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Dominik [7]
3 years ago
9

How many different ways can you have 50¢ in change using only quarters, dimes and nickels?

Mathematics
1 answer:
aev [14]3 years ago
4 0

I'm pretty sure it's ten.

q = $.25 d = $.10 n = $.05

2q

5d

10n

1q 2d 1n

1q 1d 3n

1q 5n

4d 2n

3d 4n

2d 6n

1d 8n

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A laptop has a listed price of $537.95 before tax. If the sales tax rate is 7.5%, find the total cost of the laptop with sales t
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Answer:

$578.30

Step-by-step explanation:

537.95(.075)= 40.35

$40.35 + $537.95 = $578.30

6 0
3 years ago
Use the figures above how many of each shape can be found when decomposed to find the area?
MrMuchimi
Figure 1  3 rectangles

Figure 2   2 rectangles, 1 triangle

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4 0
3 years ago
Solve the following system of equations. <br> 2x + y = 3 <br> x = 2y - 1
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2(2y-1)+y=3
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3 years ago
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The music you hear when listening to a magnetic cassette tape is the result of the magnetic tape passing over magnetic heads, wh
Elden [556K]

Using the given formula T = LS

And given the time is 3 minutes (3 x 60 = 180 seconds)and the speed is 4-1/2 inches per second:

180 = L x 4-1/2

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The length should be 40 inches.

7 0
3 years ago
You have exatly 200 feet of fencing to enclose 2 adjacent square regions. assuming you use all the fencing provided what will th
bekas [8.4K]
Adjacent so that means 1 wall will be shared

each square has 4 sides,
but they share a side so 4+4-1=7 sides total

200 divided by 7 sides=200/7 ft per side

the area of a square is side^2
side=200/7
so area=(200/7)^2=40000/49
that's for 1 square
times 2
80000/49 square feet
about 1632.6530612244897959183673469388 square feet
rounded is 1633 square feet

7 0
3 years ago
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