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kakasveta [241]
3 years ago
8

7y-4=17 what is the answer

Mathematics
2 answers:
Anarel [89]3 years ago
6 0

Answer:

y = 3

Step-by-step explanation:

  1. Add 4 to each side, so it now looks like this: 7y = 21
  2. Divide each side by 7 to cancel out the 7 next to y. It should now look like this: y = 3

I hope this helps!

yaroslaw [1]3 years ago
3 0

Answer:

7y=21

y=21/7

y=3 answer

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200 miles

Step-by-step explanation:

1 inch = 100 miles

2 inch = 2*100 = 200 miles

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3 years ago
The median household incomes in dollars in four towns over time are shown. Assume the median incomes increase linearly. Median H
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Answer:

Step-by-step explanation:

Household.          Year 2010.         Year 2015.           Difference

Adderley.              47,200               58,200.                11,000

Bonniville.              52,900.             62,400.                9,500

Clay City.               44,600.              57,600.                13,000

Daletown.              41,500.               54,000.               12,500

Percentage increase for Adderley = 11,000/47,200 * 100= 23.3%

Percentage increase for Bonniville = 9,500/52,900 * 100= 17.96%

Percentage increase for Clay City = 13,000/44,600 * 100= 29.15%

Percentage increase for Daletown = 12,500/41,500 * 100= 30.12%

We can now see that Bonniville is the city with the lowest rate of increase in median household income.

7 0
3 years ago
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3 0
3 years ago
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Alan buys a basket of apples on sale for $7 before tax. The sales tax is 12.5%. What is the
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You are running a fuel economy study. One of the cars you find is blue. can travel 35 1/2 miles on 1 1/4 gallons of gasoline. An
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Answer:

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2) 34 miles per gallon

3) the red car

Step-by-step explanation:

We have the following information:

  • <em>Blue car:</em>

<em>Travels 35 1/2 miles on 1 1/4 gallons of gasoline</em>

  • <em>Red car:</em>

<em>Travels 27 1/5 miles on 4/5 gallons of gasoline</em>

<em />

We want to know the unit rate for miles per hour, and to do it we have to divide the miles they travel by the gallons each car uses:

  • Blue car:

(35 1/2) / (1 1/4) = 28.4 miles per gallon

  • Red car:

(27 1/5) / (4/5) = 34 miles per gallon

The red car travels greater distance with 1 gallon of gasoline

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3 years ago
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