Mathematics, 30.03.2021 16:50 veronica25681
Assume the speed of sound is 343m/s. If you shout across a canyon and it takes 2.5 seconds to hear your echo, How wide is the canyon?
8. If the wavelength of 550 Hz sound in a liquid is 3.1m, what is the speed of this wave in the liquid?
9. Assume the speed of sound is 343m/s. The sound emitted by a bat has a wavelength of 10.0 mm, what is the frequency of this wave?
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10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
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Daryl factors the polynomial p(x)=x3+x2−26x+24 to rewrite it as p(x)=(x+6)(x−4)(x−1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(−4)=0 p(−1)=0 p(6)=0 p(4)=0 p(−6)=0
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Mathematics, 21.06.2019 22:00
How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two
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Assume the speed of sound is 343m/s. If you shout across a canyon and it takes 2.5 seconds to hear y...