Answer:
Marcus score is 13.7, the mean is 12.89, and the standard deviation is 1.95, so I’ll do ( 13.7 – 12.89)/ 1.95, Since Marcus' z-score is 0.415. The area to the left of the z-score is 65.9% so therefore Marcus did scored better than 65.9% of the students. So Marcus needs to score 98% better of all the other students in order for him to receive an actual certificate.
Step-by-step explanation:
Answer:
X=2
Step-by-step explanation:
3x²+2x-7=2x+5
-2x -2x
3x²-7= 5
+7 +7
3x² = 12
3 3
= 
X=2
Answer:
A) g = 11
Step-by-step explanation:
26 = 7g - 63 + 12
26 = 7g - 51
77 = 7g
g = 11
.5 inch / 50 miles = 5 inches / x miles
x = 500 miles
A is (-1,-1) B is (3,-1) C is (1,2) and D is (-3,2). hope this helps!
