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4vir4ik [10]
3 years ago
6

A bag contains 4 types of coins. - 2 Pennies - 2 Nickels - 2 Dimes - 4 Quarters A coin will be randomly selected from the bag. W

hat is the probability in decimal form the coin selected will be a quarter? (Hint: Write your probability as a fraction first, then convert to a decimal.)
Mathematics
1 answer:
Viefleur [7K]3 years ago
7 0

Answer:

0.4

Step-by-step explanation:

possible outcomes = 2+2+2+4=10

favourable = 4

4/10 = 2/5

2/5 = 0.4

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What is the product of (x − 3) and (x + 7)?
NeX [460]

Answer:

The product of (x-3) and (x+7) is x² + 4x - 21

Step-by-step explanation:

The product of (x-3) and (x+7) is x² + 4x - 21

The product of (x - 3) and (x + 7) can be found as follows:

(x - 3)(x + 7)

open the bracket by multiplying

Therefore,

x(x) +x(7) - 3(x) - 3(7)

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3 0
2 years ago
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3 years ago
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Use substitution to solve the system<br><br> 2y - 8 = x<br><br> 2x + 3y = -2
devlian [24]

Answer:

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2*(2y-8)+3y= -2

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7y=14

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Step-by-step explanation:

7 0
3 years ago
Please help me ASAP (6^0)^X =1
NARA [144]

Answer:

X = 0

Step-by-step explanation:

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If you would like more help on math or other subjects for FREE, check out growthinyouth.org.

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