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2 years ago

Match the polynomial on the left with the appriately factored expression on the right x^2-3x-18

Mathematics

1 answer:

Lapatulllka [165]2 years ago

8 0

The factored expression of the polynomial expression given as: x^2 - 3x - 18 is (x + 3)(x - 6)

<h3>How to match the polynomial?</h3>

The polynomial expression is given as:

x^2 - 3x - 18

Express -3x as 3x - 6x

So, we have:

x^2 + 3x - 6x - 18

Factorize the polynomial expression

x(x + 3) - 6(x + 3)

Factor out x + 3

(x + 3)(x - 6)

Hence, the factored expression of the polynomial expression given as: x^2 - 3x - 18 is (x + 3)(x - 6)

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Zander read 13 3/4pages in 1/4 of an hour. Sydney read 43 1/3 pages in 2/3 of an hour. At these rates, would Zander or Sydney re

kakasveta [241]

Answer:

At these rates Sydney read 10 pages per hour more than Zander.

Step-by-step explanation:

Zander read $13\frac{3}{4}$ pages in $\frac{1}{4}$ of an hour.

Therefore, pages read by Zander in 1 hour = $\frac{\text{Total pages read}}{\text{Total time taken}}$

= $\frac{13\frac{3}{4}}{\frac{1}{4}}$

= $\frac{55}{4}\times \frac{4}{1}$

= 55 pages per hour

Sydney read $43\frac{1}{3}$ pages in $\frac{2}{3}$ of an hours.

Pages read by Sydney in 1 hour = $\frac{43\frac{1}{3}}{\frac{2}{3} }$

= $\frac{130}{3}\times \frac{3}{2}$

= 65 pages per hour

Therefore, number of pages read more by Sydney as compared to Zander,

= 65 - 55

= 10 pages per hour

At these rates Sydney read 10 pages per hour more than Zander.

4 0

3 years ago

What is the volume of a cone with a diameter of 10 in and a height of 12 in

Radda [10]

Answer:

V = 100π

Step-by-step explanation:

The volume of a cone is V = ( $\frac{\pi r^2h}{3}$ )

1) $\frac{\pi5^212}{3}$

2) $\frac{300\pi }{3}$

3) 100π

5 0

3 years ago

When the input is 200 what is the output? Explain please.

anygoal [31]

The slope formula is delta y/delta x=m
You can choose any two points. Let's choose (0,25) and (1,30)
30-25/1-0=5/1=5
Slope intercept form is y=mx+b
b=the y intercept
y=5x+25 since (0,25) is the coordinates for the y inthercept.
Plug in 200: y=5(200)+25
Simplify and you get that y=1025
Your answer is 1025
Your welcome

4 0

3 years ago

Tyee went shopping for a new video game because of a sale. The store was offering a 45% discount. If the price on the tag was p,

monitta

Answer:

It would be 0.45p.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Two angles in a triangle have measures of 42 and 82 what is the measure of the third angle

skelet666 [1.2K]

Answer:

angles of the triangle are equal 180

so 42+82=124

180-124=56

so the answer is 56

Step-by-step explanation:

4 0

3 years ago