Page 173 - Algebra 1

24.
(10)
25.
(3)
26.
(2)
Subtract _1 - _1. 43
Probability The probability of rolling a 4 on a six-sided number cube is _1 . To find 6
the probability of rolling a 6-sided number cube and getting a 4 five times in a
row, multiply the probability _1 by itself five times. Write the answer using an 6
exponent.
Investing To find the amount of money earned on a bank deposit that earns
quarterly compounded interest, the formula A = P(1 + _r )4t is used. 4
P = principal, (the amount originally deposited) r = the interest rate
t = time in years.
a. How many terms are in P(1 + _r )4t?
b. How many variables are in P(1 + _r )4t? 4
c. What is the coefficient of t?
Identify the coefficient, the variable(s), and the number of terms in _1 Bh.
Multi-Step The Noatak National Preserve in Alaska covers 6,574,481 acres. One acre is equal to 4840 square yards. What is the area of the preserve in square miles? a. Find the area of the preserve in square yards.
27.
(2)
28.
(8)
29.
(12)
30.
(Inv 1)
3
4
b. Convert square yards to square miles. (Hint: 1 mile = 1760 yards) Geometry To find the volume of a rectangular-prism shaped–
sunscreen bottle, Jagdeesh uses the formula V = lwh. Betty uses the formula V = wlh. Will the volume of the bottle be the same? Explain.
h
w l
The spinner in a board game is divided into four equal sections colored blue, red, green, and yellow. Conduct a simulation using random numbers to determine the number of times the spinner lands on blue in 30 spins. Use the random number generator in a graphing calculator to simulate the spins.
blue red
green yellow
158
Saxon Algebra 1