4*1/2=2
288/2
144
her speed was 144 miles per hour
The answer is A, look at the difference between 0 and 15 (15) and the difference between 5 and 10 (5) then divide them 5/15.
X^-n duals: 1/x^n. You cannot have negative exponents so do its inverse to get rid of the negative exponent
Answer:
D. The area to the left of 7.5
Step-by-step explanation:
If fewer than 8 passengers do not show up for a flight, then at most 7 passengers do not show up for a flight. Therefore, applying continuity correction, the area under the curve must comprehend from zero to seven passengers not showing up, but not the 8th passenger. Thus, the area must be to the left of 7.5.
The answer is D. The area to the left of 7.5.
