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quester [9]
3 years ago
15

WILL GIVE BRAINLIEST

Mathematics
1 answer:
galina1969 [7]3 years ago
3 0
I used substitution
The answer is a

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At a certain time of day, the angle of elevation of the sun is 80degree. Find the height of a tree whose shadow is 44 feet long.
Arte-miy333 [17]

The height of the tree is 249.5 feet

<h3>How to determine the height of the tree?</h3>

The given parameters are:

  • Elevation angle = 80 degrees
  • Shadow length (L) = 44 feet

Let the height of the tree be x.

So, we have:

tan(80) = x/44

Multiply both sides by 44

x = 44 * tan(80)

Evaluate

x = 249.5

Hence, the height of the tree is 249.5 feet

Read more about elevation at:

brainly.com/question/19594654

#SPJ1

8 0
2 years ago
It takes 1 gallon of gas to drive 25 miles. which measure of efficiency is this an example of
Brilliant_brown [7]
Are these the choices? <span>Cost, Time, Pace, Materials? 

I think the answer would be - it is a measure of the efficiency of the materials used in the car. Since this talks about how many gallons of gas a drive of 25 miles would consume. </span>
8 0
3 years ago
ASAP PLZ HELP!!
Dominik [7]

Answer:

A) y² - 5y + 1

B) y² - 5y - 4

C) - 5y + 1

D) - 3y² - 4y - 6

Step-by-step explanation:

Let's call P the unkown polynomial and D the difference. In each case, the following must be true:

y² - 5y + 1 - P = D

<em>A)</em>

y² - 5y + 1 - P = 0

y² - 5y + 1 = P

<em>B)</em>

y² - 5y + 1 - P = 5

y² - 5y + 1 - 5 = P

y² - 5y - 4 = P

<em>C)</em>

y² - 5y + 1 - P = y²

y² - 5y + 1 - y² = P

- 5y + 1 = P

<em>D) </em>

y² - 5y + 1 - P = 4y² - y + 7

y² - 5y + 1 - 4y² + y - 7 = P

- 3y² - 4y - 6 = P

4 0
3 years ago
Read 2 more answers
Kevin earns $6.75 an hour. At this rate how much does he earn in40 hours?
Elenna [48]

Answer:

$270

Step-by-step explanation:

Simply take the per hour rate and multiply it by the number of hours.

6.75 X 40 = 270

3 0
3 years ago
(-2,3) , (6,-7) calculate the distance between the given points.
solniwko [45]
2sqrt(41) because 8^2+10^2=x^2 and solve for x
5 0
2 years ago
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