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madreJ [45]
2 years ago
8

Janson has quarters and dimes in his pocket. he counted 42 coins that added up to $7.50

Mathematics
2 answers:
vlada-n [284]2 years ago
7 0

Answer:

28 quarters and 5 dimes

7(Q)+5(D)

7(4)+5(10)

28Q      50D          Q=quarters  D=dimes

it would be more efficient to do the substitution method bc its faster and easier

scoray [572]2 years ago
4 0
I think Jason has 57
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The difference between twice a number and 8
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Answer:

2x-8

Step-by-step explanation:

2x-8

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Carlotta asks 30 campers which outdoor activity they enjoy. Of these campers, 13 enjoyed swimming, 17 enjoy baseball, and 8 enjo
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3 years ago
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In an election, a candidate got 82% votes. He won the beating his rival candidate by 576 votes. How many votes were polled?​
Slav-nsk [51]

Answer:

900

Step-by-step explanation:

A candidate got 82%votes.

Loosing candidate get=(100-82)=18%

Difference between two votes.

=(82-18)%=64%

Let be the Total vote is=x.

64% of the total vote=576

Or, 64 \%\times x= 576

Or,  \frac{64}{100}  \times x = 576

Or,x= \frac{576 \times 100}{64}

Or,x=900

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8 0
2 years ago
find the equation of a line through the coordinate (3,6) and parallel to the line represented by y=5/3 x-1
maw [93]

Slope-intercept form:

y = mx + b

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For lines to be parallel, their slopes have to be the SAME.


The given line's slope is 5/3, so the parallel line's slope is also 5/3

y = 5/3x + b

To find "b", plug in the point (3,6) into the equation

y = 5/3x + b

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y = 5/3x + 1

5 0
3 years ago
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in an equation this would be y=-2x-3

5 0
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