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Basile [38]
3 years ago
8

$500 principal earning 4% compounded quarterly, after 6 years.

Mathematics
1 answer:
tester [92]3 years ago
3 0
A=p (1+I/k)^kn
A=500×(1+0.04÷4)^(4×6)
A=634.87
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What is the root of the polynomial equation x(x-2)(x+3)=18 ? Use a graphing calculator and a system of equations.
Hoochie [10]

Answer:

3 is the root of the equation.

Step-by-step explanation:

We have to find the root of the polynomial equation x(x-2)(x+3)=18.

We can find the same by using a graphing utility and the system of equations.

We can make two equations which are given by

y=x(x-2)(x+3)....................(1)\\\\y=18

Now, we plot the graph of these equations and the x-coordinate of the intersection point will be the root of the equation.

the graph has been shown in the attached file.

The intersection point is (3, 18) and the x-coordinate is 3.

Therefore,  3 is the root of the equation.

5 0
3 years ago
Read 2 more answers
A collection of 108 coins containing only quarters and nickels is worth $21 wich value could replace q on the chart?
Greeley [361]

Answer:

There would be 30 nickels and 78 quarters.

Step-by-step explanation:

To find this, start by creating a system of equations in which x is the number of nickels and y is the number of quarters. Make the first equation the total number of coins.

x + y = 108

Make the second equation based on the value.

.05x + .25y = 21

Now multiply the second equation by -4 and add together to get the y value to cancel.

x + y = 108

-.2x - y = -84

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.8x = 24

x = 30

Now use this value to find y.

x + y = 108

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y = 78

5 0
3 years ago
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Gas and oil costs = $1,100.00 Repair/Maintenance = $800.00 Operating cost per mile = $0.14 Miles driven =
Greeley [361]
Hi there

Miles driven=
(1,100+800)÷0.14
=13,571 miles

Hope it helps
8 0
2 years ago
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What is 4 over 10 plus 88 over 100
denpristay [2]

Answer:

1.28

Step-by-step explanation:

4/10 + 88/100

so this is unlike denominators so

4 times 10 and 10 times 10 equal to 40/100

so 40/100 + 88/100 equal to 128/100 so we simplify 128÷2 and 100÷2 equal to 64/50 and 64÷2 and 50÷2 equals 32/25 we do long division then it is equal to 1.28

6 0
2 years ago
The outlier, 78, is removed from the data set shown. 23, 23, 25, 27, 34, 34, 35, 41, 45, 45, 78 How does this affect the range?
GrogVix [38]

The range is decreased by 33.

5 0
3 years ago
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