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docker41 [41]
3 years ago
9

How much money should be invested in an account that earns 9% interest, compounded monthly, in order to have $13,000 in 4 years?

Mathematics
1 answer:
Triss [41]3 years ago
5 0

Answer:

Computation of the money that has to be invested:

Hence, the money that has to be invested is $8,303.10...

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What is 4,7,12,19,28 in quadratic form
Naddik [55]
Asked and answered elsewhere.
brainly.com/question/9247314

You obviously don't mind using "technology" (Brainly) to answer these questions. A graphing calculator can do quadratic regression on the sequence and tell you its formula.

If you want to do it by hand, you can write the equation
.. y = ax^2 +bx +c
and substitute three of the given points. Then solve the resulting three linear equations for a, b, and c.
.. 4 = a +b +c
.. 7 = 4a +2b +c
.. 12 = 9a +3b +c

Subtracting the first equation from the other two reduces this to
.. 3 = 3a +b
.. 8 = 8a +2b
The latter can be divided by 2, so reduces to
.. 4 = 4a +b
Subtracting the first of the reduced equations from this, you have
.. 1 = a
so
.. 3 = 3*1 +b
.. 0 = b
and
.. 4 = a + b + c = 1 + 0 + c
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And your equation is
.. y = x^2 +3 . . . . . . as shown previously

7 0
3 years ago
The square root 5 lies between which two whole numbers
marshall27 [118]

Answer:

2 and 3

Step-by-step explanation:


8 0
4 years ago
Read 2 more answers
How do I ace a test that I am not prepared for?
Morgarella [4.7K]
You either start studying now or you fake it and guess and get lucky or you cheat

4 0
3 years ago
I NEED HELP FAST!! PLZ. ​
adoni [48]
The answer is z = 4 because of you put 4 into the equation it equals to 100
3 0
3 years ago
M∠A = 75 + 5x
Firlakuza [10]

Answer:

See below

Step-by-step explanation:

For a parallelogram m < A = m < C so:-

75 + 5x = 87 + 3x

2x = 12

x = 6  

and m< A = 75 + 30 = 105

and m < C = 87 + 18 = 105

Now if the other 2 angles are  = 75 degrees( that is the same side angles add up to 180 degrees) we have proved that it is a parallelogram.

m < B = m < D

111 - 6x = 39 + 6x

-12x = -72

x = 6

m < B = 111 - 36 = 75 and m < D = 39 + 36 = 75

So this has been proved.

6 0
3 years ago
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