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elena-s [515]
3 years ago
11

It took Marjorie 15 minutes to drive from her house to her daughter's school. If they school was 4 miles away from her house, wh

at was her unit rate of speed?
Mathematics
2 answers:
notka56 [123]3 years ago
8 0
The answer would be 3.75 miles por minute
mars1129 [50]3 years ago
4 0
The answer is 3.5 unite rate of speed per min
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Compound interest In Exercise,$3000 is invested in an account at interest rate r,compounded continuously.Find the time required
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Answer:

(a) 8.15

(b) 12.92

Step-by-step explanation:

Given: P = $3000, r = 0.085

                A = Pe^{rt}

Where

A is the Amount

P is the Principal

r is the rate

t is the time

(a) For the amount to double, A = 2 × P

               A = 2 × $3000

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               \frac{6000}{3000} = e^{0.085t}

               2 = e^{0.085t}

Take log_{e} of both sides

               log_{e}2 = log_{e}e^{0.085t}

But log_{e}e = 1

            ∴ ln2 = 0.085t

               t = \frac{ln2}{0.085}

               t = \frac{0.693}{0.085}

               t = 8.15

(b) For the amount to double, A = 3 × P

               A = 3 × $3000

               A = $9000

               9000 = 3000e^{0.085t}

               \frac{9000}{3000} = e^{0.085t}

               3 = e^{0.085t}

Take log_{e} of both sides

               log_{e}3 = log_{e}e^{0.085t}

But log_{e}e = 1

            ∴ ln3 = 0.085t

               t = \frac{ln3}{0.085}

               t = \frac{1.0986}{0.085}

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ather went to the front near the crank to start the motor. Father put his thumb against his palm instead of putting it around th
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Taelor and Kael earn $50 for each lawn they mow. This month, they mowed 4 lawns. They
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Traders have invested $ 100,000 in the Peace Garden Center to boost the capital Mogadishu and make a profit. looga farm income to make people come to the door to take the free tickets for different values $ 0.8 adults and 0.6 children. As many as 150 tickets were sold on Friday for $ 102. produce more child tickets than adult tickets?

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Urgent!!!!
LekaFEV [45]

Answer:

One pair of socks is $370.

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