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viktelen [127]
3 years ago
8

A 25 ft ladder is placed 7 feet from the wall. How high up the wall will the ladder reach?

Mathematics
2 answers:
Ratling [72]3 years ago
7 0
The answer i got was 24ft
Feliz [49]3 years ago
5 0
You set this up using Pythagorean theorem (A^2 + B^2 = C^2)
When setting up the right triangle, the problem says the ladder is placed 7 feet away, which would be the bottom of the triangle, and would be your A or B value, the ladder is leaning and is a total of 25 feet, meaning 25 is your hypotenuse and is your c value.
Then you're at A^2 +7^2 = 25^2
Square all of the integers, giving you A^2 +49 =625, then subtract 49 from each side leaving you with A^2 = 576, square root each side (√A^2 = √576)
Which will leave you at A = 24.
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How many pairs of parallel lines have in a trapezoid
Inessa05 [86]
1, because the two lines on the side hit eachother,
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5 0
3 years ago
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The length of a rectangle is 19 feet longer than the width. If the perimeter is 46 feet, write an equation for this scenario
user100 [1]

Answer: The equation shall be

8 = 4W

Step-by-step explanation: The perimeter has been given as 46 feet, whereas the length and the width are not yet given. But the clue we have states that “the length is 19 feet longer than the width,” which means, if the width is W then the length shall be 19 plus W. We can express the dimensions as;

Length = 19 + W

Width = W

We can now express the perimeter as follows;

Perimeter = 2(L + W)

46 = 2(19 + W + W)

46 = 2(19 + 2W)

46 = 38 + 4W

Subtract 38 from both sides of the equation

8 = 4W

6 0
3 years ago
Answer ASAP I needs this like asap
jonny [76]

Answer:

1. 84 in

2. 300 ft

3. 2500 cm

4. 5000 m

5. 6 lbs

6. 10560.03937 ft

7. 3520.0131234 yd

8. 4.375 c

9. 1.5 L

10. 6000 mg

11. 48

12. 80000 lbs

13. 1.5 m

14. 1500 mm

15. Dan's phone is 157 millimeters long. How many inches is this? 5

Step-by-step explanation:

3 0
3 years ago
According to the chart, from 1986-1996, unintentional drug overdose deaths per 100,000 population began to rise. The numbers for
ICE Princess25 [194]

Answer:

2.18

Step-by-step explanation:

The mean is the most familiar average. It is defined as a value obtained by dividing the sum of all observations by their number. It is calculated as

Mean = Sum of all the observations/ Number of the observations

Mean= x₁+x₂+...............+xₐ/n

Where x₁,x₂,...............,xₐ refer to different values of x and n is the sample size.

Mean= 2+1+2+2+2+2+1+3+3+3+3/11= 24/11= 2.18

The mean may correspond to a population or a sample from a population.

The population mean is a fixed quantity where as the sample mean is a variable quantity because different samples from the same population tend to have different means.

6 0
3 years ago
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The perimeter of a rectangle is 8x+10.if the length is 2x+8 what is the width?
leonid [27]

Answer:

6x+2

Step-by-step explanation:

8 0
2 years ago
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