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Answers by Johnjohn

Answers by Johnjohn
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A truck is traveling at 74.5 kilometers per hour away from you. The driver is blowing the horn which has a frequency of 415 Hz. The speed of the sound is 346 m/s. What is the observed frequency of the
answered Jul 13, 2018
2 votes
128k views
Tony asked his class "to the nearest 10 min, how many min did you spend on homework last night?" how many students studied for 30 min or more? A.5 students B.8 students C.11 students. D.13 students
answered Dec 1, 2017
0 votes
164k views
Find the 11th partial sum of the summation of negative 7i plus 22, from i equals 1 to infinity. ∞ ∑ -7+22? i=1
answered Aug 11, 2017
3 votes
181k views
each week, you drive 150 miles. Your car gets 25 miles to the gallon, and gas prices are $3 per gallon. How much gas money will you spend on gas each week?
answered Jul 20, 2017
5 votes
16.4k views
Which organelle stores and transports material? Golgi apparatus Vesicle Lysosome Mitochondria
answered Jun 28, 2017
3 votes
113k views
Does the field of view get smaller or larger as you increase magnification
answered Dec 15, 2016
2 votes
123k views
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