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Chapter 1: Q. 3 (page 13)
If 3 and 4 are the legs of a right triangle, the hypotenuse is _________.
The hypotenuse of the right triangle is 5.
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Determine the coordinates of the points shown. Tell in which quadrant each point lies. Assume the coordinates are integers.
Microphones In studiosand on stages, cardioid microphones are often preferred for the richness they add to voices and for their ability to reduce the level of sound from the sides and rear of the microphone. Suppose one such cardioid pattern is given by the equation
.
(a) Find the intercepts of the graph of the equation.
(b) Test for symmetry with respect to the -axis, -axis, and origin.
The relationship between Celsius (掳C) and Fahrenheit (掳F) degrees of measuring temperature is linear. Find a linear equation relating 掳C and 掳F if 0掳C corresponds to 32掳F and 100掳C corresponds to 212掳F. Use the equation to find the Celsius measure of 70掳F.
The slope and a point on a line are given. Use this information to locate three additional points on the line. Answers may vary.
Slope 2, Point
Find the distance between the points and
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