Provide an appropriate response.An oil burner heats air, then a fan blows it straight forward. As the distance from the burner increases, the temperature drops proportionally. When the distance is 2 m, the temperature is 78°. Find the constant of variation and solve to find what the temperature will be at 3 m to the nearest whole degree.
Fill in the blank(s) with the appropriate word(s).
52°
Mathematics
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Complete the exercises using counting techniques. A local department store sold carpets in 3 sizes. Each carpet came in 2 qualities. One size of carpet came in 5 colors. The other sizes came in 3 colors. How many choices of carpet were there?
A. 22 B. 28 C. 30 D. 27
Mathematics
Provide an appropriate response.Express the following by using positive exponents: 5-3
What will be an ideal response?
Mathematics
Solve the problem.Since tan 
= 1 and 
is in the interval 
, tan-1 1 =
A. 
B. - 
C. 4
D. 
Mathematics
Write the standard form of the equation of the circle.Center (0, -5), r = 7
A. (x - 5)2 + y2 = 49 B. (x + 5)2 + y2 = 49 C. x2 + (y + 5)2 = 49 D. x2 + (y - 5)2 = 7
Mathematics