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2 years ago

Josh and Raheem both invest some money.

Mathematics

1 answer:

sveticcg [70]2 years ago

4 0

Answer:

Raheem

Step-by-step explanation:

Josh :

using simple interest formula :

Final amount = P(1 + rt)

Final amount = 1200(1 + 0.04*5)

Final amount = 1200(1.2)

Final amount = £1440

Raheem :

Using compound interest formula :

Final amount = P(1 + r/n)^nt

Final amount = 1250(1 + 0.03)^5

Final amount = 1250(1.03)^5

Final amount = £1449.09

Raheem has more money

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Answer:

The probability that she gets all 7 questions correct is 0.0078.

Step-by-step explanation:

We are given that Karri takes a 7 question true-false test and guess on every question.

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$P(X = r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r} ; x = 0,1,2,3,........$

where, n = number of samples (trials) taken = 7 question

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3 years ago

Stu Reese has a $150,000 7½% mortgage. His monthly payment is $1,010.10. His first payment will reduce the principal to an outst

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Given that

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outstanding balance before 1st monthly payment = starting outstanding balance + 0.625% of interest on starting outstanding balance

= 150000 + (0.625 /100) × 150000

= 150000 + 937.5 = $150937.5

Reduction = outstanding balance after one month - first monthly payment

Reduction = $150937.5 - 1010.10 = 149927.40

so out of first payment of $1,010.10 , $937.5 goes towards interest and remaining $72.6 goes towards reduction of principal that is 150000 - $72.6 = 149927.40.

so correct option is B that is $149927.40.

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