Mathematics, 22.04.2021 18:50 ani61
If y varies jointly as x and z. If y = 12 when x = 18 and z = 6, find y when x = 81 and
z = 7.
If y varies inversely as x and y = 5 when x = 5, find y when x = 45.
If y varies directly as z and inversely as x and y = 27 and z = –3 when x = 2, find x when
y = 9 and z = 5.
Answers: 3
Mathematics, 21.06.2019 17:00
The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is
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Mathematics, 22.06.2019 02:30
Write the equation of the line that passes through (3, 4) and (2, −1) in slope-intercept form. (2 points) y = 3x − 7 y = 3x − 5 y = 5x − 11 y = 5x − 9
Answers: 1
Mathematics, 22.06.2019 05:30
Great freights a local shipping company, bases its charges on the weight of the items being shipped. in addition to changing 0.40$ per pound, great freights also charges a one-time fee of 10$ to set up a customers account.
Answers: 3
Mathematics, 22.06.2019 08:50
Write a general formula to describe the variation: x varies directly with y
Answers: 1
If y varies jointly as x and z. If y = 12 when x = 18 and z = 6, find y when x = 81 and
z = 7.
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