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3 years ago

11

The expression means 15 minus the product of 5 times the difference of p minus 6. If p = 8, then the value of the expression is

.

1 answer:

MA_775_DIABLO [31]3 years ago

3 0

Answer:

5

Step-by-step explanation:

from the question:

15-5(p-6)

when p=8,

=15-5(8-6)

=15-5(2)

=15-10

=5

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3 years ago

How to solve this question

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R.H.S:

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3 years ago

a person invest in 9000 in a bank. the bank pays 5% interest compounded semi annually. to the nearest tenth of a year, how long

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Answer:

10.1 years.

Step-by-step explanation:

It is given that,

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No. of times interest compounded = 2 times in an year

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$A=P(1+\frac{r}{n})^{nt}$

where, P is principal, r is rate of interest, n is no. of times interest compounded in an year and t is time in years.

Substitute the given values in the above formula.

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Taking log both sides.

$\log(1.644)=\log(1.025)^{2t}$

$\log(1.644)=2t\log(1.025)$ $[\because \log a^b=b\log a]$

$\frac{\log(1.644)}{2\log(1.025)}=t$

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