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3 years ago

Monica has 50 animals, 30 of the animals are cats. What percent of the animals are cats

Mathematics

2 answers:

slavikrds [6]3 years ago

7 0

Answer: 60%

Step-by-step explanation: 30/50 = x/100 solve for x is 50x=3000

50/50= x 3000/50 = 60

60=x

equals 60%

Sloan [31]3 years ago

5 0

Answer:

60%

Step-by-step explanation:

A fraction consists of two numbers and a fraction bar:

30/50

The number above the bar is the numerator: 30

The number below the bar is the denominator: 50

Divide the numerator by the denominator to get fraction's value:

Val = 30 ÷ 50

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Consider a political discussion group consisting of 8 Democrats, 5 Republicans, and 5 Independents. Suppose that two group mem

Leya [2.2K]

Answer:

The probability of selecting two Independents is $\frac{10}{153}$ .

Step-by-step explanation:

From the given information it is clear that:

Democrats = 8

Republicans = 5

Independents = 5

Total number of member in the group is

$8+5+5=18$

We need to find the probability of selecting two Independents.

According to binomial distribution the total number of ways to select r items form n items is

$^{n}C_r=\frac{n!}{r!(n-r)!}$

Total number of ways to select 2 members from 18 members is

$\text{Total possible outcomes}=^{18}C_2=\frac{18!}{2!(18-2)!}=153$

Total number of ways to select 2 members from 5 Independents is

$\text{Favorable outcomes}=^{5}C_2=\frac{5!}{2!(5-2)!}=10$

The probability of selecting two Independents is

$p=\frac{\text{Favorable outcomes}}{\text{Total possible outcomes}}$

$p=\frac{10}{153}$

Therefore the probability of selecting two Independents is $\frac{10}{153}$ .

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3 years ago

Which of these is not included in the set of rational numbers?

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Answer:

All non-terminating decimals

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Answer:

Step-by-step explanation:

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If 30 candles is to be made then 5 quart of wax is needed

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3 years ago

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Answer:

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Step-by-step explanation:

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(5x + 10) + (2x + 25) = 28

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