Page 172 - Algebra 1

*13. Multi-Step Emil cooks 64 hot dogs. He uses 5 packages of hot dogs plus 4 hot dogs
(23)
*14. Kangaroos A large kangaroo can travel 15 feet in each hop. Write and solve an (21) equation to find how many hops it takes for the kangaroo to travel one mile.
(Hint: 5,280 feet = 1 mile)
15. Verify Show that the graphed point is a solution to the equation y = 2x + 9.
(12)
-
16. Analyze Determine whether 3p2qd 3 and (2qdp · -5d 2p) are terms that can be (18) combined. Explain your reasoning.
17. Probability The probability of rain on Monday is a. It is twice as likely to (17) rain on Tuesday. Write an expression to represent the probability of rain on
Tuesday.
18. Biology A biologist wants to calculate the volume of a spherical cell. She uses the
(16) equation for the volume of a sphere, which is V = _4 πr3. If the cell has a radius of 3
2 micrometers, what is its volume? Use 3.14 for π and round to the nearest tenth.
19. Employment Jim manages a restaurant that is currently hiring employees. On (14) Tuesday, he interviewed 2 waiters, 2 line cooks, 3 dishwashers, and 1 chef. On
Thursday, he interviewed 2 waiters, 1 line cook, 2 dishwashers, and 3 chefs. What is the probability that a randomly selected person interviewed applied to be a waiter?
20. Verify Compare the following expression using <, >, =. Verify your answer. (13)
√ 32 4 - √ 14 4 √ 40 0 - √ 28 9 21. Evaluate.
(7)
_6[5(3 + 4)] 2
22. Model Use a number line to model -8 - (-4) - (-6). Then simplify the (6) expression.
23. Simplify. (4)
2·(3+4)2 +15
left over from a meal earlier in the week. How many hot dogs are in each package? a. Write an equation to find the number of hot dogs in a package.
b. Solve the equation, and then check the solution.
2
y
6
4
O
x
-4
-2
2
4
2
Lesson 26 157