40 points someone me with these 3 math questions got a deadline to meet
give right an...
Mathematics, 19.11.2019 19:31 dootdootkazoot
40 points someone me with these 3 math questions got a deadline to meet
give right answers no false
5. evaluate the function f(x) = 4 ∙ 7^x for x = -1 and x = 2. show your work
17. find the roots of the quadratic equation x^2 - 8x = 9 by completing the square. show your work
18. use the discriminant to find the number of real solutions of the equation 3x^2 - 5x + 4 = 0 show your work.
a water balloon is tossed into the air with an upward velocity of 25ft/s. its height h(t) in ft after t seconds is given by the function h(t) = - 16t^2 + 25t + 3. show your work
19. after how many seconds will the balloon hit the ground? (hint: use the quadratic formula)
20 what will the height be at t = 1 second
Answers: 3
Mathematics, 21.06.2019 16:30
Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?
Answers: 1
Mathematics, 21.06.2019 18:00
How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?
Answers: 1
Mathematics, 21.06.2019 19:30
What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
Answers: 1
Mathematics, 21.06.2019 22:10
On a piece of paper, graph y< x-1. then determine which answer choicematches the graph you drew.13. z3. 2(3.290-1)
Answers: 2
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