Answer:x=150
Step-by-step explanation:
Step 1: Subtract 1.2x from both sides.
0.8x+20−1.2x=1.2x−40−1.2x
−0.4x+20=−40
Step 2: Subtract 20 from both sides.
−0.4x+20−20=−40−20
−0.4x=−60
Step 3: Divide both sides by -0.4.
−0.4x
−0.4
=
−60
−0.4
About 17 times. Just do 69/4
Substitute
, so that
. The integral is then equivalent to
Then transforming back to
gives
Cannot be determined
<u>Explanation</u>
The probability cannot be determined because we do not know the distribution of the population. We also do not know the number of students who are taking marketing or spanish or total number of students. Since the data is incomplete, we cannot determine the probability of students taking spanish or marketing.
Based on the given figure above, the correct answer would be option A. Judging by appearance, the figure can be classified by the following: <span>rectangle, square, quadrilateral, parallelogram, and rhombus. It cannot be classified as a rectangle nor as a trapezoid. Hope this answers your question. </span>
