Mathematics, 18.12.2019 03:31 pyrkest4688
Astate department of public safety added 13x2 + 5x miles of highway to connect cooltown and bragville. it cost the department 3x2 β 9x thousand dollars to complete each mile of interstate. which expression shows the total cost, in thousands of dollars, of creating this highway?
x4 + 12x3 β 45x2
x4 β 45x2
x4 + 15x3 β 48x2
9x4 β 12x3 β 45x2
Answers: 3
Mathematics, 21.06.2019 19:00
To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36
Answers: 1
Mathematics, 21.06.2019 19:00
Simplify. β4x^2 (5x^4β3x^2+xβ2) β20x^6β12x^4+8x^3β8x^2 β20x^6+12x^4β4x^3+8x^2 β20x^8+12x^4β4x^2+8x β20x^6+12x^4+4x^3β8x^2
Answers: 1
Mathematics, 21.06.2019 19:30
Hi, can anyone show me how to do this problem? 100 points for this. in advance
Answers: 2
Mathematics, 21.06.2019 22:00
Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)
Answers: 1
Astate department of public safety added 13x2 + 5x miles of highway to connect cooltown and bragvill...
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