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anzhelika [568]
2 years ago
8

David invested $89,000 in an account paying an interest rate of 3.1% compounded continuously. Assuming no deposits or withdrawal

s are made, how much money, to the nearest ten dollars, would be in the account after 15 years?
Mathematics
2 answers:
Mazyrski [523]2 years ago
8 0

Answer:

141690

Step-by-step explanation:

I just know man

Alex73 [517]2 years ago
6 0

Answer:

140,690

Step-by-step explanation:

89000*1.031^15=140692.188712

                         = 140,690

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Ann [662]
The other person
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2 years ago
Read 2 more answers
Suppose you have a five dollar off coupon at a fabric store you buy a fabric that cost $10 per yard
Lunna [17]
<h3>Answer:</h3>

1.) 10x-5=y

2.) $85

3.) 5.25 yards of fabric.

<h3>Step-by-step explanation:</h3>

1.) To write an equation for this problem, we need to figure out what every value means:

the variable x, represents the amount of yards of fabric you can buy

the variable y, represents the total amount of money after you found out (x) or the amount of yards of fabric.

1 yard of fabric equals $10, and we have a $5 coupon (-5)

Our equation is:

10x-5=y

This equation represents the relationship between the total cost of fabric, and the amount that you can buy.

2. In order to solve this problem we need to use our equation, one value is given which is 9.

9 represents x, the amount of yards of fabric.

Substitute 9 into x:

10(9)-5=y

<h3>Solve:</h3>

90-5=y

85=y

85 represents the cost of 9 yards of fabric, including the $5 coupon.

3.) This problem is similar to #2, although it's flipped.

The value given is $47.50, which represents (y), the total amount of money after (x) was found out.

But, we need to figure out (x).

Substitute $47.50 into (y):

10(x)-5=$47.50

Next, we need to figure out x by solving the opposite.

Adding the coupon to our answer can represent 10(x).

$47.50+5=52.50

10(x)=52.50

Lastly, divide both sides of the equation by 10.

10(x) / 10=52.50 /10

x=5.25

5.25 represents the amount of yards of fabric purchased if you paid $47.50.

7 0
2 years ago
How much more area does a large pizza with a 12in. diameter have than a small pizza with a 8 in. diameter? Round your answer to
USPshnik [31]

Answer:

A is the correct answer.

Step-by-step explanation:

First do 6 times 6 and then do 36 times 3.14 to get 113.04.

Then do 4 times 4 to get 16 times 3.14 for 50.24

Last do 113 minus 50 for 63 squared.

6 0
3 years ago
Drag a statement or reason to each box to complete this proof.
yanalaym [24]

Answer: 2. Linear pair postulate

4. 60 + mACB=180

5. mACB=120

6. definition of obtuse angle

5 0
2 years ago
A function that is continuous over a finite closed interval necessarily have both a maximum and a minimum value over that interv
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False... f(x) = 5 does not have min/max
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