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kow [346]
3 years ago
10

2. What is the solution to the equation? If necessary, round your answer to the nearest tenth. A. 3x^2 = 48 B. x^2 – 2 = 12

Mathematics
1 answer:
stealth61 [152]3 years ago
8 0
The first one is 4, and the second one is 3.7
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HELP ME PLEASE!!! I AM GIVING BRAINLIEST TO WHO CAN SOLVE IT CORRECT
yaroslaw [1]

Answer:

x^2 +4x+4 = 4

Step-by-step explanation:

To complete the square  take the coefficient of the x term

4

Divide by 2

4/2 =2

Square it

2^2 =4

Add it to both sides of the equation

x^2 +4x+4 = 4

7 0
3 years ago
Find the digit that makes _2440 divisible by 9.
maks197457 [2]

divide using long division 271 r 1

dividing normally

exact form 2440/9

                          _

decimal form:27.1


mixed number form:

271  1/9

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3 years ago
What is the first step in which the student made an error
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I’m not sure what this answer is I will comment when I find it
7 0
3 years ago
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the average sale of a house decreased from $317,000 in February 2008 to $160,000 in February 2013. What is the absolute change?
AURORKA [14]
The absolute change is expressed as a positive percentage here, which would be 49.53%. The relative change would be the same answer, only negative since the amount is going down. 

In order to find the percentage of change, you would subtract the new total from the previous total and then divide by the previous. 

\frac{Previous - New}{Previous}

\frac{317,000 - 160,000}{317,000}

\frac{157,000}{317,000}

49.53%
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Use mental math to find the sum 52+19
stich3 [128]
I knew that 9 plus 2 equals 11 so I add 5+1+1 which equals 7. Then I add the one which equals 71
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