if y varies directly as the square root of x and y=87 when x=625, find y if x =390625. Round off your answer to the nearest hund
redth
1 answer:
Answer:
2175
Step-by-step explanation:
y = k sqrt(x)
x = 625
y = 87
87 = k * sqrt(625)
87 = k * 25
87/25 = k
k = 3.48
y = 3.48 * sqrt(390625)
y = 3.48 * 625
y = 2175
You might be interested in
Answer:
7,200 I believe
Step-by-step explanation:
Answer:
35 students
Step-by-step explanation:
70% of 50 = 0.7×50 = 35
Answer:
on the way there she was going at 25 km/hr
Step-by-step explanation:
Yes 8*6=48 and 4*6+4*6=48
