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vladimir2022 [97]
3 years ago
6

Desmond is 3 inches taller than Niki.

Mathematics
1 answer:
Colt1911 [192]3 years ago
7 0
Hey, let’s use y to represent Desmond’s height. Since we are trying to find Desmond’s height, we”ll start off with y =
We know that Desmond’s height is equal to Niki’s height + 3 inches. So the answer would be, y = x + 3.
Hope this helps :)
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A family plans to have the hardwood floors in their square dining room re-finished, and new baseboards installed. The cost of re
Alexus [3.1K]

Answer:

Dimension of room = 18 foot x 18 foot

Step-by-step explanation:

Let the square room is of side a foot,

The cost of re-finishing the hardwood floors is $2.25 per square foot and the cost of purchasing and installing the new baseboards $14.5 per linear foot

Total cost is  $1773.

Cost for re-finishing the hardwood floors = Area x 2.25

Area = a²

Cost for re-finishing the hardwood floors = 2.25 a²

Cost of purchasing and installing the new baseboards = Perimeter x 14.5

Perimeter = 4a

Cost of purchasing and installing the new baseboards = 4a x 14.5 = 58 a

Total cost = Cost for re-finishing the hardwood floors + Cost of purchasing and installing the new baseboards

1773 = 2.25 a² + 58a

2.25 a² + 58a - 1773 = 0

a = 18 or a = -43.77(not possible)

Dimension of room = 18 foot x 18 foot

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3 years ago
HELP ASSAAAAPPP!!!
galina1969 [7]

Answer:

14

Step-by-step explanation:

Jack drove 278.2 miles on 19.6 gallons of gasoline. then

278.2 miles - 19.6 gallons

x miles - 1 gallon

Write a proportion:

\dfrac{278.2}{x}=\dfrac{19.6}{1}

Cross multiply:

19.6\cdot x=278.2\cdot 1\\ \\19.6x=278.2\\ \\x=\dfrac{278.2}{19/6}\approx 14\ miles

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Karen will run more than 35 miles this week. So far, she has run 17 miles. What are the possible numbers of additional miles she
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35-17=18
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Peter went to his local zoo where 50% of its exhibits featured lions. If the zoo features 24 exhibits in total, then how many of
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