Answer: B. |x-100| = 25
Explanation:
Draw out a number line. Mark 75, 100 and 125 on the number line as points A, B, and C in that order. Don't worry about the spacing.
The value of x represents where the train is. So if we had say x = 85, then it would be at location 85 on the number line. Writing |x-100| is the distance from x to 100. The absolute value ensures the distance is never negative. We want this distance to be 25 because after traveling 25 cm, the switch is turned, and the train goes the other way.
Answer:
To solve this, you want to express the change to x directly since you are moving along the horizontal or X-axis. Thus, to show a 4 unit translation to the left, we would do g(x) = (x + 4) - 5 = x - 1.
Step-by-step explanation:
If the test has 30 questions each worth 2 points, then the test is worth 60 points. [30 × 2]
Seema got 12 answers correct. If each is worth 2 points, then her 12 correct answers are worth 24 points. [12×2]
Her total score is 24/60.
Length RS = 2b - 2a
Given that N is the midpoint of TS
⇒ Ratio of TN : TS = 1 : 2
Answer: b - a
