Solve the problem.One acre is about 0.4 hectare. Use this information to determine the equivalent of 39.6 acres in hectares.

A. 6.336 ha
B. 99 ha
C. 15.84 ha
D. 40 ha


Answer: C

Mathematics

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Find y".y = ( - 4)-3

A. - ( - 4)-4
B. 6( - 4)-5
C. - ( - 4)-5
D. ( - 4)-5

Mathematics

Find the most general antiderivative.dx

A. 6x4 + 12x2 + 4x + C
B. x4 + 3x+ 4x + C
C. 2x4 + 6x2 + 4x + C
D. 6x2 + 6 + C

Mathematics

Solve the problem.A square has an area of 49 square inches. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 square inches. Find the dimensions of the rectangle.

A. 5 in. by 10 in. B. 3 in. by 4 in. C. 5 in. by 9 in. D. 4 in. by 9 in.

Mathematics

Determine which operation is indicated by each word or phrase.quotient

A. multiply B. subtract C. divide D. add

Mathematics