What fraction is represented by the shaded portion of the figure?

A.
B.
C.
D.


Answer: B

Mathematics

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Solve the problem.A balloon is rising vertically at a distance of  from an observer. When the angle of elevation is  it is changing at a rate of  How fast is the balloon ascending?

A. 5.6 ft/s B. 3.0 ft/s C. 3.3 ft/s D. 2.8 ft/s

Mathematics

Write the complex number in rectangular form.3(cos 60° + i sin 60°)

A.  + i
B.  + i
C.  + i
D.  + i

Mathematics

Solve the problem.Each ounce of a sweetened yogurt contains 30 calories, while each ounce of a "light" version of the same yogurt contains 4 calories. Write a formula that gives the number of calories C in x ounces of sweetened yogurt. Write a formula that gives the number of calories C in y ounces of "light" yogurt. If a person eats a 10-ounce container of "light" yogurt rather than a 10-ounce container of sweetened yogurt, what is the calorie difference?

A. C = 30 + x; C = 4 + y; 340 B. C = 30 ÷ x; C = 4 ÷ y; 34 C. C = 30x; C = 4y; 520 D. C = 30x; C = 4y; 260

Mathematics

Provide an appropriate response.Using the following diagram, prove that ?ADB ~ ?BDC.

What will be an ideal response?

Mathematics