Answer:
(D) xy/(x + y)
Step-by-step explanation:
To find r in terms of x and y
Given,
- two resistors with resistances x and y are connected in parallel
- r is the combined resistance of these two resistors
- the reciprocal of r is equal to the sum of the reciprocals of x and y
Then,
1/r = 1/x + 1/y
1/r = (y + x)/xy
Find the reciprocal of both sides
r = xy/(x + y)
The right answer is option (D) xy/(x + y)
<u>Answer:</u>
- The solution of the inequality is x < -2.
<u>Step-by-step explanation:</u>
<u>Let's simplify the inequality first.</u>
- => -4x < 8
- => -4x/4 < 8/4
- => -x < 2
- => x < -2
Hence, <u>the solution of the inequality is</u><u> x < -2.</u>
Hoped this helped.

Answer:
Most Likely C) y = -8x + 75
Step-by-step explanation:
- The scatter plot shows a negative association, so the line of best fit has a negative slope. The eliminates A and B, since their slopes are positive.
- The highest point is (0,75). Because of this, it is safe to assume that would be the best estimate of the y-intercept.
- Out best answer is
BDC is adjacent (Two angles are Adjacent when they have a common side and a common vertex (corner point) and don't overlap.)