Mathematics, 21.10.2019 21:10 Brock2002
1. does the function show a direct linear variation, quadratic variation, or inverse variation? explain.
a. f(x) = 1/8x^2
b. xy = 9
c. p(x) = x/11
2. the amount of time, t, miranda spends cross-country skiing varies directly with the number of miles, m, she skis. suppose miranda skis 2 mi in 0.5 h.
a. write a direct variation equation relating this information.
b. use your direct variation equation from part a to determine how much time it takes miranda to ski 5.2 mi.
3. the length, d, of a violin string varies inversely as the frequency, f, of its vibrations (cycles per second). suppose it is known that a 16-in.-long violin string vibrates 320 cycles per second.
a. write an inverse variation equation modeling this information.
b. use your inverse variation equation from part a to determine the frequency of an 8-in.-long violin string.
Answers: 3
Mathematics, 21.06.2019 17:30
11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"
Answers: 1
Mathematics, 21.06.2019 21:50
6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution
Answers: 1
Mathematics, 22.06.2019 00:30
If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking
Answers: 2
Mathematics, 22.06.2019 02:00
The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams
Answers: 3
1. does the function show a direct linear variation, quadratic variation, or inverse variation? exp...
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