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3 years ago

5

Please help me with Number three

2 answers:

yarga [219]3 years ago

7 0

Answer:

25%

Step-by-step explanation:

Novosadov [1.4K]3 years ago

4 0

Answer:

25%

Step-by-step explanation:

Originally if you have one penny and if the question were to ask you the probability of it landing on heads you would have a 50 50 chance because there are two sides, but since you have two coins a penny and an nickel you have to have them both flipped to heads so it would be a 25% percent of a chance if BOTH coins land on heads :)

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A change purse contains an equal number of pennies, nickels, and dimes. the total value of the coins is 512 cents. how many coin

sammy [17]

Let

x---------> the total number of coins

we know that

512 cents-------> is equal to $5.12

1 penny is equal to $0.01

1 nickel is equal to 5 penny--------> $0.05

1 dime is equal to 2 nickel--------> $0.10

$\frac{x}{3}*0.01+ \frac{x}{3}*0.05+\frac{x}{3}*0.10=5.12$

$\frac{x}{3}*[0.01+0.05+0.1]=5.12 \\\\x*[0.16]=15.36 \\\\ x=\frac{15.36}{0.16} \\\\x= 96\ coins$

the total number of coins are 96

Divide 96 by 3 to obtain the number of coins of each type

therefore

<u>the answer is</u>

the number of penny coins are $32$

the number of nickel coins are $32$

the number of dimes coins are $32$

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fenix001 [56]

Answer:

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Step-by-step explanation:

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Simplify. (-2/3) - (3/5)

yKpoI14uk [10]

Okay so here you go

<span>Decimal Form: -1.266667
</span>
Fraction form: -19/15

hears how:
Simplify brackets
-2/3 - 3/5

Simplify: -19/15

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Step-by-step explanation:

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