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2 years ago

what is the difference between multiplying fractions and adding/subtracting fractions? complete sentances pleaseo

Mathematics

1 answer:

jok3333 [9.3K]2 years ago

6 0

Answer:

See explaination for answer! Hope this helps!

Step-by-step explanation:

When multiplying and deviding, you are raising them or lowering them by a certain degree, but adding or subtractions is just combining two fractions.

Just to quickly explain the "combining" aspect, during subraction, you are combining a positive with a negative.

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Simplify. -(6x + 3y) - (x + y)

Arlecino [84]

Answer:

(-6x -3y ) -x-y

-6x-x-3y-y

5x +2y

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3 years ago

Please help i need to finish this!!

s2008m [1.1K]

Answer:

20 inches x 26 inches

Step-by-step explanation:

set up an equation: (2x)(x+7)=520

now just solve it

2x^2+14x=520

x^2+7x-260 = 0

factor: (x-13)(x+20)

x = 13 and -20

13 is the only one that works because you can't have a negative side length

13+7=20

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3 years ago

You have a spinner with the following colors 2 yellow, 4 red, and 2 orange. What is the likelihood of the spinner landing on RED

mrs_skeptik [129]

Answer:

Step-by-step explanation:

6 0

3 years ago

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Write an equation that represents this comparison sentence. 24 is 4 times as many as 6

Butoxors [25]

Answer:6 x 4 = 24

Step-by-step explanation:

im not sure what was so hard

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3 years ago

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4. Five cards are randomly chosen from a deck of 52 (13 denominations with 4 suits). a. How many ways are there to receive 5 car

yan [13]

Answer:

There are 2,598,960 ways to receive 5 cards from a deck of 52.

Step-by-step explanation:

The order in which the cards are chosen is not important, which means that the combinations formula is used to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

a. How many ways are there to receive 5 cards from a deck of 52?

$C_{52,5} = \frac{52!}{5!(47)!} = 2598960$

There are 2,598,960 ways to receive 5 cards from a deck of 52.

4 0

2 years ago