Common denominator of 2/5 and 1/10

2 answers:

8 0

Answer:

Okay, we have two different fractions that have a different denomiantor (denominator is the second number or the one on the bottom of each fraction or ratio!) so you need to multiply to get the common one so 5 x 10 equals 50 right so now this would be 2/50 and 1/50!
Hope I helped! :D

olga2289 [7]3 years ago

3 0

The common denominator of 2/5 and 1/10 is 10

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I need help wit one & two please help

seropon [69]

23 is less than 25 which means it's closer to 20, so you would round it down to 20. 1.75 is over 0.50, 1/2, so you would round it up to 2. If you multiply 2 and 20 you would get 40.

Number two gets the same explanation just with different numbers.

3 0

2 years ago

Subtract. 5x^2-5x+1-(2x^2+9x-6)

Talja [164]

<h2>Hello!</h2>

The answer is:

$3x^{2} -14x+7$

To solve the problem we need to add/subtract like terms. We need to remember that like terms are the terms that share the same variable and the same exponent.

For example, we have:

$x^{2} +2x+3x=x^{2} +(2x+3x)=x^{2}+5x$