ACT - Math - 查题吧

单选题

All of the following statements concern triangles that are similar, congruent, or both. Which statement is FALSE？

A. Triangles that are congruent to each other are always similar to each other.
B. Lengths of corresponding sides of similar triangles are always equal.
C. Lengths of corresponding sides of congruent triangles are always equal.
D. Measures of corresponding angles of similar triangles are always equal.
E. Measures of corresponding angles of congruent triangles are always equal.

单选题

Let 0 ＜a＜ b ＜ c ＜ d be true for integers a, b, c, and d.Which of the following

A. d/a
B. c/b
C. a/b
D. d/c
E. a/d

单选题

The straight-line distance, in miles, from Marville to Bright City must be:

A. less than 140.
B. between 140 and 300.
C. between 300 and 390.
D. between 390 and 460.
E. more than 460.

单选题

What is the median of the following 7 scores？<br>42, 67, 33, 79, 33, 89, 21

A. 42
B. 52
C. 54.5
D. 56
E. 79

单选题

To determine a student’s overall test score for thesemester, Ms. Lopez throws out the lowest test scoreand takes the average of the remaining test scores.Victor earned the following test scores in Ms. Lopez’sclass this semester: 62, 78, 83, 84, and 93. What over-all test score did Victor earn in Ms. Lopez’s class thissemester？

A. 67.6
B. 80.0
C. 83.0
D. 83.5
E. 84.5

单选题

Which of the following lists all the positive factors of 8？

A. 1,8
B. 2,4
C. 2,4,6
D. 8,16,32
E. 1,2,4,8

不定项选择题

A car averages 27 miles per gallon. If gas costs $4.04 per gallon, which of the following

A. $44.44
B. $109.08
C. $118.80
D. $408.04
E. $444.40

不定项选择题

What is the value of x when 2x + 3 = 3x–4 ？

A. –7
B. -1/5
C. 1
D. 1/5
E. 7

单选题

If y = 3, then y3(y3-y)=

A. 300
B. 459
C. 648
D. 999
E. 1099

单选题

Lee worked 22 hours this week and made $132. If she works 15 hours next week at the same pay rate, how much will she make？

A. $57
B. $90
C. $104
D. $112
E. $122

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