a child lies on the ground and looks up at the top of a 14-ft tree nearby. the child is 7ft away from the tree, what is the angle of elevation from the child to the top of the tree? round to the nearest whole number??

Answers

Answer 1

Answer: 45 degrees. 7 feet from a 14 foot tall tree means half of ninety degrees since seven is half of fourteen

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Two lines, A and B, are represented by the following equations: Line A: 4x + 4y = 16 Line B: x + y = 4 Which statement is true about the solution to the set of equations? It is (1, 2). There are infinitely many solutions. It is (1, 5). There is no solution.

Answers

Well it can't be (1,2) because that comes out to be 12 not 16, and it also can't be (1,5) because that comes out to be 20, but there is a solution, that i know of for sure which is (0, 4). So your answer would probably be there are infinitely many solutions.

Answer:

The answer is B. There are infinitely many solutions.

Step-by-step explanation:

None of the other answers make sense and do not work.

Hope This Helps!

Nafeesa graphed a line with a slope of 5 and a y-intercept of (0,-2) A. Find an equation for her line.
B. Find the value of x when y=0

Answers

In this question , it is given that slope of 5 and a y-intercept of (0,-2) .

Now we have to check out the equation of the line that we are gonna use here.

Here we use the slope intercept form, which is

$y = mx + b$

where m is the slope , which is 5 here and y intercept is b , which is -2 here.

Substituting these values in the equation, we will get

$y=5x-2$

Part b .

Now we have to substitute 0 for y, and find the value of x, that is

$0 = 5x-2\n5x=2\nx = (2)/(5)$

State two numbers such that the lesser number is 25% less than the greater number.

Answers

75 and 100.

It is 25% lesser because if you subtract 75 and 100 from each other, you get 25.

Another pair would be 8 and 6 because 6 is 2 less than 8 and 2 is 25% of 8

What is 5 1/4 ➗ 2 2/7

Answers

5 1/4 ÷ 2 2/7. Convert to improper fraction

21/4 ÷ 16/7

21/4 ×7/16

= 147/64

= 2 19/64

51/4 bahagi 2 2/7
21/4 darab 7/16
=147/64
=2 19/64

Choose the converse of the following statement.They are not left behind, if they are on time.

If they are not left behind, then they are on time.
If they are on time, then they are not left behind.
If they are not on time, then they are left behind.
If they are left behind, then they are not on time

Answers

The converse of a statement can be found by switching the hypothesis and the conclusion (the beginning and ending statements) of a phrase.

Therefore, we started with the statement

"They are not left behind, if they are on time."

To find the converse of this statement, we just need to switch the position of the two pieces.

Therefore, the converse is

"If they are on time, then they are not left behind."

You answer is the above statement or the second option.

Express 9-y^2 as the product of two binomial factors.

Answers

This is the difference of squares. Formula is:
A² - B² = ( A - B ) · ( A + B )
9 - y² = 3² - y² = ( 3 - y ) · ( 3 + y )

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