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Katena32 [7]
3 years ago
8

Your neighbor leaves his yard, which is 120 ft from the bus stop. He begins to walk toward you at the bus stop and then passes y

ou. He walks at a speed of 4 ft/s. His distance d from you after t seconds is given by d = |120 − 4t|. After how many seconds is your neighbor 30 ft from you?
Mathematics
1 answer:
Sergio [31]3 years ago
5 0

Answer:

any fraction's? I can't tell

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Help on this question.....
HACTEHA [7]

Answer:

25

Step-by-step explanation:

17 / 0.68 = 25

check your answer?

25 * 0.68 = 17

:)

3 0
2 years ago
Read 2 more answers
Consider the equation y=16-x. which of the following statements is true
musickatia [10]

Answer:

C. Both x is a function of y and y is a function of x

Step-by-step explanation:

A <u>function</u> is a relationship which assigns to each input (from the domain) value, a unique output (from the range).

y is a function of x means x is from domain, y is from range

x is a function of y means y is from domain, x is from range

1. Given y=16-x

y is a function of x because for each x there is exactly one y corresponding to this x.

2. Rewrite y=16-x expressing x in terms of y:

y-16=-x\\ \\-x=y-16\\ \\x=16-y

x is a function of y because for each y there is exactly one x corresponding to this x.

3 0
3 years ago
Simplify the expression 4(-y+2) -3y
trapecia [35]

Answer:

−7y+8

Step-by-step explanation:

1. Simplify each term.

−4y+8−3y

2. Subtract 3y from −4y.

−7y+8

Hope this helps :D

3 0
2 years ago
The largest possible circle is to be cut from a 12-foot square board. Calculate the approximate area, in square feet, of the rem
olchik [2.2K]
------------------------------------------------------------------------------
Find Area of the circle:
------------------------------------------------------------------------------
Area of a circle = πr²
Area of the largest possible circle = π x(12 ÷ 2)²
Area of the largest possible circle = 113.10 ft²

------------------------------------------------------------------------------
Find Area of the square board:
------------------------------------------------------------------------------
Area of a square board = Length x Length
Area of the square board = 12 x 12 
Area of the square board = 144 ft²

------------------------------------------------------------------------------
Find area of the remaining board:
------------------------------------------------------------------------------
Area of the remaining board = 144 - 113.10 
Area of the remaining board = 30.90 ft²

------------------------------------------------------------------------------
Answer: The area of the remaining board is 30.90 ft².
------------------------------------------------------------------------------
5 0
2 years ago
I have no idea how to do this, this is just a wild guess
goldfiish [28.3K]
I think its $21 because since 72 was left over you subtract it from 240 and it leaves 168 which u divide by 8 and get $21
5 0
3 years ago
Read 2 more answers
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