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masha68 [24]
3 years ago
15

If you place a 17 foot ladder against the top of a 8 foot building how many feet will the bottom of the ladder be from the botto

m of the building
Mathematics
2 answers:
KatRina [158]3 years ago
7 0
9 because if you subtract 17 from 8 you will get 9 I hope this works :)
Allushta [10]3 years ago
3 0

Answer:

15 ft

Step-by-step explanation:

1. Draw a triangle with a right angle.

2. Label all sides: A being the straight line which is standing vertically, B which is the base or the line which lays horizontally, and C will be the longest line on the triangle.

3. Make the C to be 17 ft.

4. Mark A as 8 ft.

5. Now use the Pythagorean Theorem: a^{2}+b^{2}=c^{2}

   8^{2} +b^{2} =17^{2}

6. Solve the equation:

8^{2}+b^{2}=17^{2}\\64+b^{2}=289\\b^{2}=225\\\sqrt{b^{2}}=\sqrt{225}\\b=15

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Vinil7 [7]

Answer:

Exponential

Step-by-step explanation:

The y values are going up by a factor of 2 as x increases.

3 0
3 years ago
(6+3)+21=6+(3+21) name each property of addition or multiplication
Anna007 [38]
(6 + 3) + 21 = 6 + (3 + 21)

It's an ASSOCIATIVE PROPERTY
(a + b) + c = a + (b + c)
7 0
3 years ago
6.3 x 10^14<br><img src="https://tex.z-dn.net/?f=6.3%20%5Ctimes%20%20%7B10%7D%5E%7B14%3F%7D%20" id="TexFormula1" title="6.3 \tim
Nutka1998 [239]

I'm assuming you're looking to find the expanded form of the number?

This number is in scientific notation. The easiest way to convert it to a normal number is to move the decimal place 14 to the right. I've attached a picture showing how to do this. You should get 630,000,000,000,000

There's a faster way to do this - notice that you need to move the decimal 14 to the right, and there's one number already after the decimal place. Therefore, 13 places will be filled with zeros. So, just write out 63 and add 13 zeros.

For more general help on scientific notation, check out these videos: https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-scientific-notation/v/scientific-notation-old

Hope that helps! Feel free to message me or leave a comment if I can clarify anything :)

7 0
3 years ago
Need now asap late plesae
AlekseyPX

Answer: the answer IS G. MARK BRAILIEST PLS

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Help!!
Elza [17]

Answer:

(b)\ 2x - 9 = -1

(c)\ -2x + 12 = 4

(e)\ 2(x - 10) = -12

Step-by-step explanation:

Required

Which equals x = 4

(a)\ 2x + 6 = 2

Collect like terms

2x  = 2 - 6

2x  = -4

Divide both sides by 2

x = -2

(b)\ 2x - 9 = -1

Collect like terms

2x = -1 + 9

2x = 8

Divide both sides by 2

x = 4

(c)\ -2x + 12 = 4

Collect like terms

-2x =- 12 + 4

-2x =-8

Divide both sides by -2

x = 4

(d)\ 2(x + 2) = 10

Divide both sides by 2

x + 2 =5

Collect like terms

x = 5-2

x = 3

(e)\ 2(x - 10) = -12

Divide both sides by 2

x - 10 = -6

Collect like terms

x = 10 - 6

x = 4

Hence, the equations with the required solution are:

(b)\ 2x - 9 = -1

(c)\ -2x + 12 = 4

(e)\ 2(x - 10) = -12

3 0
2 years ago
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