Answer:
The initial cost of the cell phone was $364
Step-by-step explanation:
Since there was a 30% markup, 70% of the new cost is the initial cost. Multiply 520 by 0.7 on a calculator and you get 364
Since we know that we can find area of a trapezoid by dividing our trapezoid into two triangles with parallel sides of trapezoid as bases of our triangles. The area of trapezoid is sum of the areas of these two triangles.
We have been given that areas of our triangles are and . We can find area of our trapezoid by adding areas of our both triangles.
Therefore, area of our trapezoid will be .
Answer:
The answer is shown in the picture. you basically have to do integration by parts 2 times to get final answer.
Yes because if you all watched the video at the same time so then you would watch it for the same amount
Answer:
Step-by-step explanation:
I would help you as much as i can but if you dont know the picture is not there it is gray with a blue circle with a line through it so im sorry that i cant help