To
6. A balloon is connected to a meteorological
station by a 200 km cable and is 150 km...
Mathematics, 17.04.2020 06:14 itscheesycheedar
To
6. A balloon is connected to a meteorological
station by a 200 km cable and is 150 km off the
ground. Find the angle of elevation that the
balloon makes from the ground. (Imagine that
there is no slack in the cable)
Answers: 1
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Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81
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Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°
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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 18:40
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
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