3 years ago

Please helpp mee huhu

Mathematics

1 answer:

horsena [70]3 years ago

8 0

Answer:

Can u show the whole question

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Help me out plzzzzzz

Minchanka [31]

Answer:

A=4, B=3, C=2, D=7 or A=2, B=7, C=4, D=3

Step-by-step explanation:

To factor this, you are looking for factors of 8×21 = 168 that have a sum of 34.

168 = 1×168 = 2×84 = 3×56 = 4×42 = 6×28 = 7×24 = 8×21 = 12×14

The sums of these factor pairs are 169, 86, 59, 46, 34, 31, 29, 26. The factor pair whose sum is 34 is 6×28. This means we can rewrite the expression as ...

8x² +28x +6x +21

Factoring by pairs gives ...

4x(2x +7) +3(2x +7)

(4x +3)(2x +7) ⇒ A=4, B=3, C=2, D=7 or A=2, B=7, C=4, D=3

4 0

2 years ago

Read 2 more answers

graph of parabola going through 2, negative 3 and 3, negative 1. What is the average rate of change from x = 2 to x = 3?

alexgriva [62]

The average rate of change over an interval can be found with the following formula:

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

The parabola goes through (2, -3) and (3, -1). We want to find the average rate of change over the interval [2,3]. Plug these values into the formula:

$\frac{-1 - (-3)}{3-2} = \frac{2}{1} = 2$

The average rate of change will be 2.

4 0

3 years ago

Round the fraction to 0, 1/2, or 1.<br><br><br><br> 2/9

Monica [59]

It rounds to zero! lmk if you need anything else

4 0

3 years ago

A parallelogram has a height of 15 feet a base of 17 feet and a side length of 18 feet what is the area and perimeter

butalik [34]

I hope this helps you