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nordsb [41]
3 years ago
9

What is the compound interest on investing $600 for 3 years at 7% per annum? ​

Mathematics
1 answer:
Marysya12 [62]3 years ago
5 0

Answer:

About $735.03

Step-by-step explanation:

The compound interest formula is A=P(1+r/n)^nt

P is the original amount (principal)

r is the rate

n is the number of times compounded (1 for this one since it is annual)

and t is the time compounded

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McBurger has about 1.9 x 106 employees and each makes on average 25,000 dollars per year
svlad2 [7]

Answer:

??? No solution???

Step-by-step explanation:

1.9x106=201.4

201.4x25000=5035000

5035000=5.035x10^6

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3 years ago
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PLEASE HELP ASAP OF YOU DO FOD BLESS YOU BECAUSE IT WILL RAISE MY GRADE
Sati [7]

Answer:

8

Step-by-step explanation:

The basic form of the equation is y=mx+b. The b stands for the y-intercept. In this equation, 8 is b due to its position in the equation, and -8/7 is m. Since we know that 8 is b and that b is the y-intercept, we know that 8 is the y-intercept.

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2 years ago
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A thermometer is taken from an inside room to the outside, where the air temperature is 20° f. after 1 minute the thermometer re
fomenos

The change in the temperature is proportional to the difference in temperatures. Let's call the initial temperature of the room and the thermometer E_0 and the current temperature E(t) where t is the elapsed time in minutes.  The outside temperature is 20 F.

Newton's Law of Cooling:

E(t) - 20 = (E_0 - 20) e^{- k t}

We're given E(1)=70 \textrm{ and } E(5)=45

70-20 = (E_0 - 20) e^{-k}

45-20 =(E_0 - 20) e^{-5k}

Dividing,

\dfrac{50}{25}=e^{4k}

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Now,

E(t) - 20 = (E_0 - 20) e^{- k t}

E_0 = 20 + (E(t) - 20)e^{k t}

E_0 = 20 + (E(1) - 20)e^{k}

E_0 = 20 + (70 - 20)e^{\ln 2/4}

E_0 = 20 + 50 \cdot 2^{1/4} \approx 79.46 \textrm{ degrees F}


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4 years ago
there are 93 calories in a small cupcake. how many calories are there in a half dozen small cupcakes?
zmey [24]

Answer:

6

Step-by-step explanation:

6 0
2 years ago
Please help, if u get it right i will give u brainliest
padilas [110]

Answer:

2.27%

Step-by-step explanation:

Lets start by making the names letters, J C and A respectively.

The total is 44 dollars. J paid 34%, which would be 14.96. He pays a total of $15. C paid 50%, which is 22 dollars. A pays 17%, which would be 7.48. She pays a total of $8.

15 + 8 + 22 = $45, meaning they paid an extra 1 dollar. One dollar is 1/44th of $44, or 2.27%.

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