Gia researches online that her car is worth $3,000. She hopes to sell it for 85% of that value, but she wants to get at least 70
2 answers:
Answer:
The correct answer is no.
Step-by-step explanation:
First let's analyze the data we have.
We know that Gia's car costs $ 3000.
Gia wants to sell it for 85% of that value, but would settle for 70%.
Now, what was the real percentage that Gia got for her car?
We can calculate that by dividing the cost she obtained by the original cost of the car.
In this way we can show that Gia sold his car for a value of 60% of what it really cost, therefore she did not get what she wanted.
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Answer:
Step-by-step explanation:
We use the equation , where
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,
, and
. We obtain
from the z-score of a 0.97 confidence level.
Answer:
The area of the unpainted region on the four inch board = 160·√3 in.²
Step-by-step explanation:
Here we have that the boards are crossing each other on their flat sides Therefore, when the boards are separated, the area of the unpainted region is the area of a parallelogram
The dimensions of the formed parallelogram are;
Interior angles = 60° and 120° (adjacent angles of a parallelogram)
Height, h of parallelogram formed = 4 inches
From the angle of crossing of the parallelogram, we have;
Angle between the width or perpendicular cross section of the 6 inches board and the angle of crossing of the two boards = 90° - 60° = 30°
Therefore, length of base, b of the parallelogram formed by the unpainted region is given as follows;
Therefore, the area of the parallelogram = b × h = 4 × 40·√3 = 160·√3 in.²
Hence, the area of the unpainted region on the four inch board = 160·√3 in.².