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Ivan
3 years ago
14

Debbie has $460 in a savings account that earns 8% annually. If the interest is not compounded, how much interest will she earn

in 5 years? A) $18.40 B) $36.80 C) $184.00 D) $644.00
Mathematics
1 answer:
vitfil [10]3 years ago
5 0
The answer is C.)
since the 8% of $460 is $36.80 
the next 5 years will increase at the same rate
so then you have to multiply 36.80 by 5 which equals $184
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Simplify. (2/5)^4... words to fill in minimum space
Stella [2.4K]
When you have a power to a fraction, you simply take it by the top and then by the bottm.

So, split it into two: (2)^4 and (5)^4

Solve: (2)^4=16
(5)^4=625

So the fraction is: 16/625

Check to see if it reduces: It doesn't. (Odd and even numbers that have no common multiples).

Therefore, that's the answer.
3 0
3 years ago
How to prove that square root of x where x is rational is rational?
Verdich [7]

In general, you cannot prove that because it is not true.

2 is rational. √2 is not.

5 0
3 years ago
What is 2/4 + 4/5 - 7/10 ? Please help
Radda [10]
Make sure they have all common denominators
\frac{2}{4} + \frac{4}{5} - \frac{7}{10}

\frac{2}{4} * \frac{5}{5} = \frac{10}{20}

\frac{4}{5} * \frac{4}{4} = \frac{16}{20}

\frac{7}{10} * \frac{2}{2} = \frac{14}{20}

\frac{10}{20} + \frac{16}{20} - \frac{14}{20}

Add \frac{10}{20} + \frac{16}{20} = \frac{26}{20}
\frac{26}{20} - \frac{14}{20} = \frac{12}{20}

To simplify, you must find the largest common factor which 4
In \frac{12}{20}
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The answer is \frac{3}{5}
7 0
3 years ago
Write a subtraction fact with the same difference as 16-7?
Alona [7]
So, this is asking for any number that subtracts to = 16-7

Well, 16-7= 9 so use any two numbers that would subtract to equal 9

Like so:

11-2=9
18-9=9
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-2-11=9
Etc....

Hope this helps! :)
7 0
3 years ago
Read 2 more answers
An observation deck extends 202 feet out above the valley. The deck sits 152 feet above the valley floor. If an object is droppe
OleMash [197]

Answer:

<h3>3 secs</h3>

Step-by-step explanation:

Given the height of the object as it drops from the observation deck expressed as;

h= -16t^2+152

To determine the the time it will take the object to be 8 feet above the valley floor, we will substitute h = 8 into the equation and calculate t as shown;

8 = -16t^2+152

subtract 8 from both sides

8-8 = -16t^2+152-8

0 =  -16t^2+144

0-144 =  -16t^2

-144 = -16t^2

16t^2 = 144

Divide both sides by 16;

16t^2/16 = 144/16

t^2 = 9

t = √9

t = 3seconds

Hence it will take 3 seconds for the object to be 8 feet above the valley floor

6 0
3 years ago
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