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svetoff [14.1K]
3 years ago
11

Could 8 be a solution? Why or why not? x2 = 49

Mathematics
2 answers:
lozanna [386]3 years ago
5 0
No because if you substitute 8 for x, you would get 16=49. which is not true
gayaneshka [121]3 years ago
4 0

Answer:

it cannot be

Step-by-step explanation:

x²=49

x=√49

x=7

Thus answer is 7 and not 8

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To create an entry code you must choose the first three letters and three single digit numbers how many different entry code can
Dmitry_Shevchenko [17]

Answer:

9

Step-by-step explanation:

3*3=9

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7 0
3 years ago
Which expression represents the phrase "15 less than the current amount"?
Leya [2.2K]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Please answer the question carefully and completely.
LiRa [457]

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7 0
4 years ago
If AB=2(x+1) BC=3x+1 and AC=4(x+2) then find the value for x,AB,BC and AC
taurus [48]

Givens

AB + BC = AC

AB = 2(x + 1)

BC = 3x + 1

AC = 4(x + 2)

Substitute and Solve

AB + BC = AC

2(x + 1) + 3x + 1 = 4(x + 2)     Remove the brackets on the left

2x + 2 + 3x + 1 = 4(x + 2)      Collect the like terms on the left

5x + 3  = 4(x + 2)                  Remove the brackets on the right.

5x + 3 = 4x + 8                     Subtract 4x from both sides.

5x - 4x + 3 = 8            

x + 3 = 8                               Subtract 3 from both sides

x =8 - 3

x = 5

Answers

AB=2(5 + 1) = 2 * 6 = 12

BC = 3x + 1 = 3*5 + 1 = 15 + 1 = 16

AC = 4(5 + 2) = 4*7 = 28


7 0
4 years ago
HELP HELP!! ONLY 1 QUESTION !! (Ill mark as brainlist if correct) Type the numerial answer
Feliz [49]
What were you asked to find exactly
6 0
3 years ago
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