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arsen [322]
2 years ago
12

-8x - 10y = 24 6x + 5y = 2​

Mathematics
2 answers:
maksim [4K]2 years ago
6 0

Answer:

y= -8 x= 7

Step-by-step explanation:

iris [78.8K]2 years ago
3 0

-8x - 10y = 24

6x + 5y = 2

-8x - 10y = 24

12x + 10y = 4

4x = 28

x = 7

6(7) + 5y = 2

42 + 5y = 2

5y = -40

y = -8

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6. A sporting goods store receives an order of 100 baseball caps, of which 22 are green. If 1 of
Taya2010 [7]

Answer:

\text{A. }39/50

Step-by-step explanation:

The probability that a randomly selected cap will not be green is equal to the number of non-green caps divided by the total number of caps.

Since there are 100 caps total and 22 are green, there must be 100-22=78 non-green caps.

Divide this by the total number of caps (100) to get the probability that a randomly selected cap will not be green:

\frac{78}{100}

Simplify by dividing both the numerator and denominator by 2:

\frac{78}{100}=\boxed{39/50}

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3 years ago
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X would be equal to 0 while y would be equal to -1
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3 years ago
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Elan Coil [88]
A collection of nickels and dimes is worth $4.40. There are 53 coins in all. How many nickels are there?

Nickel is a US coin worth 5 cents or 0.05.
Dime is a US coin worth 10 cents or 0.10

n + d = 53
0.05n + 0.10d = 4.40

n = 53 - d
0.05(53 - d) + 0.10d = 4.40  
2.65 - 0.05d + 0.10d = 4.40
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n = 53 - d
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0.05n + 0.10d = 4.40
0.05(18) + 0.10(35) = 4.40
0.90 + 3.5 = 4.40
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2 years ago
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