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trapecia [35]
4 years ago
12

Multiply and simplify 3x-3/x^2-1*(x+2)(x+1)/x-1

Mathematics
1 answer:
timurjin [86]4 years ago
7 0
The answer is 

2x^3 - 4x^2 - 2x - 3
-------------------------
           x^2
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F(x)=x^2+10 what is the average rate of change of f over the Interval [-2,-1]?
aksik [14]

Answer: -3

Step-by-step explanation:

The average rate of change is \frac{f(b)-f(a)}{b-a}. All we have to do is to plug in our values.

a=-2

b=-1

f(b)=f(-1)=(-1)²+10=11

f(a)=f(-2)=(-2)²+10=14

With our values listed, all he have to do is to plug them in.

\frac{11-14}{-1-(-2)} =\frac{-3}{1}=-3

6 0
4 years ago
20. Joe is standing on top of Marina Towers looking at the Leo Burnett World Headquarters building across the Chicago River. It
Scilla [17]

The height of the Burnett building to the nearest foot be is 444 feet

<h3 /><h3 /><h3>What is angle of elevation and depression?</h3>

The angle from the horizontal to a point or the line of sight is measured with angles of elevation and depression.

when the points is high above the line of sight we have angle of elevation however when the line of sight is below the horizontal we have angle of depression

<u>Given data</u>

distance between the two buildings ( horizontal ) = 880 feet

angle of elevation = 8 degrees

angle of depression = 20 degrees

applying Trigonometry relations

for angle of elevation

tan 8 = h1 / 880

h1 = 123.676 feet

for angle of depression

tan 20 = h2 / 880

h2 = =880 * tan 20

h2 = 320.294

let the height of the Burnett building to the nearest foot be h

h = h1 + h2

h = 123.676 + 320.294

h = 443.97

h = 444 feet

Read more on angle of elevation and depression here: brainly.com/question/15580615

#SPJ1

5 0
2 years ago
What is the range of the function shown on the graph?
Anon25 [30]

Answer:

pick a i guess, Because the minimum of the graph is no less than -6

7 0
2 years ago
A/b(2x-12)=c/d solve for x
GenaCL600 [577]

Let's solve for x.

Layout equation:

a/b

(2x−12)=c/d

Step 1: Multiply both sides by b.

2ax−12a=bc/d

Step 2: Multiply both sides by d.

2adx−12ad=bc

Step 3: Add 12ad to both sides.

2adx−12ad+12ad=bc+12ad

2adx=12ad+bc

Step 4: Divide both sides by 2ad.

2adx/2ad=12ad+bc/2ad

So the answer is x=12ad+bc/2ad.

8 0
4 years ago
Read 2 more answers
Please show explanation and work
Kitty [74]

Answer:

5^2 = 5x5 = 25 + 2x5 = 25 + 10 = 35

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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