Write -2x 2(-5x 2 +4x 3) in standard form

Answers

Answer 1

Answer: If you would like to write -2x^2 * (-5x^2 + 4x^3) in standard form, you can do this like this:

Writing the polynomial in standard form means that you have to write the terms by descending degree:
-2x^2 * (-5x^2 + 4x^3) = 2 * 5 * x^2 * x^2 - 2 * 4 * x^2 * x^3 = 10 * x^4 - 8 * x^5 = - 8x^5 + 10x^4

The correct result would be - 8x^5 + 10x^4.

Answer 2

Answer:

The expression $-2x^2(-5x^2 + 4x^3)$ in standard form is $10x^4 - 8x^5$ .

Given Expression, $-2x^2(-5x^2 + 4x^3)$

Simplify it by expanding the multiplication and combining like terms.

$-2x^2(-5x^2 + 4x^3)$

First, distribute $-2x^2$ to each term inside the parentheses:

$-2x^2 * -5x^2 + (-2x^2) * 4x^3$

$10x^4 - 8x^5$

The expression $-2x^2(-5x^2 + 4x^3)$ in standard form is $10x^4 - 8x^5$ .

Therefore, the standard form is $10x^4 - 8x^5$ .

Learn more about Quadratic Equation here:

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How do you solve a quadratic equation?

Answers

Oh that's easy, all you have to do is use the quadratic equation :)
ax^2+bx+c
A would be the number squared, b would be the number with just an x and c would be the single number :) Look at the attachment and you can see how to set it all up.
Hope this helps and could you mark me as the brainliest?

if in ax^2+bx+c=0 form then
use quadratic formula
x= $\frac{-b+ \sqrt{b^(2)-4ac} }{2a}$ or $\frac{-b- \sqrt{b^(2)-4ac} }{2a}$

input and subsitute and that is the answer

The main tank has a radius of 60 feet. What is the volume of the quarter-sphered sized tank? Round your answer to the nearest whole number. You must explain your answer using words, and you must show all work and calculations to receive credit.

Answers

If the main tank is spherical, then its volume is $\frac43\pi*60^3=288000\pi$ . A quarter-sphere would be one fourth of this volume, or $72000\pi$ .

Please help i need answers

Answers

Answer:

Step-by-step explanation:

the bottom one would be 12x27 shape

the middle one would be 8x18 shape

the top one would be 9x4 9x4 shape

Find the interquartile range of the data. A.5

B.8

C.13

D.17

Answers

8 is the answer to your question

Answer:

B.8 is the answer

Hugh has to earn at least $400 to meet his fundraising goal. He has only 100 books that he plans to sell at $8 each. Which inequality shows the number of books, x, Hugh can sell to meet his goal?

Answers

If you would like to find the inequality that shows the number of books Hugh can sell to meet his goal, you can do this using the following steps:

x = ? ... the number of books
$8 * x >= $400
8 * x >= 400
x >= 400 / 8
x >= 50 books

The correct result would be: $8 * x >= $400.

Answer:

50 ≤ x ≤ 100

Step-by-step explanation:

If I read 52 pages in 2 hrs and Tim reads 1/4 more in 2 and1/2 hr. who read faster?

Answers

They read at the same speed
If we split the time where you read into half hour intervals we would have
13 pages per 30 minutes
and since $(1)/(4)$ * 52= 13 and the time added is 30 minutes we know that You and Tim read at the same speed.

so Tim read 13 pages =1/4 of 52 pages in (2 and 1/2 hr) - (2hrs) = 1/2 hr
So Tim will read 26 pages in 1 hr and that means Tim read 52 pages in 2 hrs, the same with You! The answer its that bouth read in the same time.

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