3 years ago

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Mathematics

1 answer:

Fed [463]3 years ago

5 0

3 x 5 x 8 =15 x 8 = 120

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Randy won 36 out of 54 games of tic tac toe. what percent of the games did he win

Archy [21]

36/54 = x/100

54x = 100 * 36
54x = 3600
x = 3600 ÷ 54
x = 66.666666.... so 66.67

First put it into a proportion and then cross multiply. After that you divide both sides by 54 to get x alone which gives you 66.66666 which is rounded to 66.67

Answer: 66.67%

7 0

3 years ago

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An unfair coin with Pr[H] = 0.75 is flipped. If the flip results in a head, a student is selected at random from a class of si

Agata [3.3K]

Answer:

72.73% probability of selecting a girl, given the flip resulted inheads

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Coin resulted in heads

Student is selected at random from a class of six boys and sixteen girls.

Desired outcomes:

16 girls, so $D = 16$

Total outcomes:

16+6 = 22, that is, 22 students, so $T = 22$

Probability:

$P = \frac{16}{22} = 0.7273$

72.73% probability of selecting a girl, given the flip resulted inheads

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3 years ago

1/10 of ______ is 10 times as much as 8

koban [17]

The answer is 800.
To find this, multiply 10 times 8 to find the number you are dividing. (80) now, multiply 80 by 10. (800)
1/10 of 800 is 80, which is ten times as much as 8.

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3 years ago

Solve the equation or formula for the indicated variable s=6r^3t for t

harina [27]

This is the answer i cant type it so i just snipped it good luck!!!:)