MATHEMATICS HIGH SCHOOL

What is the factorization of 729x15 + 1000?A.(9x5 + 10)(81x10 – 90x5 + 100)
B.(9x5 + 10)(81x5 – 90x10 + 100)
C.(9x3 + 10)(81x6 – 90x6 + 100)
D.(9x3 + 10)(81x9 – 90x3 + 100)

Answers

Answer 1
Answer:

Answer:

Option A.

Step-by-step explanation:

The given expression is 729x^(15) + 1000

Now we have to factorize the given expression.

Since we know the formula of (a³ + b³) = (a + b)(a² + b² - ab)

Now we will convert the expression in this form

a^(3)=729x^(15)=(9x^(5))^(3)

and b^(3)=1000=10^(3)

Now after factorization the expression will be

(9x^(5)+10)(81x^(10)+100-90x^(5))

This expression matches with option A.
Answer 2
Answer: The answer is A.   Hope that helps

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Solve x2 + 4x − 12 = 0.A: x = 2, x = −6
B: x = −2, x = −6
C: x = 3, x = −4
D: x = −3, x = 4

Answers

x^2 + 4x - 12 = 0
(x + 6)(x - 2) = 0

x + 6 = 0          x - 2 = 0
x = -6               x = 2

Answer A: x = 2; x = -6

Answer:

x = - 6; x = 2

Step-by-step explanation:

PLEASE HELP DUE IN 5 MINS

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Answers

Answer:

it might be 2,-2

Step-by-step explanation:

The sum of three is 45. The second of the Three numbers is three more than twice the first number X. The third number is two more than the first number X. Which equation can be used to solve for the first number X

Answers

Answer:

see explanation

Step-by-step explanation:

the first number is x

the second number is 2x + 3

the third number is x + 2

sum the 3 numbers and equate to 45

the equation to solve for x is then

x + 2x + 3 + x + 2 = 45 ( simplify left side )

4x + 5 = 45 ( subtract 5 from both sides )

4x = 40 ( divide both sides by 4 )

x = 10

the first number is 10

Mina's gross monthly pay is $2590. She pays 12% in taxes. what will her net annual pay be?

Answers

Answer:

$2,279.20

Step-by-step explanation:

(12 * 2590)/100 = 310.80

2590 - 310.0 = 2,279.20

0.725, 1/4, 30% From least to greatest

Answers

Answer:

Step-by-step explanation:

30%, 1/4, 0.725
you should make them all in the same form. for example, ¼ in decimal form is 0.25 and 30% is 0.3.

in conclusion, least to greatest would be
0.25, 0.30, then 0.725

or ¼, 30%, then 0.725

hope this helped! please mark me brainliest

How to solve equation with one variable

Answers

An equation has an equal sign. This makes it possible to find the one value the variable can be to "balance" the equation. 

To solve an equation, we isolate the variable (get the variable by itself on one side of the equation). This is done by "undoing" the operation on the variable. 

Example - x+5=18 

x=18-5  | isolate |

x = 13
Hope this RANDOM example helps u understand the concept better
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