Mathematics, 12.10.2019 12:30 alexialiles19
Which expression is equivalent to 15x + 21y? a: 3(5x + 7y) b: xy(15 + 21) c: 3xy(5 + 7) d: 5( 3x + 4y) pls tell me the correct answer to this and how its correct (step by step pls because i really dont get it)
Answers: 1
Mathematics, 21.06.2019 15:30
The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7
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Mathematics, 21.06.2019 17:00
Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?
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Mathematics, 21.06.2019 19:10
The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)
Answers: 1
Which expression is equivalent to 15x + 21y? a: 3(5x + 7y) b: xy(15 + 21) c: 3xy(5 + 7) d: 5( 3...
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