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RideAnS [48]
3 years ago
12

Ethan installs tiles on the floor of a room with a length of 14 feet and a width of 12 feet. It takes 9 hours to install the til

es in the room.
What is the average speed at which Ethan can install the tiles? Round to the nearest tenth.
Mathematics
1 answer:
Stels [109]3 years ago
6 0
Find total area
area=14 ties 12=168 ft^2
9 hours

168/9=56/3=18.6666666 ft^2 per hour

round
18.7 ft^2 per hour
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JL=83. if Jk=5x-4 &amp; KL=3x-1. <br> Then X=?
DIA [1.3K]

<em>Answer:</em>

<em>The answer is 83</em>

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3 years ago
The Thomas family went for a Sunday drive. Before they left, Mr. Thomas noticed the gas tank was ¾ full. When they returned home
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Answer:

7.5 gallons

Step-by-step explanation:

Given:

The Thomas family went for a Sunday drive.

Before they left, Mr. Thomas noticed the gas tank was ¾ full.

When they returned home the gas tank was ⅓ full.

Total capacity of the gas tank = 18 gallons

<u>Question asked:</u>

How many gallons of gas did the car use on the drive?

<u>Solu</u>tion:

Before they left, quantity of gas in the tank = \frac{3}{4} \times18=\frac{54}{4} =13.5\ gallons

When they returned, quantity of gas in the tank = \frac{1}{3} \times18=\frac{18}{3} =6\ gallons

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Therefore, 7.5 gallons of gas used on the drive by Thomas family.

4 0
2 years ago
What inequality is shown by the graph?
Gwar [14]

Step-by-step explanation:

2x - 10y > -20

=> x - 5y > -10

or x - 5y +10 > 0

4 0
3 years ago
What are the first three terms of the sequence defined by the recursive function an=an-1-(an-2-4), when a5=-2 and a6=0
BaLLatris [955]

Answer:

6, 10, 8

Step-by-step explanation:

aₙ= aₙ₋₁ - (aₙ₋₂ - 4)= aₙ₋₁ - aₙ₋₂ + 4

a₅= -2

a₆= 0

-----------

aₙ₋₂= aₙ₋₁ - aₙ + 4

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  • a₂= a₃ - a₄ + 4 = 8 - 2 + 4 = 10
  • a₁= a₂ - a₃ + 4 = 10 - 8 + 4 = 6

The first 3 terms: 6, 10 and 8

4 0
3 years ago
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