What basic math skills should I know for grade 9 math

2 answers:

6 0

You should known several math skills, everything you have learned is going to the next level in High School so you should know most math skills

UkoKoshka [18]3 years ago

4 0

Most likely rates, percents and ratios at a higher level. Also, multiplication and division of fractions at a higher level.

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The table represents a function. Which value is an output of the function?

n200080 [17]

The correct answer is -2

5 0

3 years ago

What is negative 3/8 plus 7/8

Luba_88 [7]

Hi there!

To add fractions there are three simple steps:

1. Make sure the bottom numbers (denominators) are the same. → In your case you're all good, both your denominators are 8.

2. Add the top numbers (numerators) and put that answer over the denominator :

-3 + 7 = 4 → $\frac{4}{8}$

3. Simplify the fraction (if needed). → In your case, you do need to simplify your fraction :

Divide both your numerator and denominator by 4 to get your simplified fraction :

4 ÷ 4 = 1

8 ÷ 4 = 2

Your simplified fraction is : $\frac{1}{2}$

There you go! I really hope this helped, if there's anything just let me know! :)

8 0

3 years ago

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lilavasa [31]

Answer: 15, and 44 are integers.

Step-by-step explanation: For 15 to be an integer, 15 has to be a whole number. Furthermore, for 15 to be an integer, you should be able to write 15 without a fractional or decimal component. 15 is a whole number that can be written without a fractional component, thus 15 is an integer, as well as 44.

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4 years ago

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How do we have to do these questions ? 11-18 ?

agasfer [191]

Answer: just be like for number 13) 9<15 that basically all you do.

Step-by-step explanation:

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3 years ago

What is the value of x?

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I'm sure you know the formula for Pythagoras Theorem.