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3 years ago

Help ASAP, will give the crown

Mathematics

2 answers:

Julli [10]3 years ago

8 0

Answer:

2nd one

Step-by-step explanation:

Mice21 [21]3 years ago

8 0

Answer:

B.) Graph of a cubic polynomial that falls to the left and rises to the right with x intercepts negative 3, 2, and 3. The graph intersects the y axis at a point between 15 and 20.

Step-by-step explanation:

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During math class, Erik draws a circle with a compass. The circle has a radius of 3 inches. What is the circle's diameter?

sleet_krkn [62]

Answer: 6 inches

Step-by-step explanation:

The diameter is double the radius

3 0

3 years ago

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Find the domain of the rational expression: x-4/2x-6

marin [14]

Answer:

All real numbers except 3

Step-by-step explanation:

Given

$\frac{x - 4}{2x - 6}$

Required

Determine the domain

We start by writing the following inequality

$2x - 6 \neq 0$

Add 6 to both sides

$2x -6 + 6 \neq = 0 + 6$

$2x \neq 6$

Divide both sides by 2

$\frac{2x}{2}\neq \frac{6}{2}$

$x \neq \frac{6}{2}$

$x \neq = 3$

As such, the domain of x is all real numbers except 3

4 0

3 years ago

Find sin(2x), cos(2x), and tan(2x) from the given information. tan(x) = − 1/2 , cos(x) > 0

vodomira [7]

Answer:

sin(2x) = -4/5
cos(2x) = 3/5
tan(2x) = -4/3

Step-by-step explanation:

It may be easiest to start with tan(2x).

tan(2x) = 2tan(x)/(1 -tan(x)²)

tan(2x) = 2(-1/2)/(1 -(-1/2)²) = -1/(3/4)

tan(2x) = -4/3 . . . . . still a 4th-quadrant angle

Then cosine can be found from ...

cos(2x) = 1/√(tan(2x)² +1) = 1/√((-4/3)²+1) = √(9/25)

cos(2x) = 3/5

Sine can be found from these two:

sin(2x) = cos(2x)tan(2x) = (3/5)(-4/3)

sin(2x) = -4/5

5 0

4 years ago

How do i show my work for 18 divided by 16.4? plz help

frosja888 [35]

It will just keep going on as a decimal so you do not need to keep going, three spaces after the decimal should be an acceptable answer.

6 0

4 years ago

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(2z-16) divided by (8+z

jek_recluse [69]

All you have to do is follow the steps shown in the pictures and you’ll get your answer,

4 0

4 years ago