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mote1985 [20]
2 years ago
10

Multiply 543.542 and 4 together. Round to the nearest hundredth when necessary.

Mathematics
1 answer:
Nastasia [14]2 years ago
4 0

Answer:

2174.17

Step-by-step explanation:

multiply 543.542×4

you get 2174.168

round to the nearest hundredth

2174.17

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Tiles (6" by 6") can be installed at the rate of 50 per worker hour. The floor of a large lobby area (80’ by 40’) is to be cover
RideAnS [48]

Answer:

Step-by-step explanation:

Tiles (6" by 6") can be installed at the rate of 50 per worker hour. Since the tile is a square, its area is

L^2 = 6^2 = 36 inches square

So in an hour, a worker installs 50 tiles whose area is 36 inches square. Total square meters installed per hour will be 50 × 36 = 1800 inches square per hour.

If three workers are assigned to this task, their work rate will be

1800 × 3 = 5400 inches square per hour.

The floor of a large lobby area (80’ by 40’) is to be covered with these tiles. We would convert from feet to inches.

1 foot = 12 inches

80 feet = 80 × 12 = 960 inches

40 feet = 40 × 12 = 480 inches

Area of the lobby = 90 × 480 = 460800 inches square.

If the 3 workers install 5400 inches square in 1 hour,

Then then they will install 460800 inches square in

460800/5400 = 85.33 hours

Converting to the nearest whole day, it becomes

85.33/24 = 3.55

Approximately 4 days

4 0
3 years ago
Which volume could belong to a cube with a side length that is an integer?
aliina [53]
The volume that could belong to a cube with a side length that is an integer is 64 cubic inches.
4 0
3 years ago
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What is the product? (y²+3y+ 7)(8y²+y+1)
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6 0
3 years ago
An angle's initial ray points in the 3-o'clock direction and its terminal ray rotates CCW. Let θ represent the angle's varying m
Alexxandr [17]

Answer:

0.546 , -4.71

Step-by-step explanation:

Given:

An angle's initial ray points in the 3-o'clock direction and its terminal ray rotates counter -clock wise.

Here, Slope = tan\theta

If θ = 0.5

Then, Slope = tan(θ) = tan(0.5) = 0.546

If θ = 1.78

Then, Slope = tan(θ) = tan(1.78) = - 4.71

The expression (in terms of θ) that represents the varying slope of the terminal ray.

Slope = m = tanθ, where θ is the varying angle

7 0
3 years ago
12. A red drone is 100 feet off the ground and is rising at 8 feet per second. A blue drone is 180
Harrizon [31]

Answer:

The red drone will be at the same height as the blue drone at 33.33 seconds, therefore higher at 34 seconds.

Step-by-step explanation:

Red drone = 100 + 8*seconds

Blue drone = 180 + 5*seconds

100 + 8*seconds = 180 + 5*seconds

3*seconds = 100

seconds = 33.33

4 0
3 years ago
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