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lesya [120]
3 years ago
8

Barbara puts $500.00 into an account to use for school expenses. The account earns 14% interest, compounded annually. How much w

ill be in the account after 7 years?
Use the formula A = P (1 + r/n) nt where A is the balance (final amount), P is the principal (starting amount), r is the interest rate expressed as a decimal, n is the number of times per year that the interest is compounded, and t is the time in years.

Round your answer to the nearest cent.
Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
4 0

Answer:

the total of 14% of $500.00 is $70

so for 7yrs $70 X 7=$490

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Find the area of the rhombus.<br> 4.32 m2<br> 2.16 m2<br> 1.08 m2<br> 1.05 m2
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Answer:

Step-by-step explanation:

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The part of the diagonals are given as 0.9 m and 1.2 m.

The diagonals of rhombus intersect each other.

Hence the length of diagonals will be : 0.9*2=1.8 and 1.2*2=2.4

The formula of area of rhombus is : \frac{pq}{2} where p and q are the length of diagonals.

So plugging the values of diagonals in formula, the area will be :

Area = \frac{1.8*2.4}{2}

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6 0
3 years ago
4) 8(-2 + 2n) + 3n = 40 +5n
Nikitich [7]

Answer:

use the distributive property to distribute the 8

-16+16n+3n=40+5n

-16+19n=40+5n

-16=40+5n-19n

-16=40-14n

-14n+40= -16

-14n= -16-40

-14n= -56

n= -56/-14

n= 4

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