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2 years ago

How do you multiply fractions with cross canceling<br />

1 answer:

5 0

3 9
_ * _
15 6

Compare diagonally to see if they the 2 numbers simplify.

Ex:

3 and 6 Simplify to 1 and 2 because they are both multiples of 3.

9 and 15 Simplify to 3 and 5 because they are both multiples of 3 as well.

Now our fractions are

1 3
_ * _
5 2

Now multiply across to get your final fraction/answer

3
_
10

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In a class of 50 students, everyone has either a pierced nose or a pierced ear. The professor asks everyone with a pierced nose

Tems11 [23]

Answer: 3

Step-by-step explanation:

Let E be the event of that student pierces ear and N be the event of that student pierces nose.

Given: $n(E\cup N=50)$

$n(E)=46\\\\n(N)=7$

For any two event A and B, we have

$n(A\cup B)=n(A)+n(B)-n(A\cap B)$

Similarly , $n(E\cup N)=n(E)+n(N)-n(E\cap N)$

$50=46+7-n(E\cap N)\\\\\Rightarrow\ n(E\cap N)=53-50=3$

Hence, 3 students have piercings both on their ears and their noses.

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3 years ago

Pls help its due today if it's correct I'll make you Brainliest!!!!

oee [108]

Answer:

b or c

Step-by-step explanation:

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2 years ago

Read 2 more answers

Y=2x-15 y=5x what the x equals

daser333 [38]

Answer:

16y=13x

Step-by-step explanation:

this honestly doesn't make sense but this is as much as i could simplify

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3 years ago

A 2-quart carton of soy milk costs $3.80. What is the price per pint?

melomori [17]

Answer: .95

Step-by-step explanation: There are 2 quarts and in each quart there are 2 pints. 1 quart would cost $1.90 and half of that which would be a pint is .95.

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3 years ago

You are to demonstrate that you understand what represents a function and what does not represent a function. You may do this by

My name is Ann [436]

We know that functions are mathematical entities that assign unique outputs to given inputs. In other words, a function can't have repeated values in the input repeated x-value.

For example consider the relation {(1,4), (1,5), (2,6), (3,7), (4,8), (5,9)}.

We see that above relation has repeated x-value "1" which is assigned to two different output values 4 and 5. So by definition of function, above relation can't be a function.

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2 years ago