A piece of sheet metal, 20 inches wide, is bent to form the gutter shown in the illustration. If the cross-sectional area is 50 square inches, find the depth of the gutter.
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Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Answer: 5
Mathematics
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Find u ? v, where ? is the angle between the vectors u and v. Round the answer to the nearest tenth.
=3, 
= 3, ? = 141°
A. -7 B. -4.7 C. -7.7 D. -11.6
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Solve for the indicated variable.Solve q = 
for p.
A. p = 
B. p = 
C. p = 
D. p = 
Mathematics
Decide if the expression is factored.5k(6k - p)
A. Yes B. No
Mathematics
Solve and graph. Write the solution set in interval notation.9x + 2 < -43 and -1 - 4x > -17
A. (-?, -5) ? (4, ?)
B. (-?, 4)
C. (-5, 4)
D. (-?, -5)
Mathematics