The horn of an approaching train produces sound waves with a frequency of 88 Hz. Find the wavelength of that frequency if the air temperature is 35°C. Use the Doppler effect.
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How can you solve an equation with a variable on both sides? complete the explanation. you can solve the equation by using *(blank)* operations to get the variable terms on one side of the equal sign and the constant terms on the *(blank)* side. then *(blank)* both sides by the coefficient of the resulting variable term.

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box