Answer: The cost for the month is $240.
Step-by-step explanation:
Since we have given that
Cost for the two i.e Aveeno and her boyfriend = $40
They were charged 6 times in a month.
As we know that times stands for multiplication.
So, we need to find the cost for the month, where we multiply 6 with $40 to get the amount for the whole month.
So, the amount for the month would be
Hence, the cost for the month is $240.
a)
b) See interpretation below
Step-by-step explanation:
a)
The motion of both balls is a free-fall motion: it means that the ball is acted upon the force of gravity only.
Therefore, this means that the motion of the ball is a uniformly accelerated motion, with constant acceleration equal to the acceleration of gravity:
in the downward direction.
For the ball dropped from the initial height of , the height at time t is given by
(1)
The ball which is thrown upward from the ground instead is fired with an initial vertical velocity , and its starting height is zero, so its position at time t is given by
(2)
Therefore, the polynomial that represents the distance between the two balls is:
b)
Now we interpret this polynomial, which is:
which represents the distance between the two balls at time t.
The interpretation of the two terms is the following:
- The constant term, , is the initial distance between the two balls, at time t=0 (in fact, the first ball is still at the top of the building, while the second ball is on the ground). For this problem,
- The coefficient of the linear term, , is the initial velocity of the second ball; this terms tells us that the distance between the two balls decreases every second by
feet.
Answer:
9
Step-by-step explanation:
(3x³)² Distribute the exponent of 2 to everything
(3²) Simplify
9
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