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3 years ago

Let T(x)=−6x4+x2−1 ....

Mathematics

1 answer:

jolli1 [7]3 years ago

5 0

Answer:

D is the correct answer.

Step-by-step explanation:

Distribute (−6x^4 + x^2 − 1)(2x^3 - 4x + 3)

-12x^7 + 24x^5 - 18x^4 + 2x^5 - 4x^3 + 3x^2 - 2x^3 + 4x - 3

Combine Like Terms

-12x^7 + 26x^5 - 18x^4 - 6x^3 + 3x^2 + 4x - 3

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Theresa bought a new desktop computer. One side of the desktop screen is 14 inches and the

vazorg [7]

Answer:

23 inches

Step-by-step explanation:

assuming that the desktop screen is a rectangle, then it's diagonal will form two right triangles.

by the Pythagorean theorem

${a}^{2} + {b}^{2} = {c}^{2} \\ a = 14 \: and \: b = 18 \\ c = the \: hypoteneuse$

then

${14}^{2} + {18}^{2} = {c}^{2} \\ 196 + 324 = {c}^{2} \\ 520 = {c}^{2} \\ \sqrt{ {c}^{2} } = \sqrt{520} \\ c \: \: is \: a pprox. \: \: 22.8 in \\ c \: \: rounded \: is \: 23in$

8 0

3 years ago

What type of solution is this?<br> 7=7

alex41 [277]

Answer:

I'm 99% sure it's infinite solutions

3 0

3 years ago

A triangle has three angles. The first angle measures 20 less than a number. The second triangle is three

abruzzese [7]

Answer:

first angle is 20, 2nd is 120, 3rd is 40.

Step-by-step explanation:

with these words, "20 less than a number, Three

times the number, is the number." We can set up the equation x-20+3x+x = 180. combine like terms and we get 5x-20=180. add 20 to both sides to get 5x=200 then divide 200 by 5x to get x = 40. We can then plug 40 into each of the expressions, x-20, 3x, x, to get our angles.

5 0

2 years ago

What is the product of -6x3 and 2x5?

slamgirl [31]

Answer:

for the first one it's going to be -30 and the second one is 10

6 0

3 years ago

(hw#41 q#3) help asap

r-ruslan [8.4K]

Answer:

im confused what did the question ask

Step-by-step explanation:

7 0

3 years ago