Mathematics, 22.04.2021 18:10, carmencolon119
When using elimination to solve the system for x, which step is appropriate?
2x + y + 1 = 0
3x β2y + 5 = 0
A) Multiply the top equation by β2.
B) Multiply the bottom equation by β1. Reactivate
C) Multiply the top equation by 1. Reactivate
D) Multiply the top equation by 2.
Answers: 3
Mathematics, 21.06.2019 14:30, paulinahunl17
The minimum wage in washington has been increasing over the last ten years. years 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 washington state minimum wage $6.50 $6.72 $6.90 $7.01 $7.16 $7.35 $7.63 $7.93 $8.07 $8.55 $8.55 a) find the linear regression equation for the minimum wage in washington using this data ( x ο½ 0 in 2000). round to the thousandths. b) what is the slope? specifically, what does the slope represent in the real world context? c) what is the y-intercept? specifically, what does the y-intercept represent in the real world context? d) write your equation as a function of x. e) if you do not earn a college degree and you are earning minimum wage in 2020, what do you predict you will be earning per hour with the linear regression equation? f) if the trend continues, when will the minimum wage be $15 an hour? 3. why are your answers to #1d and #2a above different? which do you think is more accurate (#1 or #2) and why
Answers: 1
Mathematics, 21.06.2019 20:30, wednesdayA
Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2
Answers: 2
Mathematics, 21.06.2019 22:10, 666isabella666
Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min
Answers: 3
When using elimination to solve the system for x, which step is appropriate?
2x + y + 1 = 0
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