Find x in the figure.

A.
B. 10
C. 10
D.


Answer: B

Mathematics

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Find the surface area of the surface S.S is the surface x2 + 3z = 0 that lies above the region bounded by the x-axis,  and y = x.

A.
B. 7
C.
D.

Mathematics

Determine an appropriate domain of the function. Identify the independent and dependent variables.A weather balloon of radius r (in meters) is filled with air. The volume V of the balloon is given by the function . Assume the balloon can hold up to 8 m3 of air.

A. D = 
The independent variable is r.
The dependent variable is V.
B. D = 
The independent variable is r.
The dependent variable is V.
C. D = 
The independent variable is V.
The dependent variable is r.
D. D = [0, 8]
The independent variable is r.
The dependent variable is V.

Mathematics

The label on a stock medication states that there are 75 mg of medication in 5 mL of solution. If the doctor's order is for 225 mg of medication, how many teaspoons of medication should be given?

A.

3 t

B. 15 t
C. 1 t
D. 5 t

Mathematics

Perform the operation and reduce to lowest terms.2 × 14

A. 28
B. 30
C. 16
D. 196

Mathematics