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 β 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 19:40
The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 ΠΏΠΎΠ»
Answers: 1
Mathematics, 21.06.2019 20:50
Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?
Answers: 3
Mathematics, 22.06.2019 01:10
A3cmΓ3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cmΓ3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.
Answers: 3
Mathematics, 22.06.2019 03:30
Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.
Answers: 3
Mathematics, 03.03.2021 18:50
History, 03.03.2021 18:50
Mathematics, 03.03.2021 18:50
Mathematics, 03.03.2021 18:50
Mathematics, 03.03.2021 18:50
Mathematics, 03.03.2021 18:50
Mathematics, 03.03.2021 18:50
Mathematics, 03.03.2021 18:50
Social Studies, 03.03.2021 18:50
Mathematics, 03.03.2021 18:50
Mathematics, 03.03.2021 18:50
Social Studies, 03.03.2021 18:50