3 years ago

How are adding and subtracting rational expressions different from multiplying

1 answer:

3 0

Answer:

If the two rational expressions that you want to add or subtract have the same denominator you just add/subtract the numerators which each other. When the denominators are not the same in all expressions that you want to add or subtract as in the example below you have to find a common denominator.

Step-by-step explanation:

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What is 175-(64-32)+(8÷3)÷200

andreev551 [17]

Answer:

10726 /75

Step-by-step explanation:

175−(64−32)+8/3/200

=175−32+8/3/200

=143+8/3/200

=143+1/75

=10726 /75

4 0

3 years ago

If a table and a bench is $1000 combined. The cost of the table is three times the cost of the bench. What is the cost of the be

attashe74 [19]

1,000= 3x+x. 1,000=4x. 250=x. 1,000= 3(250) +250. 1,000=750+250. The bench costs $250.

5 0

3 years ago

Given x=-3, y=6, and z=-4 xz/-2y

zimovet [89]

Answer:

-1

Step-by-step explanation:

sub in the values of x, y and z into the equation

you get:

(-3)(-4)/(-2)(6)

= 12/-12

= -1

8 0

3 years ago

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You want to put $8,000 in a simple interest account. It has a 2% annual interest rate. How long must you invest that money to ea

Nutka1998 [239]

Answer:

2.5 years

Step-by-step explanation:

Interest= P×R×T÷100

T= 100I÷P×R

T= 100×400÷8000×2

T= 40000÷16000

T= 5÷2

T= 2.5 years

5 0

3 years ago

Can you help me? xy - 5 at x = 5, y = 2( pls show work)

r-ruslan [8.4K]

Answer:

Step-by-step explanation:

xy-5

plug in 5 for x and 2 for y

5*2-5

multiply

10-5

subtract

4 0

2 years ago

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