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Oksi-84 [34.3K]
3 years ago
9

How do I find the value of x?

Mathematics
1 answer:
Rzqust [24]3 years ago
7 0
To find the value of x , bring the variable to the left side and bring all the remaining values to the right side. simplify the values to find the result.
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Meredith solved a quadratic equation. Her work is shown below.
Damm [24]

Answer:

Step 2

Step-by-step explanation:

Meredith made a fatal mistake or error in step 2;

Any quadratic problem will always have two solutions. Therefore since, we only have one solution here, it is wrong. The mistake was incurred in step 2;

  From the given problem ;

    <u> Wrong                                                  right</u>

    2(x + 4)² = 242

    (x + 4)² = 121     Step 1  

     x+4=11              Step 2                  x + 4  = ± 11

     x  = 7                Step 3                  x + 4  = 11 or x + 4  = -11

                                                           x  = 11- 4     or    x  = -11 - 4

                                                           x  = 7 or -15

3 0
3 years ago
PLS HALP ASAP
Oksanka [162]

Answer:

the answer is B

a 3d rectangle slided vertically can produce a 2d rectangle

6 0
1 year ago
Coffee table is 20% odd the original price of $115. If there is 7.5% sales tax, what is the final price of the coffee table?
netineya [11]
100%-20%= 80%=0.8

115(0.8)= 92

92(1.075)= 98.9

The final price of the coffee table is $98.90. 

Hope this helps! 
3 0
3 years ago
Help with number 3 please :)
elixir [45]

Answer:

32

You’re... welcome?

6 0
3 years ago
Read 2 more answers
Write the first four terms of this sequence starts at 3 and add 4
icang [17]

Answer:

3,7,11,15

Step-by-step explanation:

1) 3

2) 3+4=7

3) 7+4=11

4) 11+4=15

7 0
3 years ago
Read 2 more answers
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