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Basile [38]
3 years ago
6

If a new college graduate wants a car costing $21,000, how much must be saved annually over the next four years if the funds ear

n 5%?
Mathematics
1 answer:
fgiga [73]3 years ago
8 0
I'm assuming the funds earn 5% yearly?

Call x the amount he saves every year.  The first year's deposit will be multiplied by 1.05 three times, the next will be multiplied by 1.05 twice, the third will be multiplied by 1.05 once, and the fourth will not generate interest (as it will immediately be used to buy the car).

Therefore, x(1.05^3+1.05^2+1.05+1)=21000, so 4.31x=21000.  Dividing by 4.31, we see that x is approximately equal to 4872.
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3 0
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4 0
3 years ago
the rocket car was already going 190 mph when the timer started his watch how fast is mph was the rocket car going seven minutes
Lilit [14]

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Step-by-step explanation:

8 0
3 years ago
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Which number is halfway between 3/4 and 3/5 ?<br> PLEASE HELP QUICK
just olya [345]

Answer:

13/20

Step-by-step explanation:

I got it right on my quiz :p

7 0
3 years ago
Cube shaped boxes of tissues are shipped to stores in containers. The containers are rectangular prisms. The edges of each tissu
miskamm [114]
I will first calculate the volume of the tissue boxes, that are cubes.

Volume = Base Area x Height

The base area of a cube is a square so:
Base Area (Square) = L^2

In the cube, all sides have the same measure so the height is also L.

L = 6.5 in

Volume (Cube) = L^2 x L = L^3
-> Volume (Cube) = (6.5)^3
-> Volume (Cube) = approximately 275 in^3

Now calculate the Shipping Container volume:
*Represented on the photo, sorry for the bad drawing

The shipping container is a rectangle prism, every rectangle prism have on the base a square, and a square must have every sides with the same measure, knowing that, we know that the two 19.5 inches measures in the question is the length and width of the square. And the 39 inches measure is the Height of the prism.

Base Area (Square) = L^2 = (19.5)^2 = 380,25 in^2 = approx. 380 in^2
Height = 39 in

Volume = Base Area x Height
-> Volume (Prism) = 380 x 39 = 14,820 in^3

Now, to find the greatest number of tissue boxes (cubes) that fit into one container, you just need to divide the container volume by the cube volume and the quotient will be the number of tissue boxes into the container.

Cube's Volume = 275 in^3
Rectangular Prism's Volume = 14,820 in^3

14820 \div 275 = 53.8909....
Answer: 53 tissue boxes.

5 0
3 years ago
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