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saw5 [17]
3 years ago
13

Tomas learned that the product of the polynomials (a + b)(a2 – ab + b2) was a special pattern that would result in a sum of cube

s, a3 + b3. His teacher put four products on the board and asked the class to identify which product would result in a sum of cubes if a = 2x and b = 1Which product should Tomas choose?
Mathematics
2 answers:
olchik [2.2K]3 years ago
4 0
I got the answer 8x^3+1 by putting the values in the above formula
MariettaO [177]3 years ago
4 0

Answer with explanation:

Product Rule learned by Thomas

 a^3 +b^3=(a+b)(a^2-ab+b^2)

Now we have to find the value of

 (2 x)^3 +1^3\\\\=8x^3+1\\\\=(2 x+1)[(2x)^2-2 \times 2x \times 1 +1^2]\\\\=(2 x+1)[4x^2-4 x +1]

The product that Thomas should choose

 =(2 x+1)(4 x²-4 x+1)

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paula earned a 56% on her science test if she got 14 problems correct then how many questions were on the test
sweet-ann [11.9K]
56% = 14 questions

1% = 14 ÷ 56 = 0.25 questions

100% = 0.25 x 100 = 25 questions

Answer: 25 questions.
3 0
3 years ago
Read 2 more answers
3/2a - ab + 1 (if a = 5/6 and b = 3/10)
dedylja [7]
The answer is 2.

3/2a - ab + 1
3/2(5/6) - 5/6(3/10) + 1
5/4 - 1/4 + 1
4/4 + 1
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7 0
1 year ago
Find the slope of the line through the points (3,7) and (5,19)
Sedbober [7]

Answer:

<u>1</u><u>2</u>

2

Step-by-step explanation:

(3,7)(5,19)

(x,y)(x,y)

<u>y2</u><u>(</u><u>1</u><u>9</u><u>)</u><u>-</u><u> </u><u>y1</u><u>(</u><u>7</u><u>)</u>

x2(5)-x1 (3)

formula. <u>y2-y1</u>

x2-x1

7 0
3 years ago
If f(x) = x2 + x - 8, find f(-3).
dalvyx [7]

Answer:

-17

Step-by-step explanation:

it's telling you to replace x with -3.

You have to replace all the x's with -3.

(-3)2 + (-3) - 8 = -17

5 0
2 years ago
Whats nine and eight four hundredths in standard from
Nookie1986 [14]
Do you mean 'nine and eighty four hundredths' in standard form? If so, it will be:

9.84
7 0
3 years ago
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