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Kazeer [188]
3 years ago
10

If you deposit P dollars in a savings account and earn compound interest of r% the value of your deposit after t years in the ac

count can be found using the expression P(1+0.04)t. Find the value of $500 after 7 years in a savings account at 4% interest

Mathematics
2 answers:
bagirrra123 [75]3 years ago
4 0
You practically answered this one yourself by giving some of the equation we need already filled in. It would look like this: A(t)=500(1.04)^7.  Start by taking 1.04 to the power of 7 to get A(t)=500(1.3159).  Finish by multiplying to get
A(t)=$657.97
horrorfan [7]3 years ago
3 0

Answer: the correct answer is

Step-by-step explanation:

i took the test

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X² + 3x -4=0<br> solve by factoring
yaroslaw [1]

Answer:

X=1 and -4

hope this helps you!

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Step-by-step explanation:

tell me if you want/need the explanation why and I'll gladly give it to you.

5 0
3 years ago
(07.01 LC)
Svetradugi [14.3K]

Answer:

1

Step-by-step explanation:

Because 2 times 1 is 2 plus 1 is equal to 3

3 0
3 years ago
Can you show me the answer
nirvana33 [79]

Answer:

which answer?

Step-by-step explanation:

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5 0
3 years ago
Justin is asked to solve the following system of linear equations using the elimination method.
romanna [79]

Alright, lets get started.

Justin is asked to solve the linear equations using elimination method.

By using elimination method means we have to multiply some numbers in our given equations in such a way that the co-efficient of x or y become same in both equations so that we could add or subtract them to cancel one of the term either x or y.

So, given equations are :

5x - 12 = 3

-20x + 14 y = 13

See we have 5x in first equation and -20x in second equation.

So, we try to change 5x into 20 x by multiplying it with 4, both of the equations will have 20 x in common

Lets multiply 4 in first equation

4 * (5x-12y) = 4 * 3

20x - 48y = 12

Now both equations could be added and 20 x will be cancelled out and we could easily find the value of y then solve for x.

So, Justin should try to change 5 so that it will be cancels, so option B  :  Answer

Hope it will help :)


3 0
3 years ago
1400 dollars is placed in an account with an annual interest rate of 5.5%. to the nearest year, how long will it take for the ac
olga_2 [115]

It will take 19 years and 6 months for the account value to reach 2900 dollars

Step-by-step explanation:

Given

Principal amount = 1400 dollars

Rate = 5.5 %

Final value = A = 2900

We have to find t

So,

The formula for simple interest is:

A = P(1+rt)

Putting values

2900 = 1400(1+0.055.t)\\\frac{2900}[1400} = 1+0.055t\\2.071 = 1+0.055t\\2.071-1=0.055t\\1.071 =0.055t

Dividing both sides by 0.055

\frac{0.055t}{0.055} = \frac{1.071}{0.055}\\t = 19.47\ years

Rounding off to nearest tenth

19.5 years

Hence,

It will take 19 years and 6 months for the account value to reach 2900 dollars

Keywords: Interest, simple interest

Learn more about interest at:

  • brainly.com/question/2654504
  • brainly.com/question/2654231

#LearnwithBrainly

6 0
3 years ago
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