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vova2212 [387]
4 years ago
10

Jason has 25 coins in is pocket total change is 505 how many dime and quarters he has?

Mathematics
1 answer:
melamori03 [73]4 years ago
4 0
10x+25y=505
x+y=25

10x+25y=505
-10(x+y)=-10(25)

15y=255
y = 17

Plug back in.

x+17=25

x=8

8 dimes, 17 quarters
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What is 8/10 divided by 1 5/6
sveta [45]
1st change 1 5/6 into a mixed number:
1 5/6 = 11/6

New problem:
8/10 divided by 11/6

to divide fractions you turn the 1st fraction upside down and then change the division sign to a multiplication sign:

8/10 / 11/6
10/8 * 11/6
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5 0
3 years ago
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8 0
3 years ago
Fiona purchased 400 m2 of plastic sheeting and needs to cut it into rectangles of area 500 cm2. This can be done with no waste.
hoa [83]

Answer:

  8000

Step-by-step explanation:

The number will be ...

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Fiona can cut 8000 rectangles from the plastic sheeting she bought.

5 0
3 years ago
Directions: Solve using the FOIL method. Hint: Watch out for any negative signs and follow rules for signed numbers!
Fynjy0 [20]
The solutions for all 15!!
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3.x^2 + 7x + 12
4.x^2 + 13x + 42
5.x^2 + 17x + 72
6.x^2 - 25
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14.x^2 - 3x - 18
15.x^2 + 5x - 50
There hope it helps!
5 0
3 years ago
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