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lisov135 [29]
4 years ago
13

10 5/18 - 8 5/6 plzzzzzz helpppppp

Mathematics
1 answer:
adell [148]4 years ago
3 0

Answer:

-5/9

Step-by-step explanation:

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

(518×11)−(56×33)=?

Complete the multiplication and the equation becomes

518−1518=?

The two fractions now have like denominators so you can subtract the numerators.

Then:

5−1518=−1018

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 10 and 18 using

GCF(10,18) = 2

−10÷218÷2=−59

Therefore:

518−56=−59

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What is the result when the number 11 is increased by 8.8%?
Dafna1 [17]

Answer:

11.968

Step-by-step explanation:

5 0
3 years ago
Assume that y varies directly with x. If y=1/4 when x=1/8, find x when y= 3/16
prisoha [69]
Y=kx

Step 1: find the value of k

1/4=k(1/8)
k=2

Step 2: find the value of x using y=2x

y=2x
3/16= 2x
x= 3/32

Solved.
3 0
3 years ago
Kelly went to a hockey game with her family. They bought 4 bags of cotton candy and 2 souvenir cups and spent $36. Marissa's fam
erik [133]
4b+2c=36, solve for b, subtract 2c from both sides

4b=36-2c  divide both sides by 4

b=9-0.5c

Then we are told that:

7b+3c=59, using b=9-0.5c we get:

7(9-0.5c)+3c=59  perform indicated multiplication on left side

63-3.5c+3c=59  combine like terms on left side

63-0.5c=59  subtract 63 from both sides

-0.5c=-4 divide both sides by 0.5

c=8

So each souvenir cup costs $8.

(and each bag of cotton candy is $5)
3 0
3 years ago
Y is directly proportional to x when x=540 y=10 calculate the value of y when x=540.
zhuklara [117]

Answer:

Step-by-step explanation:

Y should still be 10 since x is 540

3 0
3 years ago
Solve the system of equations using elimination<br> x-y=3<br> 2x+2y=50
pishuonlain [190]

Answer:

X=14

Y=11

Step-by-step explanation:

14-11=3

14x2=28

11x2=22

22+28=50

Hope that works :)

6 0
3 years ago
Read 2 more answers
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