Answer:
.
Step-by-step explanation:
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<span>At a basketball game, for every basket team A scored, team B scored 4 baskets. The ratio of the number of baskets scored by team A to the number of baskets for team B is
Answer: It is 1:4.
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Answer:
1.x=9 Nd 2.x=3/4....... .........
The average speed of the whole journey of car based mentioned speeds is 48 km/hr.
The average speed is calculated by the formula -
average speed = total distance covered ÷ total time taken. The total distance covered is sum of distance of first and return journey. Total distance covered = 100 + 100
Performing addition
Total distance covered = 200 kilometres
Now total time taken = time taken on first journey + time taken for return journey
Total time taken = distance/speed + distance/return speed
Total time taken = 100/60 + 100/40
Performing division
Total time taken = 5/3 + 5/2
Total time taken = 10 + 15/6
Total time taken = 25/6 hour
Average speed = 200/(25/6)
Average speed = (200×6)/25
Performing division and multiplication
Average speed = 48 km/hr
Learn more about speed -
brainly.com/question/13943409
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Answer:
e
Step-by-step explanation:
mean = 16 ounces
standard deviation = 0.2×16 ounces = 3.2 ounces
standard deviation of sample mean = 3.2/√64 = 3.2/8 =0.4
z value of 15 is (15-16)/0.4 = -1/0.4 = -2.5, using z-table corresponding p value = 0.00621
P(average <15) =0.00621
so answer is (e)