Maths-
SAT
Easy
Question
The shaded region shown represents all of the solutions for which of the following inequalities?
- x + y ≥ 1
- x + y ≤ 1
- x – y ≥ 1
- x – y ≤ 1
The correct answer is: x + y ≥ 1
By plugging in (1,0) and (0,1) in the given equation we get x + y Z as the satisfied equation.
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The graph shows the speed of an object over a period of time. Which is closest to the time, in seconds, it took for the object's speed to change from 4 meters per second to 8 meters per second?
The graph shows the speed of an object over a period of time. Which is closest to the time, in seconds, it took for the object's speed to change from 4 meters per second to 8 meters per second?
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In January 2010, there were 127.8 million jobs in the United States. The number of US jobs increased approximately 0.2 million per month for the next 60 months. Which equation represents this situation, where j is the number of US jobs, in millions, and t is the time, in months, since January 2010?
In January 2010, there were 127.8 million jobs in the United States. The number of US jobs increased approximately 0.2 million per month for the next 60 months. Which equation represents this situation, where j is the number of US jobs, in millions, and t is the time, in months, since January 2010?
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The line shown represents the number of gallons of water in a tank as a function of the number of minutes a pump has been running to empty the water from the tank. How many gallons of water were in the tank when the pump started running?
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The scatterplot above shows the average fuel economy for a certain class of car driven at 12 different speeds. The graph of a quadratic model for the data is also shown.
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For 5 consecutive even integers, the sum of the first and third integer is 20 less than 3 times the fourth integer. What is the fifth integer?
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Annual Production (thousands of units)
|
|
Factory W |
Factory Z |
|
Product P |
21 |
32 |
|
Product Q |
14 |
24 |
Based on the graph of f, which of the following is a factor of f(x)?
Annual Production (thousands of units)
|
|
Factory W |
Factory Z |
|
Product P |
21 |
32 |
|
Product Q |
14 |
24 |
Based on the graph of f, which of the following is a factor of f(x)?
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The scatterplot above shows the number of surveys sent to and returned from people in 17 different neighborhoods. A line of best fit for the data is also shown. For the neighborhood that had surveys sent to 800 people, which of the following is closest to the positive difference between the actual number of surveys returned and the number predicted by the line of best fit shown?
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d = 2,565 - 500t
An airplane flies directly from a city in Pennsylvania to a city in Ecuador. The equation above estimates the distance d, in miles, from the city in Ecuador of the airplane t hours after taking off from the city in Pennsylvania.
Which of the following is the best interpretation of the number 2,565 in this context?
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An airplane flies directly from a city in Pennsylvania to a city in Ecuador. The equation above estimates the distance d, in miles, from the city in Ecuador of the airplane t hours after taking off from the city in Pennsylvania.
Which of the following is the best interpretation of the number 2,565 in this context?
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x2 + y = 7
x - y = 5
Which value is a y-coordinate of a solution to the system of equations above?
x2 + y = 7
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Which value is a y-coordinate of a solution to the system of equations above?
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h = 3c
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A wildlife biologist uses the formula above to estimate the height h, in centimeters, of an elephant from its foot to its shoulder, based on the circumference c, in centimeters, of the elephant's footprint.
If the wildlife biologist finds a circular elephant footprint that has a diameter of 30 centimeters (cm) while on a zoological study, which of the following is closest to the biologist's estimate of the elephant's height?
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