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AleksAgata [21]
3 years ago
7

Find the intersection of the following sets.

Mathematics
1 answer:
bija089 [108]3 years ago
3 0
Intersection means "AND" so whats in the first set AND in the second set.  look for the numbers that are in both sets. 
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:( I Need help! Show work please! Aviva has a total of 52 coins, all of which are either dimes or nickels. The total value of th
Jet001 [13]

Answer:

42 Dimes, 10 Nickels.

Step-by-step explanation:

Dimes are worth $0.10, nickels are worth $0.05.

If D = number of dimes, and N = number of nickels, then the following equations are true:

0.10D + 0.05N = 4.70

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Next, let's multiply the first equation by 10 so that we can subtract the second one from it.

D + 0.50N = 47

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Subtracting the second equation from the first one gives:

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Finally, substitute N in the original second equation to find D.

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D + 10 - 10 = 52 - 10

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3 years ago
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8 0
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hammer [34]

Answer:

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Step-by-step explanation:

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Answer:

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Now, the quotient of power rules says that the numbers that have same base can be find by subtracting if powers are with same sign

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We will solve equation (1) by this quotient of power rule.

So, it can be rewritten as:

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