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Lubov Fominskaja [6]
2 years ago
5

Andrew took 22 minutes to do 13 math problems. Kiley took 24 minutes to do 12 math problems. Which student did more problems per

minute?
Mathematics
2 answers:
garri49 [273]2 years ago
8 0

Answer:

Kelly did more math problems.

Step-by-step explanation:

Andrew - 22/13= 1.69

Kelly - 24/12= 2

velikii [3]2 years ago
4 0

Answer:

Kiley did more math problems

Step-by-step explanation:

Andrew: 22 mins x 13 problems = 286 problems

Kiley: 24 mins x 12 minutes = 288 problems

288 is greater than 286

Give Brainliest now please (jk)

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If 6000 dollars is invested in a bank account at an interest rate of 9 per cent per
Volgvan

Answer:

(1) $11955.38

(2) $12228.62

(3) $12293.527

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Step-by-step explanation:

Compound interest is given by

A= P( 1 + r/n)^n*t

A= Final amount

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r = interest rate  = 9% = 0.09

n = number of times interest applied per time period

t = number of time periods elapsed

(1) Compounded annually

    n = 1 , t = 8

    A = 6000( 1+ 0.09/1) ^1*8

     A = 6000( 1.09) ^8 = $11955.38

(2) compounded quarterly

    n = 4 , t = 8

A = 6000( 1+ 0.09/4) ^4*8

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(3) compounded monthly

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(4) compounded continuously

       A = P* e^rt

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5 0
3 years ago
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A department store sold 34 shirts one day. All short-sleeved shirts cost $11.00 each and all long-sleeved shirts cost $21.00 eac
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S + l. = 34
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-11s - 11l= -374
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10l = 140

l = 20 long sleeve shirts

s + 20 = 34

s = 14 short sleet shirts
5 0
3 years ago
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