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Eva8 [605]
3 years ago
15

What is the coefficients of x² in (2-3x) (x²-5)​

Mathematics
2 answers:
aniked [119]3 years ago
5 0

Answer:

+2

Step-by-step explanation:

=> (2-3x)(x^2-5)

=> (2x^2-10-3x^3+15x)

<em>Arranging it in descending order</em>

=> -3x^2+2x^2+15x-10

<u><em>So, the coefficient of x² in this expression is +2</em></u>

SOVA2 [1]3 years ago
3 0

This depends if you are supposed to simplify the binomials first:

If you leave it in the form provided then the coefficient would be 1

However, you can multiply the binomials together in order to simplify the expression:

(2 - 3x)( {x}^{2}  - 5)

(2  \times  {x}^{2} ) + (2 \times  - 5) + ( - 3x \times  {x}^{2} ) + ( - 3x  \times  - 5)

{ - 3x}^{3}  +  {2x}^{2}  + 15x - 10

Which then shows the coefficient would be 2

So it all depends on the directions provided, I would assume the correct answer is 2 if the directions are the exact same as provided on Brainly.

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a middle school has 520 students, 75% of the students ride the bus to school. How many students do not ride the bus to school?
Nata [24]

Answer:

130 students do not ride the bus to school.

Step-by-step explanation:

520 * .75 = 390

390 students ride the bus to school.

520-390=130

130 students do NOT ride the bus to school.

Hope this helps! :)

6 0
3 years ago
A(32, −22), B(8, −29), C(1, −5), D(25, 2) The shape is a . The perimeter of ABCD is . The area of ABCD is .
OLga [1]

Answer:

does literaly everyone use this to get the answer to their school work lol

Step-by-step explanation:

4 0
3 years ago
What are the steps to answer 6x-2=-4x+2
777dan777 [17]

Answer: x=2/5  or x=0.4

<u>Simplify the equation to the form</u>

<u></u>6x-2=-4x+2<u></u>

<u></u>

<u>Move all terms containing x to the left and all other terms to the right</u>

<u></u>6x+4x=+2+2<u></u>

<u></u>

<u>Simplify left and right side of the equation</u>

<u></u>10x=+4<u></u>

<u></u>

<u>Divide both sides of the equation by 10 to get x</u>

<u></u>10x/10=4/10<u></u>

<u></u>x=2/5 or x=0.4

6 0
4 years ago
Read 2 more answers
Alexander makes a model of the Great Pyramid of Giza with the dimensions shown.
Leviafan [203]

Answer:

The area of the square base is 100 in.2.

The area of each triangular face is 40 in.2.

Alexander will need 260 in.2 of paint.

Step-by-step explanation:

I dan't have an explanation I just guessed.

7 0
4 years ago
PLEASE PLEASE HELP
padilas [110]

Answer:

(Y × 10) + X = 30

hope it helps

Step-by-step explanation:

Y = Cost of each ticket

X = cost of entry fee

so he bought 10 tickets

so you multiply cost of each ticket ( y ) by 10

then you add the entry fee ( x ) to find the total cost ( $30 )

6 0
3 years ago
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