Answers26-27 - C - RUSD Math 2N/A

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A parabola can be represented by the equation y squared is equal to 12 x Which equation represents the directrix?

A
x is equal to 3
B
x is equal to negative 3
C
y is equal to negative 3
D
y is equal to 3
42
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A standard deck of 52 playing cards contains 13 cards in each of four suits: hearts, diamonds, clubs, and spades. Four cards are drawn from the deck at random. What is the approximate probability that exactly three of the cards are diamonds?

A
4 percent
B
11 percent
C
44 percent
D
1 percent
43

Jaxon has a bag of marbles. He draws one marble from the bag. Before drawing another marble from the bag, what could Jaxon do to ensure that the events are independent of each other?

A
return the marble he initially drew from the bag
B
add more marbles to the bag
C
keep the marble he initially drew from the bag
D
remove all marbles that are the same color as the first one
44

The probability for event cap A is 0 point 3 , the probability for event cap b is 0 point 6 , and the probability of events cap A or cap b is 0 point 8 Why are the events not mutually exclusive?

A
The sum of cap p times cap A and cap p times cap b is less than cap p times open paren cap A or cap b close paren .
B
The product of cap p times cap A and cap p times cap b is not equal to cap p times open paren cap A or cap b close paren .
C
The product of cap p times cap A and cap p times cap b is less than cap p times open paren cap A or cap b close paren .
D
The sum of cap p times cap A and cap p times cap b is not equal to cap p times open paren cap A or cap b close paren .
45

Sphere cap A has a radius of 24 centimeters, and sphere cap b has a diameter of 42 centimeters. The radius of sphere cap A is multiplied by what factor to produce the radius of sphere cap b ?

A
8 sevenths
B
7 fourths
C
4 sevenths
D
7 eighths
46

The volume of a cone is 3 pi x cubed cubic units and its height is x units. Which expression represents the radius of the cone’s base, in units?

A
9 pi x squared
B
3 pi x squared
C
6 x
D
3 x
47

What is the length of line segment LJ ?

A
18 units
B
15 units
C
9 units
D
12 units
48

What is the length of line segment SA ?

A
3 ft
B
1 point 8 9 ft
C
2 point 4 3 ft
D
7 ft
49

Which point will lie closest to cap b ?

A
cap s
B
cap p
C
cap q
D
cap r
50

What is the probability that a randomly selected car with no 4 -wheel drive has third-row seats?

A
0 point 7
B
0 point 3
C
0 point 8
D
0 point 4
51

Which completes the work correctly?

A
open paren x plus 3 close paren squared plus open paren y plus 2 close paren squared is equal to 4 squared , so the center is 3 comma 2 .
B
open paren x plus 3 close paren squared plus open paren y plus 2 close paren squared is equal to 4 squared , so the center is negative 3 comma negative 2 .
C
open paren x minus 3 close paren squared plus open paren y minus 2 close paren squared is equal to 4 squared , so the center is 3 comma 2 .
D
open paren x minus 3 close paren squared plus open paren y minus 2 close paren squared is equal to 4 squared , so the center is negative 3 comma negative 2 .
52

What is the perimeter of triangle cap A prime cap b prime cap c prime ?

A
13 cm
B
39 cm
C
52 cm
D
26 cm
53

Given triangle ABC approximates triangle XYZ , what is the value of cosine of cap z ?

A
5 over 13
B
12 over 13
C
12 fifths
D
5 over 12
54

What is the measure of overarc WUX in circle cap v ?

A
150 degrees
B
90 degrees
C
60 degrees
D
120 degrees
55

What is the measure of overarc EBC ?

A
90 degrees
B
140 degrees
C
40 degrees
D
220 degrees
56

What is the perimeter of triangle JEG ?

A
70 units
B
75 units
C
60 units
D
65 units
57

What is the difference of the volumes of the two oblique pyramids, both of which have square bases? Round the volumes to the nearest tenth of a cubic centimeter.

A
0 point 7 cm cubed
B
1 point 8 cm cubed
C
2 point 3 cm cubed
D
1 point 2 cm cubed
58

What is the perimeter of triangle RON ?

A
15 point 0 units
B
23 point 7 units
C
18 point 7 units
D
10 point 0 units
59

What is the measure of angle ABC ?

A
144 degrees
B
36 degrees
C
43 degrees
D
72 degrees
60

Point cap g is the center of the small circle. Point cap x is the center of the large circle. Points cap g , cap h , and cap x are on line segment GX What would be the area of a new circle that has line segment GX as its diameter?

A
98 pi cm squared
B
36 pi cm squared
C
16 pi cm squared
D
49 pi cm squared

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N/A — Exam Answers — 26-27 - C - RUSD Math 2