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3241004551 [841]
3 years ago
9

Solve this quadratic equation by completing the square.

Mathematics
2 answers:
ANEK [815]3 years ago
8 0

Answer:

B

Step-by-step explanation:

Licemer1 [7]3 years ago
7 0
I think the answer is D
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Keisha just deposited a total of 900 into savings accounts at two different banks. the 550 she deposited at bank A will earn 2.2
mars1129 [50]

Answer:

F.

Step-by-step explanation:

Find how much interest she will earn from bank A:

100% = 550

1% = 550 ÷ 100 = 5.5

2.25% = 12.375

Find how much interest she will earn from bank B:

900 - 550 = 350

100% = 350

1% = 350 ÷ 100 = 3.5

3% = 3.5 x 3 = 10.5

Find out how much money she will earn from both banks of their interest:

10.5 + 12.375 = 22.875

Find out how much money she will earn from both banks of their interest in 2 years:

22.875 x 2 = 45.75

Find out how much she earns from both banks including interest:

900 + 45.75 = 945.75

(Final answer)

5 0
2 years ago
Solve for x. 25 - 3x = -5(1 - x) - 2x
grandymaker [24]

Answer:

x = 5

Step-by-step explanation:

25 - 3x = -5(1 - x) - 2x

<u></u>

<u>We have to first get rid of the parenthesis:</u>

-5 * 1  ==>  -5

-5 * -x  ==>  5x

<u>So now you should have:</u>

25 - 3x = -5 + 5x - 2x

<u>Combine like terms:</u>

25 - 3x = -5 + 5x - 2x

25 - 3x = -5 + 3x

<u>Add 3x to both sides:</u>

25 - 3x  =  -5 + 3x

    + 3x  =      + 3x

<u>And you should have:</u>

25 = -5 + 6x

<u></u>

<u>Add 5 to both sides:</u>

25 = -5 + 6x

+5 = +5

30 = 6x

<u>Divide 6 to both sides:</u>

\frac{30}{6}     =      \frac{6x}{6}

5 = x

3 0
3 years ago
Read 2 more answers
HELP - Wesley subscribes to a telecommunication company's move package. The plan includes a basic monthly charge of $40 and an a
boyakko [2]

Answer:

(month x 40) + (movies x C) or 40 + (M x C)     :/

Step-by-step explanation:

8 0
3 years ago
ANY JESUS HELPERS PLEASE HELP The incorrect work of a student to solve an equation 2(y + 4) = 4y is shown below: Step 1: 2(y + 4
wariber [46]

Answer:

2 should be distributed as 2y + 8; y = 4

Step-by-step explanation:

2(y + 4) = 4y

Distribute

2y + 8 = 4y

Step 2 is incorrect because the added instead of multiplied

Continuing on to correct the problem

Subtract 2y from each side

2y+8-2y = 4y-2y

8 = 2y

Divide by 2

8/2 = 2y/2

4 =y

3 0
3 years ago
Read 2 more answers
The function f(x) = 28(1.45)x models the number of cats and dogs adopted from a local animal shelter, where x represents the num
Phantasy [73]

Answer:

Step-by-step explanation:

If that number is greater than 1, that means that the exponential equation represents growth.  If that number is less than 1 but greater than 0, that means that the exponential equation represents decay.  Since ours is greater than 1, our equation is exponential growth.  It means that the perent of animals adopted grows at a rate of 145% per year, with a starting number of 28 animals in the first year.

6 0
3 years ago
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