Factor the polynomial expression x6 – x3 – 20

Answers

Answer 1

Answer:

Answer:

x6 − x3 − 20 = (x3)2 − x3 − 20 = (x3 + 4)(x3 − 5)

Step-by-step explanation:

In this trinomial, the exponent of the first term, 6, is double the exponent in the second term, 3. And, the third term contains no variables. So, we can factor the expression as we would a quadratic, but treating x3 as if it were x:

Answer 2

Answer:

Answer:

(x³ - 5)(x³ + 4)

Step-by-step explanation:

Consider the factors of the constant term (- 20) which sum to give the coefficient of the x³ term (- 1)

The factors are - 5 and + 4, since

- 5 × 4 = - 20 and - 5 + 4 = - 1, hence

$x^(6)$ - x³ - 20 = (x³ - 5)(x³ + 4)

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What is the answer for 4=0.5z-4

Answers

8 = 0.5 z
8/ 0.5 = z
z = 16

Answer is 16

4=0.5z-4
4+4=0.5z
8=0.5z
z=16

I isolated Z

Wu make and fill out the table using equation

Y = 4x - 2

Answers

Answer:

$x = (1)/(4) y + (1)/(2)$

Step-by-step explanation:

$y = 4x - 2$

first flip

$4x - 2 = y$

now add 2 to each side

$4x + 2 = y + 2$

now

$4x = y + 2$

divide by 4

$4x / 4 = 4 + 2 / 4$

$x = (1)/(4) y + (1)/(2)$

Write 5 1/4% as a simple fraction.

Answers

so percent means parts out of 100 so
exg
10%=10/100=1/10

so 5 1/4% convert 1/4 to 0.25

5.25%=5.25/100=52.5/1000=525/10000

How can i write this as a fraction in simplest form.×4/7 5/2

Answers

The answer is you know i don't exactly know the answer but i think i know how to do it

Is 45/5 equal to a whole number or a mixed number

Answers

A whole number. The number is 9, because 45/5 = 9.

a whole number because 45 divided by 9, a whole number.
hope that helps *smiles*

Compute the average (mean) from the data shown. (round to the nearest tenth){91, 91, 91, 97,65, 37, 41, 76, 87}
A)74.2
B)74.9
C)75.1
D) 75.4

Answers

Answer:

Step-by-step explanation:

The mean is the average so you must add them all up and divide them by the amount of numbers there are.

Answer:

Step-by-step explanation:

Add all the numbers then divide by numbers of numbers their are

91+91+91+97+65+37+41+76+ 87= 676

676/9= 75.1111111111 and it goes on forever

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PLEASE HELP I GIVE THANKS

How do u work out 8x + 5x