Mathematics, 04.12.2020 06:50 krystinayagel013
Solve the equation-3x² + 2x + 4 = -x - 3 by writing a linear-quadratic system and solving using the intersection feature of a graphing calculator.
Round to the nearest hundredth.
A. X=-2.44 and x = 3.12
B. X=-1.63 and x = 4.43
C. X=-1.11 and x = 2.11
D. X.-2.61 and x = 0.42
Answers: 1
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Mathematics, 22.06.2019 01:50
:i need some real : a store sells shirts to the public at one pricing scale and wholesale at another pricing scale. the tables below describe the cost, y, of x shirts. (after tables) how do the slopes of the lines created by each table compare? the slope of the public table is 3/4 of the slope of the wholesale table.the slope of the wholesale table is 3/4 of the slope of the public table.the slope of the public table is 12 times greater than the slope of the wholesale table.the slope of the wholesale table is 12 times greater than the slope of the public table.
Answers: 3
Solve the equation-3x² + 2x + 4 = -x - 3 by writing a linear-quadratic system and solving using the...
Biology, 27.03.2020 03:30
Mathematics, 27.03.2020 03:30
Mathematics, 27.03.2020 03:30
Mathematics, 27.03.2020 03:30
Mathematics, 27.03.2020 03:30
Computers and Technology, 27.03.2020 03:30
English, 27.03.2020 03:30
Mathematics, 27.03.2020 03:30
Health, 27.03.2020 03:30