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tigry1 [53]
3 years ago
8

A 12 ft ladder is placed 5 feet from a building. Approximately how high does the ladder reach? Round to the nearest tenth, if ne

cessary.
Mathematics
1 answer:
lisov135 [29]3 years ago
4 0

Answer:

10.9 feet

Step-by-step explanation:

12^2 = 5^2+h^2

144 = 25 + h^2

-25 -25

h^2 = 119

h = square root 119

h = 10.9 ft

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Someone help pls. can someone solve it for me??
cupoosta [38]

Answer:

  slope = 5/3

Step-by-step explanation:

The line rises 5 units for each 3 units it goes to the right. (The y- and x-intercepts are clues.) The slope is the ratio of rise to run: 5/3.

3 0
3 years ago
Which of the following is a factor of x2 − 8x + 15?
brilliants [131]

Answer:

(x−3)(x−5)

Step-by-step explanation:

Let's factor x2−8x+15

x2−8x+15

The middle number is -8 and the last number is 15.

Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get -8

Multiply together to get 15

Can you think of the two numbers?

Try -3 and -5:

-3+-5 = -8

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Fill in the blanks in

(x+_)(x+_)

with -3 and -5 to get...

(x-3)(x-5)

3 0
3 years ago
Read 2 more answers
Rewrite expression in the form k*z^n
Alik [6]

Answer:

9z

Step-by-step explanation:

4th root of z = z^1/4

=> 3 * z^1/4

=> 3z^1/4

3z^1/4 * 3z^3/4

=> 3 x 3 x z^1/4 + 3/4

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6 0
3 years ago
Z=3 6z to the 2 power + 10z +5
skad [1K]

Answer:

359

Step-by-step explanation:

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18 to the second power is 324

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324+35=359

8 0
3 years ago
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Elodia [21]
Plug in x.

3+y=8

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Check your answer.

3+5=8

8=8

That checks out! y is definitely 5.

I hope this helps!
~kaikers
3 0
3 years ago
Read 2 more answers
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