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Makovka662 [10]
3 years ago
9

5 + 8 x 1 over 2 what is the correct order of operations for simplifying this expression

Mathematics
1 answer:
pshichka [43]3 years ago
3 0
PEMDAS !!!!! Parentheses Exponents Multiplication Division Addition Subtraction
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PLEASE HELP ME ASAP!!
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11 PTS! 5 STARS! THANKS ON PROFILE AND QUESTION1 FIRST TO ANSWER ALL 5 GETS BRAINLIEST!
denis-greek [22]
1) Answer: 21
As y varies directly with x, this means that the ratio y/x is always a constant.
In other words, the equation can be written as y = kx, where k is a constant term.

Thus, -\frac{14}{4} = -\frac{y}{6}
y = 21

2) Answer: C
Exactly the same process as above.
Here's another method:
25 = k(140)
k = 25/140 = 5/28

Thus, when y = 36, 36 = kx
36 = 5/28(x)
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3) 9 = k(12)
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y = (1/4)x, where the constant term is 1/4

5) y = kx
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Quadrilateral BCDE has vertices B(-1, -1), C(6,-2), D(5, -9), and E(-2,-8).
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3 years ago
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Tom [10]
64 x 10 = 640

Easier way to simplify :

64 x 1 = 64 and then put the 0 at the end which = 640
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