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andreyandreev [35.5K]
3 years ago
6

A ladder is leading against a building so that the distance from the ground to the top of the ladder is 2 feet less than the len

gth of the ladder. Find the length of the ladder of the distance from the bottom of the ladder to the building is 10feet.
Mathematics
1 answer:
OlgaM077 [116]3 years ago
6 0

ans= 4

assume that the length of ladder is x

assume length of wall to top of ladder is x-2

the bottom is 10

use pythagoras to find x (hypotenuse)

should get 4 by factorising and squaring towards the end

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Find the área of a trapezoid with a height of 4ft, base of 5ft and short base of 2
sweet [91]

Answer:

12

Step-by-step explanation:

  The first thing you would want to do is to draw it out. Once you've drawn it out, you want to add the "imaginary lines" so the trapezoid will form into a rectangle. Then find out the area which is L * W. The area for the rectangle is 20.

   Finally you want to take those imaginary pieces and find the area of those. Which would be three and then you want multiply by two since there is two of them. The last thing you need to do is subtract the six from 20.

  <u>Therefore the answer is 12.</u>

 

7 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
sweet-ann [11.9K]

Answer:  $25,500

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

The given sequence {1300, 1300+150, ... } provides the following information:

  • the first term (a₁) = 1300
  • the difference (d) = 150

We can use the information above to find the explicit rule of the sequence:

a_n=a_1+d(n-1)\\.\quad =1300+150(n-1)\\.\quad =1300+150n-150\\.\quad =1150+150n

We can use the explicit rule to find the 12th term (a₁₂)

a_n=1150+150n\\a_{12}=1150+150(12)\\.\quad =1150+1800\\.\quad =2950

Next, we can input the first and last term of the sequence into the Sum formula:

S_n=\dfrac{a_1+a_n}{2}\times n\\\\S_{12}=\dfrac{a_1+a_{12}}{2}\times 12\\\\.\quad =\dfrac{1300+2950}{2}\times 12\\\\.\quad =\dfrac{4250}{2}\times 12\\\\.\quad =2125\times 12\\\\.\quad =25,500

3 0
3 years ago
Read 2 more answers
X = ? <br><br> PLEASE HELP! ILL MARK BRAINLIEST AND GIVE POINTS
LenKa [72]
X+95+60=180

Is going to be x=25
7 0
3 years ago
Read 2 more answers
HELP ME PLEASE AND EXPLAIN
Lunna [17]
I hope this can help you. 

7 0
3 years ago
Which expression is equivalent to 4(3+5)-3.94?
Anna007 [38]

Answer:

4(3 + 5) - 3.94 \\ 4 \times 8 - 3.94 \\ 32 - 3.94 \\  = 28.06

3 0
3 years ago
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