Solve the problem. Round answer to the nearest tenth, if appropriate.A square has an area of 49 in.2. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 in.2. Find the dimensions of the rectangle.

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


Answer: B

Mathematics

You might also like to view...

Integrate by first changing the form of the integrand.Integrate by using the fact that elnx = x.

A. xe-x + C B. e-x + C C. -xe-x + C D. -e-x + C

Mathematics

Convert the following.480 centimeters to meters and centimeters

A. 4 m and 30 cm B. 4 m and 80 cm C. 14 m and 80 cm D. 104 m and 80 cm

Mathematics

Determine whether the vectors  and  are equivalent.A(9, 3), B(15, 6), C(9, 6), and D(14, 9)

A. Not equivalent B. Equivalent

Mathematics

Find the indefinite integral . ?

A.
B.
C.
D.
E.

Mathematics