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3 years ago

A certain aquarium holds 20 gallons of water. How many quarts of water does the aquarium hold?

1 answer:

8 0

Let's find out what 1 gallon of water is first. 1 gallon is equivalent to 4 quarts. 20 gallon is equivalent to 80 quarts. What we do here is to multiply: 20 gallons • 4 quarts = 80 quarts The answer is 80 quarts.

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Make y the subject: 5x + 2y = 11

Anton [14]

Does that mean solve for y? If so, here it is:
5x + 2y = 11.

Move the x term by subtracting.
2y = -5x + 11

Divide by 2.
y = -5/2x + 11/2

7 0

3 years ago

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At a NASCAR racetrack, the distance per lap is 2 miles. Lou Lambert drives his car at a constant rate of 160 miles per hour. Ral

Nezavi [6.7K]

Answer:

24 minutes

Step-by-step explanation:

Given:

Distance per lap = 2 miles

Speed of Lou Lambert = 160 miles/hr

Speed of Ralph Redding = 170 miles/hr

Speed difference between the two = 170 - 160 = 10 miles/hr

Therefore, we can say that Ralph gains 10 miles in 60 minutes over Lou.

We have to find the time in which Ralph will gain 2 laps i.e. 2 $\times$ 2 = 4 miles.

Let us use unitary method to find the required time.

10 miles are gained by Ralph in 60 minutes

1 mile will be gained in $\frac{60}{10} = 6\ minutes$

4 miles will be gained in 6 $\times$ 4 = 24 minutes

7 0

3 years ago

These expressions represent four numbers. The value of the median of the expressions is 12.

musickatia [10]

Answer:

Try retyping ,which expressions ..?? Maybe it didn't come out

4 0

2 years ago

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What is the solution to the system of equations?

Karolina [17]

Answer: (1,3) or x = 1 and y = 3

Step-by-step explanation:

The solution is the intersection thus the answer is (1,3) or x = 1 and y = 3

4 0

2 years ago

Can someone help me on this one, please? Denis and Dasha solve this problem in two different ways.

bagirrra123 [75]

Answer:

Step-by-step explanation:

since its a rectangle there are two lengths of six. If you add them together you get 12. subtract the total perimeter of 54 by the 12 and get 42. Since there is 2 sides left divide by 2. You should get 21 for the width of the rectangle

5 0

3 years ago

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