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jeyben [28]
1 year ago
15

A 40-inch piece of rope is cut into 4 equal pieces. How long is each piece in feet?

Mathematics
2 answers:
MakcuM [25]1 year ago
7 0
10 feet because 40 divided by 4 is 10
Kryger [21]1 year ago
6 0

Answer: 10

Step-by-step explanation:

Just divide 40 by 4 and you get 10

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Answer:

If A(t) represents the amount of salt in the tank at time t, the correct differential equation for A is is dA/dt =  15 - 0.005A

Option C) dA/dt =  15 - 0.005A is the correction Answer

Step-by-step explanation:

Given the data in the question;

If A(t) represents the amount of salt in the tank at time t, the correct differential equation for A is?

dA/dt = rate in - rate out

first we determine the rate in and rate out;

rate in = 3pound/gallon × 5gallons/min = 15 pound/min

rate out = A pounds/1000gallons × 5gallons/min  = 5Ag/1000pounds/min

= 0.005A pounds/min

so we substitute

dA/dt = rate in - rate out

dA/dt =  15 - 0.005A

Therefore, If A(t) represents the amount of salt in the tank at time t, the correct differential equation for A is is dA/dt =  15 - 0.005A

Option C) dA/dt =  15 - 0.005A is the correction Answer

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