Mathematics, 13.07.2019 07:50 mahdy43
Aplumber charges a flat fee of $79 to visit a home and examine a clogged drain. the plumber charges an additional $21 per hour spent fixing the drain. the total cost, c (in dollars), for fixing a drain that takes, h hours is given by the following function. c(h)=79+21h (a) what is the total cost for fixing a drain that takes 7 hours? (b) if the plumber charges a total of $310, how many hours did he spend fixing the drain?
Answers: 1
Mathematics, 21.06.2019 19:30
Which of the points a(6, 2), b(0, 0), c(3, 2), d(β12, 8), e(β12, β8) belong to the graph of direct variation y= 2/3 x?
Answers: 2
Mathematics, 21.06.2019 21:00
An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.
Answers: 1
Mathematics, 21.06.2019 21:50
Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.
Answers: 3
Mathematics, 21.06.2019 22:00
Given that sinβ
= 1/4, 0 < β
< Ο/2, what is the exact value of cosβ
? a. (β4)/4 b. (β15)/4 c. (4Ο)/2 d. (4β2)/4
Answers: 2
Aplumber charges a flat fee of $79 to visit a home and examine a clogged drain. the plumber charges...
Mathematics, 19.10.2019 02:30