Let x be the amount invested at 7%, leaving 30000-x to be invested at 9%.
The equation is
2320 = 0.07 x + 0.09 (30000 - x)
2320 = -0.02 x + .09(30000)
0.02 x = .09(30000) - 2320
x = ( .09(30000) - 2320) / .02
x = 19000
Answer: $19000 at 7%, $11000 at 9%
Check:
19000(.07)+11000(.09) = 2320, good
Answer: k < 3.5
explanation: < means less than and > means more than and = means equal to so k < (less than) 3.5
Answer:
you can do this by this please vote also
Answer:
(1,3)
Step-by-step explanation:
A line with a slope of 1 will have a rise of 1 for each run of 1. (This is the definition of slope.) That is, another point on the line will be 1 unit higher for each unit to the right of the given point.
One possibility is (0, 2) +(1, 1) = (1, 3).
Answer: B) 12.5
Step-by-step explanation:
In a box-and-whisker plot, the first line(dot) is the smallest value, the second line is the first quartile, the third line is the median, the fourth line is the third quartile, and the last line(dot), is the maximum.
Hope it helps :D