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3 years ago

Ollie says that is 25 is x 1/5 the product is equal to 25 is only correct if not explain why

Mathematics

2 answers:

frutty [35]3 years ago

6 0

It is not.
Here is a start

Hoochie [10]3 years ago

4 0

The product of 25 * 1/5 is not equal to 25. So, Ollie is incorrect here!

Explanation. = 25 * 1/5 = 25/5 = 5

So, it is equal to 5, not 25

Hope this helps!

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Answer: 18 ≤ 6*S ≤ 30

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3 ≤ S ≤ 5

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3 years ago

In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females and 12 of the juniors are males. If a st

Natasha_Volkova [10]

Answer:

P(a junior or a senior)=1

Step-by-step explanation:

The formula of the probability is given by:

$P(A)=\frac{n(A)}{N}$

Where P(A) is the probability of occurring an event A, n(A) is the number of favorable outcomes and N is the total number of outcomes.

In this case, N is the total number of the students of statistics class.

N=18+10=28

The probability of the union of two mutually exclusive events is given by:

$P(AUB)=P(A)+P(B)$

Therefore:

P(a junior or a senior) =P(a junior)+P(a senior)

Because a student is a junior or a senior, not both.

n(a junior)=18

n(a senior)=10

P(a junior)=18/28

P(a senior) = 10/28

P(a junior or a senior) = 18/28 + 10/28

Solving the sum of the fractions:

P(a junior or a senior) = 28/28 = 1

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3 years ago

Simplify (4x-6)-(3x+6)

DaniilM [7]

Answer:

$x-12$

Step-by-step explanation:

First open the brackets

$=(4x-6)-(3x+6)\\\\\\=4x-6-3x-6$

Then collect the like terms

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Solve the like terms

$4x-3x=x\\\\\\-6-6=-12\\\\\\=x-12$

The simplified form is

$x-12$

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3 years ago