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kumpel [21]
3 years ago
13

What is the simplified form of x+3/x^2-x-12 times x-4/x^2-8x+16?

Mathematics
1 answer:
Alenkinab [10]3 years ago
3 0
<span> \frac{x+3}{x^2-x-12} * \frac{x-4}{x^2-8x+16} \\= \frac{x+3}{(x-4)(x+3)}* \frac{x-4}{(x-4)(x-4)}  = \frac{1}{x-4}* \frac{1}{x-4} = \frac{1}{(x-4)^2}    *  </span><span>x-4/x^2-8x+16


Hope that helps
</span><span />
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Find the surface area of this cylinder.<br>Round to the nearest tenth.<br>​
iren2701 [21]

Answer:

282.7

Step-by-step explanation:

surface area of cylinder = 2πR² + 2πRh

R = 3 cm

h = 12 cm

surface area of cylinder = 2π*3² + 2π*3*12 = 90π ≈ 90*3.14 ≈ 282.7 (cm²)

4 0
3 years ago
Wyatt makes and sells rope doormats. He uses 200 feet of rope for each doormat.
skad [1K]

Correct answer is 200(25)(\frac{1}{3})  or , 200×25÷3 . Given answer is not in any of option! kindly match this answer with your options available!

<u>Step-by-step explanation:</u>

Here we have , Wyatt makes and sells rope doormats. He uses 200 feet of rope for each doormat. He wants to make 25 doormats. We need to find Which expression shows a correct way to find  how many yards of rope he needs. Let's find out:

Wyatt makes and sells rope doormats. He uses 200 feet of rope for each doormat , i.e. for 1 doormat he uses 200 feet of rope

⇒ 1 Doormat=200 ft

So , for 25 Doormat he uses :

⇒ 25(1 Doormat)=25(200) ft

⇒ 25 Doormat=25(200) ft

But , 1 yard = 3 ft ⇒ 1 feet = \frac{1}{3} yard  .Hence ,

⇒ 25 Doormat=25(200) (\frac{1}{3})yards

Hence Correct answer is 200(25)(\frac{1}{3})  or , 200×25÷3 . Given answer is not in any of option! kindly match this answer with your options available!

7 0
4 years ago
EXAMPLE 3 A wooden cube has edges measuring 5 centimeters each. Find the
Serjik [45]
5(edge)•5(edge)=25
25(side) •6 total sides

150 cm
3 0
3 years ago
If AD is an altitude of triangle ABC, then angle ABC is:
alexira [117]
<ADB = 90 degrees

hope it helps
7 0
3 years ago
a nursery owner buys 9 panes of glass to fix some damage to his greenhouse the 9 panes cost 19.35 unfortunately he breaks 4 more
Finger [1]
Answer:

First we divide 19.35 by 9 to find how much it costs for 1 pane, 19.35/9=2.15$.

Then we multiply by 4 to get the cost of 4 panes, 2.15*4=8.60$. The cost of another 4 panes is 8.60$.
8 0
3 years ago
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