3 years ago

The value of my coins if I have p pennies, n nickels, and twice as many quarters as pennies.

Mathematics

1 answer:

34kurt3 years ago

3 0

Answer:

Answer

Hi soo where is ur question

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12.2z + 19.4 = -2.7z + 93.9

Digiron [165]

Answer:

z=5

Step-by-step explanation:

12.2z+ 19.4 = -2.7z + 93.9

14.9z=74.5

z=5

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3 years ago

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Which of the following is not equal to 6.7

kondor19780726 [428]

Answer: i think your missing the other part of the question

Step-by-step explanation:

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3 years ago

The recipe calls for I cup of water to be mixed with 6 cups of cake mix. How much water should be mixed with 21 cups of cake mix

enot [183]

1/x=6/21

What you need to do is set it up as a proportion. 1 cup to 6 cups cake mix, x cups to 21 cups cake mix.

21/6 is 3.5

So 3.5 cups of water to 21 cups of cake mix (:

Hope this makes sense!

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3 years ago

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The time T for a car to travel from Macon to Atlanta is inversely proportional to the speed R. It takes 1.75 hours to travel bet

timofeeve [1]

First find the distance by multiplying 55mi/hr × 1.75 hrs= 96.25mi

Next find the time while traveling at 70mph using this distance. 70 miles/hr = 1hr/70 miles, so multiply 1hr/70mi x 96.25 mi= 1.38 hours

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3 years ago

Leslie used 20% of a half-gallon (64 ounces) of milk for a recipe. How many ounces of milk were left?

Lady_Fox [76]

Answer:

51.2 ounces.

Step-by-step explanation:

If its 20% of a 64 ounce half gallon, you just need to find the last 80% of the half gallon. Since you know it is 64 ounces you can divide it by 5 which gives you 12.8. 12.8 would be 20% so you just subtract 12.8 from 64 ounces which gives you 51.2.

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2 years ago