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iren2701 [21]
3 years ago
11

Help me plzz I really need itttt​

Mathematics
1 answer:
saveliy_v [14]3 years ago
4 0

Answer:

Step-by-step explanation:

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What is the final cost of a book priced at $10.00 with a tax rate of 5%?
Sophie [7]

Answer:

10.50

Step-by-step explanation:

5% of 10 is 0.5

0.5+10=10.50

5 0
2 years ago
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. A hat contains 100 coins, where 99 are fair but one is double-headed (always landing Heads). A coin is chosen uniformly at ran
SOVA2 [1]

Answer:0.565

Step-by-step explanation:

Hat contain 100 coins out of which 99 is fair and one is double headed.

Probability of getting 7 heads is sum of Head through fair coin+heads through biased coin

Probability of getting a head through a fair coin=0.5

P(7 heads)=0.99\times 0.5^7+0.01\times 1

P(Double head |7 heads )=\frac{Probability\ of\ 7\ heads\ and\ double\ headed}{probability\ of\ 7\ heads}

P(Double head |7 heads )=\frac{0.01\times 1}{0.99\times 0.5^7+0.01\times 1}

=\frac{0.01}{0.99\times 0.0078+0.01}=0.565

8 0
3 years ago
Five tickets to a baseball game cost $60. how much do 2 tickets cost
bija089 [108]

Answer:

10

Step-by-step explanation:

60/5 = 12

12*2=24

2 tickets are $24

8 0
3 years ago
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Identify each number as rational or irrational.
emmasim [6.3K]

Answer:

1. Rational

2. Irrational

3. Irrational

4. Rational

5. Irrational

Step-by-step explanation:

Rational numbers are numbers you can identify as the ratio of two integers. Which means they don't go on forever. 1 and 4 are both rational numbers while 2, 3, and 5 are irrational.

4 0
2 years ago
What decimal is 8321/100 equal to?
Vera_Pavlovna [14]
83.21.....................
7 0
3 years ago
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