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Mandarinka [93]
3 years ago
14

Who was correct and who was wrong?

Mathematics
1 answer:
zloy xaker [14]3 years ago
8 0
Mary

Because according to PEMDAS, Parenthesis always start first
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-3(x + 9) = 15 <br> Enter value for x
Crazy boy [7]

Answer:

<u>x = -14</u>

Step-by-step explanation:

  • -3(x + 9) = 15

<u />

<u>Divide each side by -3.</u>

  • -3(x + 9)/-3 = 15/-3
  • x + 9 = -5

<u>Subtract 9 from each side.</u>

  • x + 9 - 9 = -5 - 9
  • <u>x = -14</u>
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2 years ago
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grigory [225]
It’s c just try think of it logically
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3 years ago
How do I find the value of y?
Genrish500 [490]

Answer:

y = 27

Step-by-step explanation:

line segment BA and CD are congruent, turn them into an equation

3y - 59 = y - 5

subtract 1y from both sides, you get 2y - 59 = -5

then, add 59 to both sides and the equation is now 2y = 54

divide each side by 2 and you get the value of y (y = 27)

6 0
3 years ago
The price of a gallon of gasoline is $3.15. The price when Ryan's mother started driving was of the current price. What was the
Xelga [282]

Answer:

2/7, $0.23

Step-by-step explanation:

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3 years ago
Simplify completely: 2 square root -45
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Answer:

Step-by-step explanation:

if 2\sqrt\\ -45  = 6i\sqrt 5

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4 years ago
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