What is the correct first step to solve this system of equations. 4x-3y=-10, 2x+3y=4
a) a...
Mathematics, 03.02.2020 04:59 amanuelwold
What is the correct first step to solve this system of equations. 4x-3y=-10, 2x+3y=4
a) add the 2 equations together
b) subtract the 2 equations
c) multiply the second equation by 3
d) divide the first equation by 4
Answers: 2
Mathematics, 21.06.2019 17:00, mmassaro19
Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.
Answers: 1
Mathematics, 21.06.2019 21:30, muncyemily
Which of the following shows the length of the third side, in inches, of the triangle below
Answers: 2
Mathematics, 21.06.2019 23:40, hannahbannana98
Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.
Answers: 2
Mathematics, 22.06.2019 00:30, student176
Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.
Answers: 1
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