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inessss [21]
3 years ago
6

12. Solve this equation for A: A ÷ 2 = 4

Mathematics
2 answers:
sweet [91]3 years ago
5 0
A=8. Hoped this has helped you.
Sever21 [200]3 years ago
4 0
<em>To find the answer, just do the inverse. That is, do 4×2. 4×2=8 and 8÷4=2. So A=8.</em>
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Brittany will be working full time this summer to save for her goal of having 10,000 by the time she is 21. Brittany has an acco
photoshop1234 [79]

Answer:

$ 8,695.35

Step-by-step explanation:

This is a compound interest question

Amount after t years = A = P(1 + r/n)^nt

Where P = Initial Amount saved

r = interest rate

t = time in years

n = compounding frequency

A = 10,000

r = 3.5 %

t = 21 - 17 = 4 years

n = Compounded monthly = 12

Step 1

Converting R percent to r a decimal

r = R/100 = 3.5%/100 = 0.035 per year.

P = A / (1 + r/n)^nt

Solving our equation:

P = 10000 / ( 1 + (0.035/12)^12 ×4 =

P = $8,695.35

The principal investment required to get a total amount, principal plus interest, of $10,000.00 from interest compounded monthly at a rate of 3.5% per year for 4 years is $8,695.35.

8 0
3 years ago
In September, a greeting card company's total profit was 22% less than it was in august. The total profit for the two months was
Trava [24]
Profit for August: x
Profit for September: x - 22%x
Total Profit for August & September: $689,000

x + x - 22% x = 689,000

2x - .22x = 689,000
1.78x = 689,000
x = 689,000/1.78
x = 387,078.65

August Profits: $387,078.65
September Profits: 387,078.65 - (22%)(387,078.65) = 387,078.65 - 85,157.30 = 301,921.35

August Profits: $387,078.65

September Profits
$301,921.35
5 0
3 years ago
Express 0.24 as a percent
Hatshy [7]

Answer: 24%

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Put this least to greatest; 0.5,0.05,5/8 HELP PLEASE
Margarita [4]
0.05, 0.5, 5/8 

5/8 is greater than 0.5 since 0.5 = 1/2 which equals 4/8
7 0
3 years ago
One number is 7 more than another. The difference between their squares is 161. What are the numbers?
olga nikolaevna [1]
Let's say the numbers are "a" and "b"

now, we know one of them is 7 more than the other, so hmmm let's say "b" is 7 more than "a", so b = a + 7

the difference of their squares is 161, alrite

\bf a^2-b^2=161\qquad b=a+7\implies a^2-(a+7)^2=161&#10;\\\\\\&#10;a^2-(a^2+14a+49)=161\implies \underline{a^2-a^2}-14a-49=161&#10;\\\\\\&#10;-14a-49=161\implies -49-161=14a\implies -210=14a&#10;\\\\\\&#10;\cfrac{-210}{14}=a

and surey you know how much that is

now, what's "b"? well, b = a + 7
3 0
3 years ago
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