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kap26 [50]
3 years ago
12

Which of these ordered pairs is a solution to the inequality y – 2x ≤ –3?

Mathematics
1 answer:
Archy [21]3 years ago
8 0
The answer is D.(1,-1) the reason is -1(y)-2*1(x)=-3 so, -1-2*1 is less than or equal to -3.
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An aquarium can be modeled as a right rectangular prism. Its dimensions are 14 in by 7 in by 4 in. If the aquarium contains 153
musickatia [10]

A right rectangular prism can be used to simulate an aquarium. Its measurements are 14 by 7 by 4 inches. If there are 153 cubic inches of water in the aquarium, There is a 61 % empty space.

<h3>What is volume?</h3>

The term “volume” refers to the amount of three-dimensional space taken up by an item or a closed surface. It is denoted by V and its SI unit is in cubic cm.

The volume of the aquarium is;

V=14 × 7 × 4 = 392 inch³

The % by which the container is empty is found as;

\%Empty= \frac{392-153}{392} \times 100 \ \\\\ \%Empty= \frac{239}{392} \times 100 \\\\ \%Empty= 61\%

Hence, there is a 61 % empty space.

To learn more about the volume, refer to brainly.com/question/1578538.

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2 years ago
Six times a number plus another number tripled
charle [14.2K]

Answer:

(6x2)+(3x3)=

Step-by-step explanation:

4 0
3 years ago
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You have a 5” by 7” photo that you would like to have enlarged to fit an 8” by 10” frame. Would the two photographs be similar?
Rasek [7]
No, 2 of the 5x7 would actually take up. 10x14
8 0
3 years ago
24. A tank can be filled by a pipe in 30 minutes and emptied by another pipe in 50 minutes. How many minutes will it take to fil
OleMash [197]

Answer:

75 minutes

Step-by-step explanation:

The rate at which the tank is filled up, F, and emptied, E, are respectively:

F=\frac{V}{30}*60 = 2V/hour\\E=\frac{V}{50}*60 = 1.2V/hour

Since V is the full volume of the tank, the time required to fill the tank if both pipes are open is given by:

F-E=2V/hour-1.2V/hour = 0.8V/hour\\t= \frac{1}{0.8}=1.25\ hours = 75\ minutes

It will take 75 minutes to fill the tank if both pipes are open.

4 0
3 years ago
What is an expression equivalent to -4(-6m - 7)
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Answer: 24m+28

Step-by-step explanation:

you would distribute the -4 threw eveything

so it would be 24m+28

6 0
3 years ago
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