 0

2 years ago

Sketch the graph of the given equation. y = x2 + 8x +15

Tamiku [17]

The pictures may be in a different order for you but it’s the 3rd graph where the minimum is (-4,-1)

3 0

2 years ago

Which best describes the graphs of the line that passes through (−12, 15) and (4, −5), and the line that passes through (−8, −9)

konstantin123 [22]

Answer:

C) They are perpendicular lines.

Step-by-step explanation:

We first need to find the slope of the graph of the lines passing through these points using:

$m = \frac{y_2-y_1}{x_2-x_1}$

The slope of the line that passes through (−12, 15) and (4, −5) is

$m_{1} = \frac{ - 5 - 15}{4 - - 12}$

$m_{1} = \frac{ - 20}{16} = - \frac{5}{4}$

The slope of the line going through (−8, −9) and (16, 21) is

$m_{2} = \frac{21 - - 9}{16 - - 8}$

$m_{2} = \frac{21 + 9}{16 + 8}$

$m_{2} = \frac{30}{24} = \frac{5}{4}$

The product of the two slopes is

$m_{1} \times m_{2} = - \frac{4}{5} \times \frac{5}{4} = - 1$

Since

$m_{1} \times m_{2} = - 1$

the two lines are perpendicular.

4 0

3 years ago

Read 2 more answers

If the median were to be calculated at 82.5 degrees, then would the feasible mean be 81.6?

dmitriy555 [2]

I think your right,It would be 81.6.
Hope this helps. :D

7 0

3 years ago

Your company withheld $4463 from your paycheck for taxes .you received a $713 tax refund

gogolik [260]

About $5210

Hope this helps!

5 0

3 years ago