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Lelu [443]
3 years ago
8

True or false? When n is a negative interfere, n-N =0

Mathematics
1 answer:
mylen [45]3 years ago
7 0
It's not true, when subtracting a positive from a negative, for example (-5 - 5) it's like adding the 2 negatives, so it would be -10
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The dean of the School of Fine Arts is trying to decide whether to purchase a copy machine to place in the lobby of the building
tigry1 [53]

Answer:

$34,816.60

Step-by-step explanation:

The computation of the maximum amount of cash should willing to pay for the copy machine by using the present value is shown below:

Present value is

= Incremental\ cash\ flows \times PVIFA\ factor

where,

Incremental cash flows is $14,000 per year

Discount rate is 10%

And, the number of years is three years

PVIFA factor for 10% at 3 years is 2.4869

Refer to the PVIFA factor table

Now placing these values to the above formula

So, the present value is

= \$14,000 \times 2.4869

= $34,816.60

6 0
4 years ago
A square picture frame covers an area on the wall of 361 square inches. What are the dimensions of the picture frame?
seraphim [82]
Answer: is this a multiple choice question? Because A, C & D are both correct!
5 0
3 years ago
PLEASE HELP RIGHT AWAY!!!!!
ella [17]

Answer:

Step-by-step explanation:

The answer to this would be 361.3 feet.

5 0
4 years ago
The area of Louisiana is approximately 4 x
s2008m [1.1K]

Answer:

93,600

Step-by-step explanation:

4x104= 416

416x225 = 93,600

8 0
2 years ago
Jacki plans to pay for the down payment of a new car with her credit card. The annual interest rate for her credit card is 17%.
AlladinOne [14]

very interesting

the equation we are given is for when the units of t are in years

I do know that you want to have the variable as time, but I'm not sure if you want it in years or months

I will solve for in months because that makes more sense

in that case, it will be 2250(1+r)^m where r=monthly interest rate and m=time in months

to compare, we can do

when 1 year has elapsed, t=1 and m=12

and the amount earned should be the same

so therfor we can say

2250(1.17)^1=2250(1+r)^{12}

divide both sides by 2250 to make it easier

1.17^1=(1+r)^{12}

1.17=(1+r)^{12}

take 12th root of both sides

\sqrt[12]{1.17}=1+r

minus 1 both sides

-1+\sqrt[12]{1.17}=r

using a calculator

-1+1.01316961=r

<span>0.01316961=r</span>

<span>not sure if yu want percent to thousandth or decimal to thousandth</span>

<span>if decimal then 0.013 is interest rate</span>

<span>if percent then it is 1.317% interest rate</span>

8 0
4 years ago
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