Decide what number must be added to the binomial to make a perfect square trinomial.x2 - x

A. - 
B.
C. - 
D.


Answer: D

Mathematics

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The period P, in years, of a planet is the time it takes to make a single orbit of the sun. The period is related to the distance D from the sun by the formula . A:  Neptune is 30 times as far from the sun as Earth. How long does it take Neptune to make a single orbit around the sun?B:  The period of Mercury is 88 days. Express the period of mercury in terms of years.C:  The Earth is 93 million miles from the sun. Use your answer to part B to determine how far Mercury is from the sun. ? Round your answers to two decimal places if necessary. ?

What will be an ideal response?

Mathematics

Solve the problem.A bird flies from its nest 2 km in the direction 1° north of east, where it stops to rest on a tree. It then flies 5 km in the direction 3° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the telephone pole located?

A. (-4.993, -0.2617) B. (2.000, 0.03490) C. (-2.993, -0.2268) D. (6.031, -1.019)

Mathematics

Using a calculator, find the decimal approximation to the nearest thousandth. If the square root is not a real number, so state.

A. 1.179 B. 1.000 C. 1.194 D. 1.166

Mathematics

Find the product.



a.
b. 28
c.
d.
e.

Mathematics