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mina [271]
3 years ago
5

Linda pumped 28 gallons of water out of her pool. This was done over a period of 4 minutes at a constant rate. What was the chan

ge in the amount of water in the pool each minute?
Mathematics
1 answer:
Lostsunrise [7]3 years ago
6 0

Answer: 7 gallons per minute

Step-by-step explanation:

Since this is at a constant rate we can use division. 28 gallons of water over the course of 4 minutes. To find the average per minute u would divide 28 by 4 to get 7

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Question 5 (1 point)<br><br> Write an equivalent expression for (m + 4n) - 2.5m
aliina [53]

Answer:

-1.5m + 4n is the equivalent expression

Step-by-step explanation:

To find the equivalent expression, we combine the like terms.

We are given the following expression:

m + 4n - 2.5m

Combining the like terms:

m - 2.5m + 4n

-1.5m + 4n is the equivalent expression

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3 years ago
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Novay_Z [31]

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The students in Steven's class got to choose between pizza and burgers for the
Rainbow [258]
Answer:
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Step-by-step explanation:
We can get this answer by following a few different steps. Firstly, we need the total amount of students. We get this number by adding the amount of students who wanted pizza (19 students) and the amount of students who wanted burgers (1 student). When we add those we get the total number of students, which is 20. Now, we can set up a fraction to see what amount of students out of the total number of students wanted pizza.
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To turn this, or any other decimal, into a percentage you multiply by 100%.
So, multiply 0.95 x 100% = 95%

Hope this helps :)
4 0
2 years ago
1.5/4x-1=0.4/x+4 PLZ HELP PLZ HELP GIVING 7 POINTS
Damm [24]

Answer: x

x =  100 + 32 √10 (15)

Step-by-step explanation: Solve the rational equation by combining expressions and isolating the variable  x.

7 0
3 years ago
Read 2 more answers
I need help please ?!!
melomori [17]

the answer is b because the answer for both of them is -39. you might also want to look into the sign rules in algebra bb :)

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