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docker41 [41]
2 years ago
8

Your coin collection totals $24. You have an equal number of nickels, quarters, and half-dollars. How many coins do you have?

Mathematics
1 answer:
Vanyuwa [196]2 years ago
8 0

Answer:

90 coins

Step-by-step explanation:

Nickels = .05

Quarters = .25

half dollars = .50

Since you have an equal number of them, call that x

.05x+.25x+.50x = 24

Combine like terms

.80x = 24

Divide by .8

.80x/.8 = 24/.8

x =30

You have 30 nickes, 30 quarters and 30 half dollars

The total number of coins is

30+30+30 = 90 coins

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HELP! SIMPLIFY!
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1)  (m³n⁵)(mn⁴)
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Simplify.

m⁴n⁹
-------
m⁻³n²

When the bottom power is a negative, you add it to the power on top, & when the power is a positive, you subtract it.

m⁴ + m³ = m⁷

n⁹ - n² = n⁷

So, our answer for #1 is m⁷n⁷

2)  6a²b³
     ---------
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Please read rules in #1.

6 / 4 = 3/2 & a² - a = a

So, our answer is 3a
                               -----
                                 2

3)  5⁶a⁶b³
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5⁶ - 5² = 5⁴ AND a⁶ - a = a⁵ AND b³-b³ = 0

So, our answer is 5⁴a⁵

Simplify 5⁴

5 × 5 × 5 × 5 = 625

So, our final answer is :

625a⁵

~Hope I helped!~
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