2 years ago

How do I subtract fractions

1 answer:

3 0

To perform the correct operation as to subtract numbers, make sure the denominators are the same, and then one can then subtract and remove a smaller number from the larger one.

This same method also holds true for adding fractions together as well.

Another way to subtract fractions is to convert them from fraction form to decimal form and then align the decimal points and subtract the values.

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What are the roots of y = x2 – 3x - 10?<br> 0 -3 and -10<br> 0-2 and 5<br> 2 and -5<br> 3 and 10

nata0808 [166]

Answer:

roots: -2 and 5

Step-by-step explanation:

What are the roots of y = x2 – 3x - 10?

we see...

factor -10 .... using the X-method.

-10 = 2 * -5

where 2 + -5 = -3

y = (x +2)(x - 5)

roots are -2 and 5

5 0

2 years ago

What faction of the girls in the class have long brown hair and green hair? 3/4 of the girls have brown hair,3/4 of the girls ha

Novay_Z [31]

Answer:

A similar problem to yours is attached in the picture below. We adjust the data of the problem in the picture to fit your question.

The answer is (3/4)*(3/4)*(1/3) = 3/16 of the girls in the class have long brown hair and green eyes

Step-by-step explanation:

As every condition must contain the set we are studying, we are talking about and AND condition, and thus we need to multiply each term to get the correct result.

3/4 * (3/4) * (1/3) = 3/16