3 years ago

Simplify this expression. 4p - 7 + 6p + 10 Thanks!

Mathematics

2 answers:

Virty [35]3 years ago

7 0

Answer:

Step-by-step explanation:

because my teacher told me

sergij07 [2.7K]3 years ago

7 0

Answer:

10p + 3

{Group\:like\:terms}

=4p+6p-7+10

{Add\:the\:numbers:}\:-7+10=3

=4p+6p+3

{Add\:similar\:elements:}\:4p+6p=10p

=10p + 3

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Read 2 more answers

1) $38,000 at 9% compounded monthly for 7 years

4vir4ik [10]

Note: Consider we need to find the amount.

Given:

Principal = $38000

Rate of interest = 9% compounded monthly

Time = 7 years

To find:

The amount after 7 years.

Solution:

Formula for amount:

$A=P\left(1+\dfrac{r}{n}\right)^{nt}$

Where, P is principal, r is the rate of interest in decimal, n is the number of times interest compounded in an year and t is the number of years.

The interest is compounded monthly, so n=12.

Putting $P=38000, r=0.09,n=12, t=7$ in the above formula, we get

$A=38000\left(1+\dfrac{0.09}{12}\right)^{12(7)}$

$A=38000\left(1+0.0075\right)^{84}$

$A=38000\left(1.0075\right)^{84}$

$A\approx 71181.67$

Therefore, the amount after 7 years is $71181.67.

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3 years ago