2 years ago

A drop of water leaks from a faucet at a rate of 5-5 liters per second

Mathematics

1 answer:

tester [92]2 years ago

7 0

Answer:

what's the question??zz

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Oakley charged $795 to his credit card last month. What is the first minimum payment he must make? (2 points)$25.00

DaniilM [7]

Answer:

$31.80

Step-by-step explanation:

<u><em>The complete question is</em></u>

Use the details of Oakley's new credit card to answer the question that follows. APR 11.9% compounded monthly Grace Period 28 days Minimum Payment 4% of the remaining balance or $25, whichever is higher Oakley charged $795 to his credit card last month. What is the first minimum payment he must make?

step 1

Find out the 4% of the balance of $795

$0.04(795)=\$31.80$

$\$31.80 >\$25$

This amount is higher than $25,

therefore

The first minimum payment he must make is $31.80

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24 question thank you

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Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 180

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Mary has 135 coins and John has 45 coins.

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The area of a circle is increasing at the rate of pi cm^(2)/min. At what rate is the radius increasing when the area is 4pi cm^(

Vikentia [17]

This problem deals the rate of change.
For the formula of the area of a circle, we differentiate both sides with respect to time t.
(A = πr^2) d/dt
dA/dt = 2πr (dr/dt)

Since we don't know yet the radius r, the area of a circle is given.
A = πr^2
r^2 = A/π = 4π/π
r^2 = 4
r = 2 cm

Therefore, the rate of the radius is
dA/dt = 2πr (dr/dt)
dr/dt = (dA/dt)/(2πr)
dr/dt = π/(2π*2)
dr/dt = 0.25 cm/min

Hope this helps.

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3 years ago