# of 22 Points:1 / 1 Five years ago the ratio of Alice's to Bernard's age was 1:4. 10 years from now, the ratio of Alice's to Bernard's age will be 2:3. How old is Bernard?

Cập nhật ngày: 01-08-2024

Chia sẻ bởi: Nguyễn Đăng An

of 22

Points:1 / 1

Five years ago the ratio of Alice's to Bernard's

age was 1:4. 10 years from now, the ratio of

Alice's to Bernard's age will be 2:3. How old is

Bernard?

Points:1 / 1

Five years ago the ratio of Alice's to Bernard's

age was 1:4. 10 years from now, the ratio of

Alice's to Bernard's age will be 2:3. How old is

Bernard?

A

15

B

17

C

25

D

27

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of 22

Points:1 / 1

Bernard began to ride a bicycle slowly to the

town library, and he spent 30 minutes in the

library, and then rode quickly to the book store

to buy a novel. If after 10 minutes, he began to

ride home slowly again, which of the following

could possibly represent the trip?

Points:1 / 1

Bernard began to ride a bicycle slowly to the

town library, and he spent 30 minutes in the

library, and then rode quickly to the book store

to buy a novel. If after 10 minutes, he began to

ride home slowly again, which of the following

could possibly represent the trip?

A

B

C

D

of 22

Points:1 / 1

In the regular hexagon above, the length of a

side of the hexagon is 10. What is the length of

PQ?

Points:1 / 1

In the regular hexagon above, the length of a

side of the hexagon is 10. What is the length of

PQ?

A

15

B

20

C

20√ 3

D

25

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Points:0 / 1

In the figure above, the part of a circle has an

area of 30π and its center at point 0. If the

measure of ∠AOB is 60°, what is the

perimeter of the figure?

Points:0 / 1

In the figure above, the part of a circle has an

area of 30π and its center at point 0. If the

measure of ∠AOB is 60°, what is the

perimeter of the figure?

A

12 + 2π

B

12 + 5π

C

12 + 10π

D

24 - 5π

of 22

Points:0 / 1

In the xy-plane, the equation of line l is

y = -

over the x-axis, what is the equation of line m ?

Points:0 / 1

In the xy-plane, the equation of line l is

y = -

^{3}/_{5}x + 4 . If line m is a reflection of line lover the x-axis, what is the equation of line m ?

A

B

C

D

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Points:1 / 1

MATH TEST RESULTS

The table above shows the results for 100

students on a Math test. Which of the following

can be determined from the information in the

table?

I. The average (arithmetic mean) score of

the test.

II. The median score of the test.

III. The mode of the test

Points:1 / 1

MATH TEST RESULTS

Test Scores | Number of Students |
---|---|

100 | 3 |

95 | 10 |

90 | 20 |

85 | 30 |

70 | 17 |

less than 70 | 20 |

The table above shows the results for 100

students on a Math test. Which of the following

can be determined from the information in the

table?

I. The average (arithmetic mean) score of

the test.

II. The median score of the test.

III. The mode of the test

A

I only

B

II only

C

I and II only

D

II and III only