3 years ago

Write the equation in standard form. Then factor the left side of the equation 2x2=28-X

1 answer:

6 0

The correct answer is B) (2x-7)(x+4)=0. If you were to FOIL (First, Outer, Inner, Last) the answer, you would get 2x^2+1x-28=0.
Step by step:
(2x-7)(x+4)=0
FOIL it.
2x^2+8x-7x-28=0
Combine the two middle terms.
2x^2+1x-28=0
Move -28 and 1x over to the right side of the equation.
2x^2=28-x

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blsea [12.9K]

Answer:

Exact form : x=6/5

Decimal form : x=1.2

Mixed Number form : x=1 1/5

Step-by-step explanation: Solve for x by simplifying both sides of he equation, then isolating the variable.

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2 years ago

The median number of coloring contests won by 4 kids in a certain year is 5. The range of number of contests won by those kids t

Orlov [11]

True
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2 years ago

Mr. quick bought new computer system. The regular price was 1,580 , but he got a 15% discount. How much did he actually pay?

N76 [4]

Answer:

$1343

Step-by-step explanation:

The equation would be

x= 1580 (1-0.15)

x represents how much he actually pays.

1-0.15=0.85.

1580×0.85=1343

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2 years ago

The store clerk arranges 24 toothbrushes into 4 equal rows. how many toothbrushes are in each row?

Digiron [165]

Answer:

Step-by-step explanation:

24/4 = 6

4 0

2 years ago

Read 2 more answers

Marta invested $5, 425 in the stock market and earned 8.5% interest. How much money will Marta have in her account after one yea

Semenov [28]

Answer:

Future Value= $5,886.13

Step-by-step explanation:

Giving the following information:

Initial investment (PV)= $5,425

Number of periods (n)= 1 year

Interest rate (i)= 8.5% = 0.085

<u>To calculate the future value after one year, we need to use the following formula:</u>

<u></u>

FV= PV*(1+i)^n

FV= 5,425*(1.085^1)

FV= $5,886.13

6 0

3 years ago