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LenaWriter [7]
3 years ago
14

which product will result in a sum or difference of cubes? (x 7)(x2 – 7x 14) (x 8)(x2 8x 64) (x – 9)(x2 9x 81) (x – 10)(x2 – 10x

100)
Mathematics
2 answers:
Alina [70]3 years ago
6 0
Hello,
++++++++++++++++++++++++
Answer C
++++++++++++++++++++++++

x^3+7^3=(x+7)(x²-7x+49) A: False (+14)
x^3+8^3=(x+8)(x²-8x+64) B:False  (+8x)
x^3-10^3=(x-10)(x²+10x+100) D:False (-10x)


poizon [28]3 years ago
5 0

Answer:

option (3) satisfies the  products that  will result in a difference of cubes.

(x-9)(x^2+9x+81)=x^3-3^3

Step-by-step explanation:

Given : Some options.

We have to choose the  products that  will result in a sum or difference of cubes.

A sum or difference of cubes is given by:

a^3-b^3=(a-b)(a^2+b^2+ab)

and a^3+b^3=(a+b)(a^2+b^2-ab)

Thus, out of given

(x-9)(x^2+9x+81) is in the same form as a^3-b^3 where a = x and b = 9.

Thus, (x-9)(x^2+9x+81)=x^3-3^3=x^3-729

Thus, only option (3) satisfies the  products that  will result in a difference of cubes.

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Am I correct if not help plzzz
11Alexandr11 [23.1K]
Hey there!

You got the first part right where you added r to both sides. However, you need to make sure that you complete all actions on both sides, including canceling out parts of terms by division. The only thing you need to do is divide both sides by h instead of just the left. This will make your answer:

y =  \frac{b+r}{h}

Hope this helped you out! :-)
4 0
3 years ago
Expand And Simplify The Following:
Georgia [21]
For all the questions, we will be using the FOIL pattern.
1. (x+3)(x-3)(3x+2)
(x^2-3x+3x-9)(3x+2)
(x^2-9)(3x+2)
3x^3+2x^2-27x-18
2. (2x+1)(x-2)(x+3)
(2x^2-4x+x-2)(x+3)
(2x^2-3x-2)(x+3)
2x^3+3x^2-11x-6
3. (x-3)(2x+1)(3x-2)
(2x^2+x-6x-3)(3x-2)
(2x^2-5x-3)(3x-2)
6x^3-19x^2+x+6
Hope this helped!
8 0
3 years ago
Read 2 more answers
Which describes a non-uniform probability model? A) heads or tails from a coin flip B) the sum result of rolling two dice C) sel
irga5000 [103]

Answer:

Option B.

Step-by-step explanation:

The non-uniform probability is when the event is not same in the occurring of event.

Option A is uniform because there will be equal chance of getting   head or tail.

Option B is non-uniform because sum can be any number  if we get(3,4) it will be 7 and if we have (2,3) then it will be 5.

Option C is uniform because we have equal number of red and green balls so, selecting a ball from both will be same.

Option D is uniform because chance of 1,2,,3,4,5 or 6 will be equal chance from rolling a die that is 1/6 in all cases.

Therefore, Option B is correct

7 0
3 years ago
Read 2 more answers
ticket sales for a local concert totaled $101,244 yesterday. After the ticket window closed today, the cashiers counted 968 tick
STALIN [3.7K]

The cost of one concert ticket is approximately  $148.59.

The tickets sales for the local sales is totalled $101, 244 yesterday.

ticket sales yesterday = $101244

He sold 968 tickets with a two-days total of $143, 836 (both yesterday and today)

The cost of one ticket can be calculated below:

cost of one ticket = 143,836 / 968

cost of one ticket = 148.590909091

cost of one ticket ≈ $ 148.59

read more: brainly.com/question/15471320?referrer=searchResults

3 0
2 years ago
Find the exact solution to the equation. Show your work for credit. (1 point) four to the power of quantity twelve minus four x
padilas [110]
4^(12-4x)=256  realize that 256 is 4^4  so we really have:

4^(12-4x)=4^4  taking the natural log of both sides

(12-4x)ln4=4ln4  dividing both sides by ln4

12-4x=4  subtract 12 from both sides

-4x=-8  divide both sides by -4

x=2


7 0
3 years ago
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