Maths-
SAT
Easy
Question
If 
what is the value of x ?
- 4
- 8
- 32
- 64
The correct answer is: 32
2x = 64
Related Questions to study
maths-
A gravel company had 30 tons of gravel in stock at the end of the day on Monday. On Tuesday the company shipped 10 tons of gravel and received no deliveries. On Wednesday the company made no shipments and received a delivery of 20 tons of gravel. On Thursday the company made no shipments and received no deliveries. On Friday the company shipped 20 tons of gravel and received no deliveries. Which of the following represents the number of tons of gravel the company had in stock at the end of each day?
A gravel company had 30 tons of gravel in stock at the end of the day on Monday. On Tuesday the company shipped 10 tons of gravel and received no deliveries. On Wednesday the company made no shipments and received a delivery of 20 tons of gravel. On Thursday the company made no shipments and received no deliveries. On Friday the company shipped 20 tons of gravel and received no deliveries. Which of the following represents the number of tons of gravel the company had in stock at the end of each day?
maths-sat
maths-
In a random sample of 200 cars of a particular model, 3 have a manufacturing defect. At this rate, how many of 10,000 cars of the same model will have a manufacturing defect?
In a random sample of 200 cars of a particular model, 3 have a manufacturing defect. At this rate, how many of 10,000 cars of the same model will have a manufacturing defect?
maths-sat
maths-
The line graph above shows the population, in thousands, of people living in Alaska every 10 years from 1900 to 2000.
The ratio of the population of Alaska in 1980 to the population of Alaska in 1970 can be written as a:1. What is the value of a?
The line graph above shows the population, in thousands, of people living in Alaska every 10 years from 1900 to 2000.
The ratio of the population of Alaska in 1980 to the population of Alaska in 1970 can be written as a:1. What is the value of a?
maths-sat
maths-
The line graph above shows the population, in thousands, of people living in Alaska every 10 years from 1900 to 2000.
What was the population of Alaska, in thousands, in 1990?
The line graph above shows the population, in thousands, of people living in Alaska every 10 years from 1900 to 2000.
What was the population of Alaska, in thousands, in 1990?
maths-sat
maths-
The histogram summarizes the distribution of a data set composed of 50 integers. The first bar represents the number of integers that are at least 0 but less than 5. The second bar represents the number of integers that are at least 5 but less than 10, and so on. What is a possible value of the median of the data set?
The histogram summarizes the distribution of a data set composed of 50 integers. The first bar represents the number of integers that are at least 0 but less than 5. The second bar represents the number of integers that are at least 5 but less than 10, and so on. What is a possible value of the median of the data set?
maths-sat
maths-
A photocopy machine is initially loaded with 5,000 sheets of paper. The machine starts a large job and copies at a constant rate. After 20 minutes, it has used 30% of the paper. Which of the following equations models the number of sheets of paper, p, remaining in the machine m minutes after the machine started printing?
A photocopy machine is initially loaded with 5,000 sheets of paper. The machine starts a large job and copies at a constant rate. After 20 minutes, it has used 30% of the paper. Which of the following equations models the number of sheets of paper, p, remaining in the machine m minutes after the machine started printing?
maths-sat
maths-
A baker is gathering the ingredients required to make 15 batches of oatmeal cookies and 1 cake. The cake will require one-quarter bag of flour. The baker needs a total of more than 3 but less than 4 bags of flour. What is one possible value for the fraction of one bag of flour required for each batch of cookies?
A baker is gathering the ingredients required to make 15 batches of oatmeal cookies and 1 cake. The cake will require one-quarter bag of flour. The baker needs a total of more than 3 but less than 4 bags of flour. What is one possible value for the fraction of one bag of flour required for each batch of cookies?
maths-sat
maths-
To determine the mean number of children per household in a community, Tabitha surveyed 20 families at a playground. For the 20 families surveyed, the mean number of children per household was 2.4. Which of the following statements must be true?
To determine the mean number of children per household in a community, Tabitha surveyed 20 families at a playground. For the 20 families surveyed, the mean number of children per household was 2.4. Which of the following statements must be true?
maths-sat
maths-
The 22 students in a health class conducted an experiment in which they each recorded their pulse rates, in beats per minute, before and after completing a light exercise routine. The dot plots below display the results.
Let s1 and r1 be the standard deviation and range, respectively, of the data before exercise, and let s2 and r2 be the standard deviation and range, respectively, of the data after exercise. Which of the following is true?
The 22 students in a health class conducted an experiment in which they each recorded their pulse rates, in beats per minute, before and after completing a light exercise routine. The dot plots below display the results.
Let s1 and r1 be the standard deviation and range, respectively, of the data before exercise, and let s2 and r2 be the standard deviation and range, respectively, of the data after exercise. Which of the following is true?
maths-sat
maths-
Population of Greenleaf, Idaho
|
Year |
Population |
|
2000 |
862 |
|
2010 |
846 |
Population of Greenleaf, Idaho
|
Year |
Population |
|
2000 |
862 |
|
2010 |
846 |
maths-sat
maths-
The equation (x+6)2 +(y+3)2 =121 defines a circle in the xy-plane. What is the radius of the circle?
The equation (x+6)2 +(y+3)2 =121 defines a circle in the xy-plane. What is the radius of the circle?
maths-sat
maths-
The function f is defined by f (r) = (r − 4)(r + 1)2. If f (h − 3) = 0, what is one possible value of h ?
The function f is defined by f (r) = (r − 4)(r + 1)2. If f (h − 3) = 0, what is one possible value of h ?
maths-sat
maths-
For the finale of a TV show, viewers could use either social media or a text message to vote for their favorite of two contestants. The contestant receiving more than 50% of the vote won. An estimated 10% of the viewers voted, and 30% of the votes were cast on social media. Contestant 2 earned 70% of the votes cast using social media and 40% of the votes cast using a text message. Based on this information, which of the following is an accurate conclusion?
For the finale of a TV show, viewers could use either social media or a text message to vote for their favorite of two contestants. The contestant receiving more than 50% of the vote won. An estimated 10% of the viewers voted, and 30% of the votes were cast on social media. Contestant 2 earned 70% of the votes cast using social media and 40% of the votes cast using a text message. Based on this information, which of the following is an accurate conclusion?
maths-sat
maths-
An angle with a measure of 
radians has a measure of a d degrees, where 0 
d < 360. What is the value of d?
An angle with a measure of radians has a measure of a d degrees, where 0 d < 360. What is the value of d?
maths-sat
maths-
M = 1,800(1.02)t
The equation above models the number of members, M, of a gym t years after the gym opens. Of the following, which equation models the number of members of the gym q quarter years after the gym opens?
M = 1,800(1.02)t
The equation above models the number of members, M, of a gym t years after the gym opens. Of the following, which equation models the number of members of the gym q quarter years after the gym opens?
maths-sat
