Mathematics, 14.02.2021 07:00 maingnat46
An ellipse has foci F(6, 0) and F(–6, 0) and two vertices at A(10, 0) and A(–10, 0). Find the coordinates of the vertices B and B'.
Answers: 1
Mathematics, 21.06.2019 16:30
Hi my sisters and brothers can tell me the answer because i don’t understand the question
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Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 21.06.2019 20:30
I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank
Answers: 2
Mathematics, 21.06.2019 20:30
Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?
Answers: 3
An ellipse has foci F(6, 0) and F(–6, 0) and two vertices at A(10, 0) and A(–10, 0). Find the
coord...
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