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prohojiy [21]
3 years ago
9

PLEASE HELP!!!!!!!!!

Mathematics
1 answer:
Ber [7]3 years ago
3 0

Answer:

A 12

B 30 lost

Step-by-step explanation:

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Write an equivalent expression to 9y -1/2(4y+20)
Leya [2.2K]
An equivalent expression could just be one that is simplified. So we get 9y - 2y - 10 if we distribute the 1/2, which is 7y - 10.
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Step-by-step explanation:

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Simplify the expression 5 + 2 ⋅ {(2 + 5) ⋅ 5 + 5] <br><br> 1: 55 <br> 2: 85<br> 3: 105 <br> 4: 115
FromTheMoon [43]

Answer:

85

Step-by-step explanation:

Order of operations rules (PEMDAS) govern here.  Anything inside parentheses must be done first, followed by exponentiation, mult. and div., and add. and subtr. last.

Add 2+5 first:    5 + 2*{(7)*5 + 5}

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6 0
3 years ago
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What is the value of 8 in the number 8000
Free_Kalibri [48]

Answer: 8000

Step-by-step explanation:

6 0
3 years ago
Please help me on number 4
Mariulka [41]
Angle 5 = 117° because it is vertical to angle 8
Angle 7 = 63° because it is symmetrical to angle 5
Angle 6 = 63° because it is vertical to angle 7.
Angle 1 = 117° because it is corresponding to angle 5.
Angle 2 = 63° because it is corresponding to angle 6.
Angle 3= 117° because it is corresponding to angle 8.
Angle 4 = 63° because it is corresponding to angle 7.
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