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Rufina [12.5K]
3 years ago
11

V-2 < 20 how do I simplify this?

Mathematics
1 answer:
rodikova [14]3 years ago
7 0
Add 2 to both sides so it becomes:
V < 22
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Pe
Ludmilka [50]

Answer:

The height of the lamp post is 15 feet ⇒ 1st answer

Step-by-step explanation:

The ladder , the lamp post and the ground formed a right triangle, the length of the ladder is its hypotenuse (l), the height of the lamp post (h) and the horizontal distance on the ground between the base of the ladder and the base of the lamp post (d) are the legs of the triangle

By using Pythagoras Theorem ⇒ <em>the square of the hypotenuse is equal to the sum of the squares of the other two legs</em>

∵ l² = h² + d²

∵ The length of the ladder is 25 feet

∴ l = 25

∵ The ladder is placed 20 feet from the lamp post

- That means the distance between the base of the ladder and

   the base of the lamp post on the ground

∴ d = 20

- Substitute the values of l and d in the Pythagoras formula

∵ (25)² = h² + (20)²

∴ 625 = h² + 400

- Subtract 400 from both sides

∴ 225 = h²

- Take √  for both sides

∴ 15 = h

∴ The height of the lamp post is 15 feet

7 0
3 years ago
Find the area of the triangle<br> The area is __yd^2
MAVERICK [17]

Answer:

area of triangle = 4.5*6/2 = 13.5 sq.yd.

Step-by-step explanation:

The area of a right triangle is half of the product of the sides adjacent to the right angle.

Here the sides adjacent to the right angle are 6 yd and 4.5 yd.

Therefore the

area of triangle = 4.5*6/2 = 13.5 sq.yd.

7 0
3 years ago
) A scientist who is researching marshes observes that marsh grass, Spartina bakeri, grows to different heights at different loc
Alex_Xolod [135]
According to the Scientific Method (the scientific process you use to go about figuring out the answer to a question) is: 1. Ask a Question 2. Do Background Research 3. Construct a Hypothesis 4. Test Your Hypothesis by Doing an Experiment 5. Analyze Your Data and Draw a Conclusion 6. Communicate Your Results
7 0
4 years ago
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Simplify the following expression.<br><br> 6 - (-19)
NISA [10]

Answer:

The answer is 25 but I'm not sure you can simplify a whole number

3 0
3 years ago
You are given: X is the current value at the end of year two of a 20-year annuity-due of 1 per annum, starting immediately. The
professor190 [17]

Answer:

  idk

Step-by-step explanation:

7 0
3 years ago
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