Find the product of (4x − 3)(2x2 − 7x + 1). 8x3 − 22x2 + 17x− 3

8x3 + 8x2 + 4x − 3

8x3 − 34x2 + 25x − 3

8x3 − 42x2 + 25x − 3

Answers

Answer 1

Answer: $(4x - 3)(2x^2 -7x + 1)=\n\n(4x)(2x^2) - (4x)(7x) + (4x)(1) - (3)(2x^2) + (3)(7x) - (3)(1) =\n\n8x^3-28x^2 + 4x - 6x^2+21x-3=\n\n8x^3-34x^2+25x-3$

The correct answer is C.

Answer 2

Answer:

Find the product of (4x − 3)(2x2 − 7x + 1).

Answer:

8x3 − 34x2 + 25x − 3

(Took the exam)

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A certain microscope is able to magnify an object up to 100,000 times its original size. In scientific notation, 100,000 is _____.

Answers

Answer: In scientific notation, 100,000 is $1.0*10^5$

Step-by-step explanation:

We know that the scientific notation is a technique to describe a very large or a very small number in the product of a decimal form of number [generally between 1 and 10] and powers of ten.

The given number = 100,000

Here the number of zeroes = 5

Then, in scientific notation, 100,000 = $1.0*10^5$

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If n is the average of three numbers x, 12, and 15, what is the value of x?

Answers

9- because it looks like 12 and 15 were multiplied by 3,
3x5= 15
3x4= 12
3x3= 9

Which of the ordered pairs satisfy the equation below check all that apply y=-9x

Answers

The best and the most correct answer among the choices provided by the question is the first choice. The ordered pair that best satisfies the equation is (-1, -9) I hope my answer has come to your help. God bless and have a nice day ahead!

7 4/6 - 2 3/6 subtracting mixed numbers?

Answers

Since they both have the same denominator it's just straight subtraction...

7 4/6
- 2 3/6
_________
5 1/6

The answer is 5 1/6. You need to take the whole numbers and then the top number and don't do anything to the bottom number.

What is the slope of a line that runs parallel to y = 2 x + 5?

Answers

Parallel lines have equal gradients;
So,
y=2x+5
The gradient is 2
The parallel line also has a gradient of 2

The equation "y=mx+b" is the slope-intercept forme of a line with slope "m" and y-interceptept (0,b)

In this case:
y=2x+5;
the slope "m" will be equato to : "2".

Answer: the slope is 2.

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