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Crank
3 years ago
10

What should Equation B be multiplied by in order to eliminate the y variable in the system?

Mathematics
1 answer:
german3 years ago
5 0
Multiply equation B by 5
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If a pound of apples cost $2.90 how much would 2.4 lbs cost
polet [3.4K]

$6.96   $2.9 x 2.4=$6.96

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3 years ago
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NEED ANSWERS ASAP
Ray Of Light [21]
If it's most likely A. or B.

Correct me if I'm wrong.

But, I hope this helps!
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What is the equivalent expression for a (4-a)-5(a-7)
balu736 [363]

Answer:

39-6a

Step-by-step explanation:

(4 - a) - 5(a - 7)               Distribute the -5 throughout (a-7)

4 - a - 5a + 35                  Combine like terms

4 + 35 - a - 5a

39 - 6a

6 0
3 years ago
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If the ratio of bananas to apples is 2:1 and there are 24 apples, how many bananas are there?
Phantasy [73]
Bananas to apples = 2:1
bananas = 2×24
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5 0
3 years ago
A cylindrical tank holds 20,000 gallons of water, which can be drained from the bottom of the tank in 20 minutes. The function g
IgorLugansk [536]
You didn't include the function.

If the function is, V = 20,000 (1 - t/20)^2, as you can see, for t = 20, V = 0

Then I am going to show you the work with that function, and you can use the same procedure with your own fucntion.


The rate of change of the volume is the derivative of the function with respect to the time.

[dV/dt] = 20,000 *2 [1 -t/20] * [-1/20] = - 2000 [1 - t/20] = 2000[t/20 - 1]

At t = 3

dV/dt = 2000[3/20 - 1] = -1700 gallons / min

The negative sign mean decreasing.

The answer is - 1700 gallons / min

Now, for the same function, if the time is t = 2, you would obtain one of the results of the list of options.

dV/dt = 20,000 [2/20 - 1] = -1800 gallons/minute, which is the option D of the list.



3 0
3 years ago
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