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Sidana [21]
3 years ago
5

What basic math skills should I know for grade 9 math

Mathematics
2 answers:
Mariulka [41]3 years ago
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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Two cubes are tossed. Find P(only one shows a 2).
djverab [1.8K]
The probability that only one shows a 2.

There are 36 different outputs (6x6) = 36

There are 6 combinations where the first cube shows a 2, these are 2,1;2,2;2,3;2,4;2,5; and 2.6

There are 6 combinations where the second cube shows a 2: 1,2;2,2;3,2;4,2;5,2; and 6,2.

Of those one combination on each set shows two 2.

Then the number of combinations with only one 2 are 6 - 1 + 6 -1 = 10

Now the probabilit is 10 out of 36 = 10 / 36 = 5 / 18
 
4 0
3 years ago
Please help me with this question!!
GarryVolchara [31]
It’s a right angle! which equals to 90° you already have 20° and 8° so you add them together and you get 28. now you have to subtract 90-28 which equals to 62.

ANSWER: 62°
6 0
2 years ago
Please help me to solve this problem<br>​
faust18 [17]

Answer:

\sqrt{3} + \frac{5\sqrt{3} }{6}

Step-by-step explanation:

tan(30°) = \frac{\sqrt{3}}{3}

cot(30°) = \sqrt{3}

sin(60°) = \frac{\sqrt{3}}{2}

\frac{\sqrt{3} }{3} +\sqrt{3} +\frac{\sqrt{3}}{2}  = \sqrt{3} +\frac{5\sqrt{3} }{6}

3 0
2 years ago
Read 2 more answers
What key features are necessary and how they can be used to create the sketch of a polynomial function?
Tomtit [17]

The key features of polynomials are the vertex, axis of symmetry, x and y intercepts.

 

<span>1.    </span>The degree will help you find the end behavior.

<span>2.     </span>The vertex shows you where it changes concavity.

<span>3.     </span>X and y intercepts give you a couple of points of reference.

<span>4.     </span>Axis of symmetry is only applicable to even degree polynomials.

 

I am hoping that these answers have satisfied your queries and it will be able to help you in your endeavors, and if you would like, feel free to ask another question.

4 0
2 years ago
4. Eva saves $60 each week. Since she needs to save at least $2,400 to go on a trip to Europe, she will need to
Anon25 [30]

Answer:

where is the question so that I can solve it

4 0
3 years ago
Read 2 more answers
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