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sveticcg [70]
3 years ago
8

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 If Alina wrote the la

st term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y
Mathematics
2 answers:
ad-work [718]3 years ago
6 0

Answer:

-4x^2y

Step-by-step explanation:

Alina wrote the polynomial

2x^2y+3y^3-6x^2y+4xy^2

She wrote 3y^3 as the last term

We will solve the like terms and get its simplified form which is

-4x^2y+4xy^2+3y^3

Hence, the first term according to Alina standard form would be -4x^2y


Liono4ka [1.6K]3 years ago
3 0
I think the answer is -8x2y
You might be interested in
Assume that you have a choice between a manufacturing job and a sales job. The annual earnings from the manufacturing job will h
dedylja [7]

Answer:

0.42124

Step-by-step explanation:

Manufacturing job :

Mean (m) = 40,000

Standard deviation (s) = 9000

Sales job :

Mean (m) = 35000

Standard deviation (s) = 9000

Probability of earning more than 45000 if one or the other job is selected;

Obtaining the standardized scores and probability for each :

Z = (x - m) / s

P(x > 45000)

Z = (45000 - 40000) / 9000 = 0.5555

= 0.56

P(Z > 0.56) = 0.28774(Z probability calculator)

For sales :

P(x > 45000)

Z = (45000 - 35000) / 9000 = 1.1111111

= 1.11

P(Z > 1.11) = 0.1335 (Z probability calculator)

0.28774 + 0.1335 = 0.42124

4 0
3 years ago
A rectangular field measures 400m by 900m, what is the perimeter of the field:
Alina [70]

Answer:

a) 1790 b) 1.79

Step-by-step explanation:

a) you just add to get the perimiter 2(900) + 2(400) to get 1790

b) 1000 meters makes a kilometer so we divide by 1000 and get 1.79 for the kilometers

6 0
3 years ago
Read 2 more answers
Using substitution <br> x+3y=3<br> 3y-2x=12
frez [133]

Step-by-step explanation:

<u>Given </u><u>:</u><u>-</u>

  • x + 3y = 3
  • 3y - 2x = 12

And we need to solve the equation using Substituting method . So on taking the first equation ,

\rm\implies x + 3y = 3 \\\\\rm\implies x = 3 - 3y

<u>Put </u><u>this</u><u> </u><u>value</u><u> </u><u>in </u><u>(</u><u>ii)</u><u> </u><u>:</u><u>-</u><u> </u>

\rm\implies 3y - 2x = 12 \\\\\rm\implies 3y - 2(3-3y)=12\\\\\rm\implies 3y -6-6y = 12 \\\\\rm\implies -3y = 18 \\\\\rm\implies y = -6

<u>Put </u><u>this</u><u> </u><u>Value</u><u> </u><u>in </u><u>(</u><u>I)</u><u> </u><u>:</u><u>-</u><u> </u>

\\\\\rm\implies x = 3-3*-6 \\\\\rm\implies x = 3+18 \\\\\rm\implies x = 21

<u>Hence</u><u> the</u><u> </u><u>Value</u><u> </u><u>of </u><u>x </u><u>is </u><u>2</u><u>1</u><u> </u><u>and </u><u>y </u><u>is </u><u>(</u><u>-</u><u>6</u><u>)</u><u> </u><u>.</u>

4 0
3 years ago
Read 2 more answers
Negative odd numbers greater than -40 but less than -28?
aleksandrvk [35]

The set of negative numbers greater than -40 but less than -28 is:

X = {-39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29}

Odd numbers are numbers that cannot be divided completely by 2 without a remainder.

Negative odd numbers are negative numbers that cannot be divided completely by 2 without any remainder

Let the set of odd numbers greater than -40 but less than -28 be represented by X

This can be written in set notation as:

X = {x | -40 < x < -28}

This means that the numbers range from -39 to -29

By listing, the set of negative numbers greater than -40 but less than -28 is:

X = {-39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29}

Learn more here: brainly.com/question/15387365

6 0
3 years ago
I need help please help i'll mark brainliest
larisa [96]

Answer:

5

-- chance

9

you gotta count up all the possibilies (which is 9) then count up all the possible chances there is a rock (which is 5) and put it into fraction form. and there's your probability

5 0
3 years ago
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