Plzzzzz help 3 9/10 is the same as the sum of 3 1/3 and half of a number what is the number

Mathematics

1 answer:

kirill [66]2 years ago

6 0

Answer:

9/10 = 1/3 + 1/2x

9/10 - 1/3 = 1/2x

LCM of 10 and 3 is 30

( 27 - 10)/30 = 1/2x

17/30 = 1/2x

17 * 2 = 30x

34=30x

34/30= 30x/30

x = 17/15

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Give the slope of any line that is parallel to the line y = -7x + 2

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I need big help, what are the step by step math problem and the answer to (18/-2)^2?

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$\tt \: ( \frac{18}{ - 2} ) ^{2} \\ \tt \: = (- \frac{18}{2} ) ^{2} \\ \tt = \frac{-18 \times -18}{-2 \times -2} \\ = \tt \frac{324}{4} \\ = \boxed{\tt\:81}$