Question 1 would be 4 divided by 1/3 (A)
Question 2 would be 16 (A)
Question 3 would be 48 (B)
Question 4 would be 60 laps
Question 5 would be 1/15th
Hope this helps!! :D
Answer:
The top of the ladder is now at 10 ft.
Step-by-step explanation:
At the start, we have a height H=6, a length L=10 and a base B, that has to be calculated by the Pythagorean theorem:

The base is moved twice the distance the height moves up.
We called this distance x, so we have:

The new height (H+x) is

The base travels 2x=8, so the new base B' is 0.
This means that the ladder is all against the wall (L=H').
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Answer:
x²+y²+4x-21=0
Step-by-step explanation:
(x-h)²+(y-k)²=r²
(x--2)²+(y-0)²=(5)²
(x+2)²+y²=25
x²+4x+4+y²=25
x²+y²+4x-21=0
The phrase "subtract 7 from c" written in algebraic expression is c - 7
<h3>Algebraic expression</h3>
This is a system of computation using letters or other symbols to represent numbers, with rules for manipulating these symbols.
= c - 7
For instance, if c = 15
c - 7
= 15 - 7
= 8
Therefore, the phrase "subtract 7 from c" written in algebraic expression is c - 7
Learn more about algebra:
brainly.com/question/4344214
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