Page 501 - Algebra 1

25. Multi-Step There is an inverse square relationship between the electrostatic force (64) between two charged objects and the distance between the two objects, meaning
that F = _k . If two objects are 10 centimeters apart and have an attractive force d2
of 0.512 newtons, how far apart are the two objects when they have an attractive force of 0.0142 newtons? Round to the nearest centimeter.
*26. Jewelry Appraisal Maria has a white gold ring with a mass of 10.3 grams and a
(63) volume of 0.7 cubic centimeters. White gold is made of nickel and gold. Nickel’s
mass is 9 grams per cubic centimeter and gold’s mass is 19 grams per cubic centimeter. What is the volume of each metal in the ring?
27. Multi-Step Jack is building a rectangular barn. Write an expression for the area of (60) the region. Then find the area.
(x - 3)
(x + 3)
28. Find the product of (x + 2)(x2 + 2x + 2) using the Distributive Property. (58)
29. Find the LCM of (24r - 6d) and (20r - 5d). (57)
30. Books Every14bnbooksdonatedtothelibraryarenonfiction.Every38b9nbooks (57) donated are new. How many books have been donated when a new, nonfiction
book is donated?
486 Saxon Algebra 1