3 years ago

Which of the following situations is best represented by the equation y = 15x ?

Mathematics

1 answer:

IrinaK [193]3 years ago

4 0

Answer:

B.) There were 15 more questions on the test than the last test.

Step-by-step explanation:

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In San Diego the average cost of gas is $4.15 per gallon. If a car has a fuel efficiency of 24 miles per gallon and the owner of

KIM [24]

Answer:

$25.94

Step-by-step explanation:

150 ÷ 24 = 6.25

6.25 × 4.15 = 25.9375

25.94

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3 years ago

in jean's new clothing store, she charges 21.75 for each sweatshirt she sells. what was jean's revenue if she sold 51 sweatshirt

Kamila [148]

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1109.25

Step-by-step explanation:

21.75 x 51 = 1109.25

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To avoid a storm, a passenger-jet pilot descended 0.38 mile in 0.4 minute. What was the plane's average change of altitude per m

Alenkinab [10]

Answer:

0.55 mile / minute

Step-by-step explanation:

The average change of altitude per minute would simply be the ratio of distance descended over time. That is:

average change of altitude = distance / time

average change of altitude = 0.44 mile / 0.8 minutes

average change of altitude = 0.55 mile / minute

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3 years ago

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How many different ways can you arrange 100 numbers?

Semenov [28]

10,000 or 100,000 so I hope it helps

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3 years ago

Solve the system by substitution x=4y-7 2x+9y=-31

ElenaW [278]

Answer:

simple follow me

Step-by-step explanation:

2(4y-7)+9y=-31

8y-14+9y=-31

y= -17

x= -75

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3 years ago