For the following exercises, write an equation describing the relationship of the given variables. 21. y varies jointly as x and z and inversely asw . When x = 3 , z = 5 , a n d w = 6 , t h e n y = 10 .
For the following exercises, write an equation describing the relationship of the given variables. 21. y varies jointly as x and z and inversely asw . When x = 3 , z = 5 , a n d w = 6 , t h e n y = 10 .
Sophia has already prepared 1 kilogram of dough and will continue preparing 1 kilogram of dough every hour write an equation that shows the relationship between the hours work x and the dough prepared y
a. DeepSea Challenger's descent was a change in depth of (-4) feet per
second. We can use the equation y = -4x to model this relationship, where
y is the depth and x is the time in seconds that have passed.
How many seconds does this model suggest it would
take
for DeepSea
Challenger to reach the bottom?
Let yy be a Jane's salary (in thousands of dollars) after she has worked xx years at a company. Assume that the equation y=2.5x+26y=2.5x+26 describes the relationship between x and y.
Years at the companyxx
Salary (thousands of dollars)yy
0
1
2
3
4
By how much does Jane's salary increase each year? $
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