Find the length of the curve.x = cos 2t, y = sin 2t, 0 ? t ? 2?

A. ?
B. 4?
C. 6?
D. 2?


Answer: B

Mathematics

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Calculate the value of the following numerical expression. -  ? 

A.
B.  
C.
D.

Mathematics

Determine whether the given value is a solution of the inequality.-4x ? 10, x = 4

A. No B. Yes

Mathematics

Solve the problem.Jake has a cable that is 50.4 feet long. He wants to cut it into pieces that are 5.6 feet long. How many 5.6-foot pieces will he get from the cable?

A. 90 pieces B. 8 pieces C. 10 pieces D. 9 pieces

Mathematics

Which of the following is not true about the area of a Quadrilateral??

A. ?Area is measured in square units. B. ?Area of a Rectangle = Length × Width C. ?If a rectangle is a quadilateral, then the area of a rectangle and a quadilateral can be expressed as:  A = LW. D. ?Since not all parallelograms are rectangles, then the area of a parallelogram is not: A = LW. E. ?Since not all quadrilaterals are rectangles, then the area of a quadrilateral is not: A = LW.

Mathematics