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3 years ago

4a (8a- 4a + 1) Helpehelpeekendnhdhdjdjdjjdfjjfjfjf

1 answer:

6 0

Complete the math in the brackets (4a + 1)

Multiple each term in the brackets by 4a

4a (8a - 4a + 1)
4a (4a + 1)
16a^2 + 4a

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What are the solutions of the system?

siniylev [52]

$y=x^2-3x+2 \\y=4x-4$

A. (1, 0) and (–6, –28)

B. (1, 20) and (6, 0)

C. (1, 0) and (6, 20)

D. no solution

Correct answer is C.

$y=x^2-3x+2 \\y=4x-4\\ \\4x-4=x^2-3x+2 \\x^2-7x+6=0 \\x^2-6x-x+6=0 \\x(x-6)-(x-6)=0 \\(x-6)(x-1)=0 \\x=6\,\text{ or }x=1 \\y=4\times 6-4=20 \,\text{ or }y=4\times 1-4=0 \\ \\(6,20)\,\text{ and }(1,0)$

8 0

3 years ago

Read 2 more answers

Best and Correct answer gets BRAINLIEST!!!

Karo-lina-s [1.5K]

Answer:

The constant of proportionality (k) is 1/5.

Step-by-step explanation:

The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.

Hope this helps and I hope u have an Amazing day!!

6 0

2 years ago

Which of the following is equivalent to the expression below? log 3-log 15

Nikitich [7]

Answer:

$C. =log\frac{1}{5}$

Step-by-step explanation:

Formula =======================

consider a and b two real numbers

where a > 0 and b > 0.

$log\frac{a}{b} =loga-logb$

……………………………………………………………

log 3 − log 15

$=log\frac{3}{15}$

$=log\frac{3}{3\times 5}$

$=log\frac{1}{5}$

8 0

1 year ago

Read 2 more answers

Mrs.Cleaver mixes 1.24 liters of red paint with 3 times as much blue paint to make purple paint . She pours the paint equally in

horrorfan [7]

There are 0.744 liters of blue paint in each container.

6 0

3 years ago

Line m is represented by the equation y +2 = (x + 4). Select all equations that represent lines perpendicular to line

serg [7]

Answer

y = x + 2

hope this helped

lol

5 0

1 year ago