Page 469 - Algebra 1

24. Error Analysis Two students found the probability of choosing either a black 2 or a (68) king from a deck of cards. Which student is correct? Explain the error.
Student A
P(AorB)=_2 +_4 52 52
= _6 52
= _3 26
Student B
P(AorB)=_2 ·_4 52 52
= _8 2704
1 = _338
*25. Multi-Step Miranda baked several casseroles: 36 servings of chicken casserole, (68) 24 servings of pasta casserole, 30 servings of beef casserole, and 28 servings of vegetarian casserole. She gives 1 serving to her brother. What is the probability
that he will get a pasta casserole or a vegetarian casserole? a. What is the probability that the serving will be pasta?
b. What is the probability that the serving will be vegetarian?
c. What is the probability that the serving will be pasta or vegetarian?
26. If a circle is made into the spinner shown, (68) what is the probability of landing on either a
black space or a space worth 10 points?
20 10 black orange
27. Analyze True or False: For the set of integers, √ xn can be simplified when x ≥ 0 (69) and n ≥ 2. Justify your answer.
*28. Error Analysis Ms. Nguyen asks her students if they can combine the radicals in the (69) expression √ 13 x + √ 23 x -√ 33 x. Student A says it is possible. Student B says
that the radicals in the expressions √ 13 x + √ 23 x - √ 33 x do not combine. Which student is correct? Explain the error.
*29. Estimate Estimate the sum of √ 51 + √ 63 + √ 83 + √ 10 4. (69)
*30. Great Pyramid Each of the four sides of the base of the (69) Great Pyramid measures 756 feet. If a scale model is
made with the measurement of √ 75 6 inches for each side of the base, how many inches is the perimeter of the base of the scale model of the pyramid rounded to the nearest whole number?
10 black
20 orange
20 orange
10 black
10
orange white
20
454 Saxon Algebra 1