Which is a factored form of 8x^3+1?

Answers

Answer 1
Answer: in factor form (2x+1)(4x^2-2x+1)

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Solve for x. x2 + 9x = 0
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Deals with three-dimensional objects, such as cubes and spheres.​
If a student spent a total of $83 on tickets ,how many tickets did he buy.? using this funtion below "c=24.50t 9.50

A man's shoe size is related to his foot length and can be modeled by the equation s = 1.7f - 7.2, where s is shoe size and f is foot length,in inches. What is the shoe size of a man whose foot measures 9 inches?

Answers

On putting the value of given foot length in the linear equation, the shoe size of the man is 8.1.

What is linear equation?

A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation. The standard form of a linear equation in one variable is of the form Ax + B = 0.

Putting the value of f in the linear equation to calculate s.

s = 1.7f - 7.2\ns = 1.7 * 9 - 7.2\ns = 15.3 - 7.2 = 8.1\n

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Answer:

The answer is 8.

Step-by-step explanation:

I had this in my math 1 test and got it wrong lol

Simplify the expression (4x - 3)(x + 5).

Answers

=>(4x - 3) (x + 5)=>(4x × x )+( 4x × 5) - (3 × x ) -( 3 × 5)=>4x^2 + 20x -3x - 15=>4x^2 + 17x -15Hope it helps!!!
Wait I think it's 9x-3.. Sorry...

Which is greater 419.10 or 419.099

Answers

419.10 is greater than 419.099
This question is easy enough.

419.10 > 419.099

Prove that cos(a-b) - cos(a+b) = 2sina sinb

Answers

We know:
cos(a - b) = cos(a)cos(b) + sin(a)sin(b)
cos(a + b) = cos(a)cos(b) - sin(a)sin(b)

cos(a - b) - cos(a + b) = 2sin(a)sin(b)

L = cos(a)cos(b) + sin(a)sin(b) - (cos(a)cos(b) - sin(a)sin(b))

= cos(a)cos(b) + sin(a)sin(b) - cos(a)cos(b) + sin(a)sin(b)

= 2sin(a)sin(b) = R

A direct variation function contains the points (–8, –6) and (12, 9). Which equation represents the function? y = –x

Answers

you multiply by using the formula

x1*x2=y1*y2

A ball is dropped from a height of 12 feet and returns to a height that is one-half of the height from which it fell. How far will the ball have traveled when it hits the ground for the fourth time?A. 12 feet

B. 24 feet

C. 3 feet

D. 33 feet

**my answer: D. 33 feet

not too sure tho.. is that right?

Answers

The ball have traveled 33 m when it hits the ground for the fourth time.

The correct option is D .

Given, that a ball falls from 12feet.

Analyzing the fall of ball every time.

Fall 1:

Ball dropped from height = 12 m .

Ball returns to half the distance from which it is dropped .

Rebound distance covered by ball = 6 m .

Fall 2:

Ball dropped from height = 6 m .

Ball returns to half the distance from which it is dropped .

Rebound distance covered by ball = 3 m .

Fall 3:

Ball dropped from height = 3 m .

Ball returns to half the distance from which it is dropped .

Rebound distance covered by ball = 1.5 m .

Fall 4:

Ball dropped from height = 1.5 m .

Ball returns to half the distance from which it is dropped .

Rebound distance covered by ball = 0.75 m .

Total distance covered when ball hits the ground for fourth time:

12 + 6 + 6 + 3  + 3 + 1.5 + 1.5

= 33 meters.

The correct option is D .

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Yes that is the correct answer. D:33 feet