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Pachacha [2.7K]
4 years ago
14

Combine like terms: x - 3y^3 + 3x^3 - 5x - x^3 - x - 2x^3

Mathematics
2 answers:
Nuetrik [128]4 years ago
7 0

Hey there!

Answer: \boxed{-3y^3-5x}

Explanation:

Combine like terms.

\boxed{-3y^3-5x}}\text{ is your answer.}

Hope this helps!

\text{-TestedHyperr}

Dmitry [639]4 years ago
7 0

Answer:

-3y^3-5x\\

Step-by-step explanation:

x-3y^3+3x^3-5x-x^3-x-2x^3\\

rewriting will help combine like terms effectively

-2x^3+3x^3-x^3-3y^3+x-x-5x

Now combine like terms

-3y^3-5x

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PLEASE HELP PLEAS PLS PLS PLS PLS
Alexxx [7]

Answer:

{105cm}^{2}

Step-by-step explanation:

Im assuming it's asking for the area of the shape.

We need to break the shape into two sections as shown in the picture. First we find the area of the rectangle (9×10)

90cm^2

Now for the triangle section (3×10)÷2

15cm^2

Now add up the two amounts.

105cm^2

5 0
3 years ago
30% of a number is 27. What is 50% of that same answer?
Komok [63]

Answer:

90, 45

Step-by-step explanation:

0.3x = 27

x = 90

50% of 90 = 45

4 0
3 years ago
Can someone please clearly explain Question 7 and how to work this out?
SVETLANKA909090 [29]
Make x the subject means you need to solve for x

y = ax^2 solve for x

divide both side by a

y/a = ax^2/a

simplify
y/a =  x^2
so
x = square root (y/a)
7 0
3 years ago
Hey can anyone help me with this ? Thank you so much
stellarik [79]

Answer:

5

Step-by-step explanation:

5 0
3 years ago
Х
ivolga24 [154]

Using permutations and the probability concept, it is found that there is a 0.0417 = 4.17% probability that Nia is chosen as president.

  • A probability is the <u>number of desired outcomes divided by the number of total outcomes</u>.
  • As there are different roles, the order in which the students are chosen is important, hence, the <em>permutation </em>formula is used to solve this question.

Permutation formula:

The number of possible permutations of x elements from a set of n elements is given by:

P_{(n,x)} = \frac{n!}{(n-x)!}

Desired outcomes:

  • Nia's president.
  • For the other roles, 3 students from a set of 23, hence:

D = P_{23,3} = \frac{23!}{20!} = 10626

Total outcomes:

4 students from a set of 24, hence:

T = P_{24,4} = \frac{24!}{20!} = 255024

Then:

p = \frac{D}{T} = \frac{10626}{255024} = 0.0417

0.0417 = 4.17% probability that Nia is chosen as president.

To learn more about probabilities, you can take a look at brainly.com/question/24437717

8 0
2 years ago
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