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SAT Math Questions and Answers (Q&A)

Which cannot be X if a triangle has sides of length 7, 11, and X?
John Adney
Answered: May 30, 2017
The answer is clearly 2- if one side is 11 and the other is 7 the 3rd side must be long enough to reach look at the possible length of the 3rd side- if the 7 is on one side of the 11 side and the x...Read More

3 Answers

1241 views
Which line does not intersect y = 5 x + 2?
Christian Jackson, Content Developer
Answered: Oct 24, 2018
The first thing that you have to do is to check out the slope that you need to find. It has to be the same with the given slope. Based on the choices, you will be choosing 5. The next thing that...Read More

2 Answers

944 views
How old is Tom if he is four years older than Kate and in two years, Kate will be twice as old as Marianne who is four?
Sakthisureshbabu
Answered: Oct 24, 2018
Age of Tom(T)=4+k
Age of Marianne(M)=4
Given:
In two years age of Kate will be Twice as old as Marianne.
Twice the age of Mariannein two years=2+2(M)Read More

4 Answers

820 views
How many square feet is the area of half of the circle if a circle has a radius of 4 inches?
John Smith
Answered: Apr 19, 2024
Ï€/18

4/pi inches = 1/3 ft. Area = pi * r^2 Area = pi * (1/3 ft.)^2 Area of 1/2 = 1/2 * pi * 1 / 9 sqft. pi / 18 sqft.

1 Answer

637 views
What would be the third side of the triangle if a triangle has sides of lengths 3 and 7?
John Smith
Answered: Apr 19, 2024
14
2. 11

One side of a triangle must not exceed the sum of the other two sides in length. 11 is greater than 3 + 7, so 11 cannot be a side.

1 Answer

591 views
Is the equation |a^2 + b^2 - 1|
John Smith
Answered: Apr 19, 2024
|a^2 + b^2 - 1|

2 Answers

576 views
What is 3 $ (2 $ 1) if A $ B = A * B - ( A + B)?
John Smith
Answered: Apr 19, 2024
-5

First, use the order of operations to find the parenthetical value of (2 $ 1), which is 2*1-3 or -1 Next, plug in -1 for (2 $ 1) to find 3 $ -1 = 3 *-1 - (3 - 1) = -3 - 2 = -5

2 Answers

502 views
What is 3 $ (2 $ 1) if A $ B = A * B - ( A + B)?
C. Marcus, Content Developer
Answered: May 07, 2019
The correct answer to this question is -5. This answer is found by using the order of operations of math. The acronym PEMDAS is used to represent the order. P stands for parentheses, E for...Read More

5 Answers

467 views
A quiz consists of true and false questions. The ratio of the number of true questions to the number of false questions is 4:3. About what percent of the questions are false?This question is...
Ihatesats
Answered: Apr 19, 2024
43% Percent of false questions = (3/7) * 100 = 42.86. So, about 43% of the questions are false. Alternatively, one could reason out without any calculations as follows. For every 4 true...Read More

1 Answer

467 views
What is A - (4 - a) = 3a + 3. a equal to?
John Smith
Answered: Apr 19, 2024
-7

First, simplify the left-hand side. a - (4 - a) = 3*a + 3 a - 4 + a = 2*a + 3 2a - 4 = 3a + 3 Now, solve for a by combining like terms: -4 = a + 3 a = -7

1 Answer

424 views
How many ways can Pete, Mary, Sue, and Joe stand in a line if Joe and Sue cannot stand next to each other?
John Adney
Answered: Dec 02, 2016
Incorrect John. The actual answer can be solved through the formula I just derived. n! - ((n + 1 - m) * (n-m)! * m!) = x. In this situation, n is the size of the group m is the size of the two who...Read More

4 Answers

385 views
What is 3 $ (2 $ 1) If A $ B = A * B - ( A + B)?
Wyatt Williams
Answered: Apr 19, 2024
-5

First, use the order of operations to find the parenthetical value of (2 $ 1), which is 2*1-3 or -1 Next, plug in -1 for (2 $ 1) to find 3 $ -1 = 3 *-1 - (3 - 1) = -3 - 2 = -5

2 Answers

329 views
How many points do the lines given by the equations 2x + 2y = 3 and y = -x + 1 intersect?
John Smith
Answered: Apr 19, 2024
Two lines can intersect at 0, 1, or many (infinite) points. parallel lines (lines with the same slope) never intersect while all other lines intersect at exactly one point. If the two lines...Read More

1 Answer

292 views
How many orders can six children sit in on a circular table?
John Smith
Answered: Apr 19, 2024
120

At a circular (ring) table, the order ABCDEF = BCDEFA = CDEFAB, and so on. So, you need to find the total number of orders and divide this number by 6 to recognize the fact that the...Read More

1 Answer

285 views
How many ways can Pete, Mary, Sue, and Joe stand in a line if Joe and Sue cannot stand next to each other?
Wyatt Williams
Answered: Apr 19, 2024
18

The strategy here is to count: Number of ways = Total number of ways that PMSJ can stand together - Number of ways that SJ stand next to eachother The total number of ways that...Read More

2 Answers

276 views

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