First we calculate the z-score for this situation.
Finding <em>P</em>(x < 5.3) is the same as finding <em>P</em>(<em>z</em> < -0.8). Using a table of standard normal distribution and z-scores we see that the probability is 0.21186.
Answer: 120x4+270
Step-by-step explanatio:
Umm so I’m only in 8th grade and this was on my test so the 4 is an exponent
Answer:
10x^2 -4x +6
Step-by-step explanation:
The area of the blue square is
2* 5x^2 = 10x^2
The area of the pink square is
2 * -2x = -4x
The area of the green square is
2 *3 = 6
Add it all together
10x^2 -4x +6
Answer:
30 minutes
Step-by-step explanation:
Find the unit rate (time per SINGLE kilometer).
5/5=1 18.75/5=3.75
Multiply 3.75 (unit rate) by 8.
3.75 x 8=30