Mathematics, 03.10.2019 11:10 browndarrell085
Penny needs 30 cubic ft of sand to fill a sandbox. she plans to buy 10 bags of sand for her sandbox. each bag contains 2.9 cubic feet of sand. is this a reasonable plan? a. yes, it is reasonable because each bag covers around 3 cubic feet. so in order to cover 30 cubic feet she would need 10 bags to be sure she has enough and end up with a little extra. b. no, it is not reasonable because each bag covers around 3 cubic feet. so in order to cover 30 cubic feet, she would need at least 30 bags to be sure she has enough sand. c. no, it is not reasonable because each bag covers a bit less than 3 cubic feet. so in order to cover 30 cubic feet, she would need to buy 11 bags to be sure she has enough sand
Answers: 1
Mathematics, 21.06.2019 14:10
Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5
Answers: 2
Mathematics, 21.06.2019 16:30
11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%
Answers: 2
Mathematics, 21.06.2019 17:40
Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =
Answers: 1
Mathematics, 21.06.2019 19:40
Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y
Answers: 2
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