N/A — Exam Answers

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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
add more marbles to the bag
B
remove all marbles that are the same color as the first one
C
keep the marble he initially drew from the bag
D
return the marble he initially drew from the bag
23

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

A
y is equal to 3
B
y is equal to negative 3
C
x is equal to 3
D
x is equal to negative 3
24

Given right triangle XYZ , what is the value of tangent of open paren 60 degrees close paren ?

A
1 half
B
square root of 3
C
the fraction with numerator square root of 3 and denominator 2
D
2 over 1
25

What is the length of line segment DG ?

A
23 units
B
7 units
C
4 units
D
12 units
27

What is the length of line segment DB ?

A
4 units
B
8 units
C
16 units
D
20 units
28

What is the measure of arc AD ?

A
180 degrees
B
106 degrees
C
74 degrees
D
53 degrees
29

In circle cap y , what is m angle SZT ?

A
108 degrees
B
94 degrees
C
128 degrees
D
86 degrees
30

What is true about triangle ABC ? Choose three correct answers.

A
The triangle is a right triangle.
B
The triangle is an isosceles triangle.
C
The triangle is an equilateral triangle.
D
line segment AB perpendicular to line segment AC
E
line segment BC is parallel to line segment AC
33

Which measurements are correct? Choose two correct answers.

A
m angle XWZ is equal to 60 degrees
B
m overarc XY is equal to 60 degrees
C
m overarc ZX is equal to 180 degrees
D
m overarc YZ is equal to 120 degrees
E
m angle YWZ is equal to 120 degrees
34

Which expression represents the volume of the pyramid?

A
1 third n open paren n minus 1 close paren units cubed
B
1 third n cubed open paren n minus 1 close paren units cubed
C
1 third n open paren n minus 1 close paren squared units cubed
D
1 third n squared open paren n minus 1 close paren units cubed
35

Which statement is true about whether cap A and cap b are independent events?

A
cap A and cap b are not independent events because cap p times open paren cap A divides cap b close paren is equal to 0 point 1 8 and cap p times cap A is equal to 0 point 4 .
B
cap A and cap b are independent events because cap p times open paren cap A divides cap b close paren is equal to cap p times cap A is equal to 0 point 1 8 .
C
cap A and cap b are independent events because cap p times open paren cap A divides cap b close paren is equal to cap p times cap A is equal to 0 point 4 .
D
cap A and cap b are not independent events because cap p times open paren cap A divides cap b close paren is equal to 0 point 4 and cap p times cap A is equal to 0 point 1 8 .
36

In circle cap y , what is m frown set over TU ?

A
59 degrees
B
71 degrees
C
67 degrees
D
118 degrees
37

In parallelogram LMNO , what is the measure of angle cap m ?

A
20 degrees
B
60 degrees
C
100 degrees
D
80 degrees
39

Which represents the value of c ?

A
c is equal to the fraction with numerator 3 times sine times open paren 45 degrees close paren and denominator sine of open paren 40 degrees close paren
B
c is equal to the fraction with numerator sine of open paren 45 degrees close paren and denominator 3 times sine times open paren 40 degrees close paren
C
c is equal to the fraction with numerator sine of open paren 40 degrees close paren and denominator 3 times sine times open paren 45 degrees close paren
D
c is equal to the fraction with numerator 3 times sine times open paren 40 degrees close paren and denominator sine of open paren 45 degrees close paren
40

Which expression represents the volume, in cubic units, of empty space in the cube?

A
4 thirds pi open paren 4 point 5 cubed close paren minus 4 point 5 cubed
B
9 cubed minus 4 thirds pi open paren 4 point 5 squared close paren
C
4 thirds pi open paren 4 point 5 cubed close paren minus 9 cubed
D
9 cubed minus 4 thirds pi open paren 4 point 5 cubed close paren

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