Please solve this problem. Thnaks(3x-4)²

Answers

Answer 1

Answer: (3x-4)² is
(3x-4)(3x-4)
FOIL it.
9x²+3x-4+3x-4+16
simplify
9x²+6x+8

Answer 2

Answer: so you just write it out as (3x-4)(3x-4) and then you FOIL, which would give you 9x^2-24x+16

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Debbie cut a cord into sixths . She used five of the to make necklaces . She used equal lengths of the remaining cord for each of four bracelets. What fraction of the original cord did Debbie use for each bracelet ?

Answers

So she used $(5)/(6)$ of the cord to make necklaces.
$1- (5)/(6) = (1)/(6)$

She splits the $(1)/(6)$ length into 4 equal lengths.
To divide a fraction by a fraction, you multiply it by its reciprocal.
$(1)/(6) ( (1)/(4))$
$=(1)/(24)$

She used $(1)/(24)$ of the original chord to make each bracelet.

Find x in circle O. Figure is not drawn to scale. HURRY PLEASE

Answers

Answer:

B. 23,5

Step-by-step explanation:

Simplify the expression. 7C3A. 5,040

B. 210

C. 1

D. 35

Answers

Answer:

Step-by-step explanation:

Simplify the expression. 7C3

the formula for nCr is $(n!)/(r!(n-r)!)$

n=7 and r= 3. Plug in 7 for n and 3 for r in the formula

$(7!)/(3!(7-3)!)$

$(7*6*5*4*3*2*1)/((3*2*1)(4*3*2*1))$

Cancel out 4*3*2*1 at the top and bottom

$(7*6*5*4*3*2*1)/((3*2*1))$

Cancel out 6 at the top and bottom

7 choose 3 is going to be 35

What is the sum of the polynomials 8x^2-7x+3 and 2x^2 +10x-5

Answers

Answer:

10x^2 + 3x - 2

Step-by-step explanation:

Final answer:

To find the sum of the polynomials, add the like terms together. The sum of the given polynomials is 10x^2 + 3x - 2.

Explanation:

To find the sum of the polynomials, you need to add the like terms together. Start by adding the coefficients of the x-squared terms, which are 8 and 2. This gives you 10x^2. Then, add the coefficients of the x-terms, which are -7 and 10. This gives you 3x. Finally, add the constant terms, which are 3 and -5. This gives you -2. So, the sum of the polynomials is 10x^2 + 3x - 2.

Learn more about Polynomial Addition here:

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What is the value of 2 in 32?

Answers

30 is tens and 2 is ones

If your annual salary is $68,900, how much would be your salary in 3 years?. Write anEquation and solve the problem

Answers

Answer:

206,700

Step-by-step explanation:

We know that the starting salary is $68,900. And we need to figure out the salary during a 3 years period. so we take the one year salary (68,900) and multiply that by 3, for the 3 years. (3 × 68,900) which equally 206,700 dollars.

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