Solve the inequality: 4x + 7 > 55.
Correct answer(s):
- x > 12
Subject
Mathematics
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Solve for x: 12x + 16 = 76.
Correct answer(s):
- 5
Solve the inequality: 5x – 1 < 24.
Correct answer(s):
- x < 5
A student can choose from 6 shirts, 4 pants, and 1 pairs of shoes. How many different outfits are possible?
Correct answer(s):
- 24
Solve for x: 5x – 9 = 11.
Correct answer(s):
- 4
Factorize completely: 50x + 5.
Correct answer(s):
- 5(10x + 1)
Expand and simplify: (x + 8)².
Correct answer(s):
- x² + 16x + 64
The sequence is 7, 9, 11, 13, … . What is the 10th term?
Correct answer(s):
- 25
Find the slope of the line passing through (-2, -6) and (-5, -9).
Correct answer(s):
- 1
Find the mode of the data set: 12, 27, 35, 37, 39, 39.
Correct answer(s):
- 39
Solve the system: 2x + 3y = 17 and 2x – 3y = 11.
Correct answer(s):
- x = 7, y = 1
Simplify √24 as much as possible.
Correct answer(s):
- 2√6
A student can choose from 6 shirts, 2 pants, and 3 pairs of shoes. How many different outfits are possible?
Correct answer(s):
- 36
Find the range of the data set: 5, 14, 20, 27, 37.
Correct answer(s):
- 32
Factorize: x² + 20x + 100.
Correct answer(s):
- (x + 10)(x + 10)
Let A = {3, 7, 10, 14, 17} and B = {1, 4, 6, 7, 10, 14}. What is A ∩ B?
Correct answer(s):
- {7, 10, 14}
Which ordered pairs satisfy y = 2x − 1?
Correct answer(s):
- (1, 1)
- (−1, −3)
- (3, 5)
- (2, 3)
The sequence is 13, 10, 7, 4, … . What is the 15th term?
Correct answer(s):
- -29
The sequence is 3, 10, 17, 24, … . What is the 15th term?
Correct answer(s):
- 101
Simplify √343 as much as possible.
Correct answer(s):
- 7√7