556 items match
For the triangle shown, which expression represents the value of ?
The expression is equivalent to
for some constant a. What is the value of a ?
The densities of different concentrations of grape juice are shown in the scatterplot above. According to the trend shown by the data, which of the following is closest to the predicted density, in kilograms per cubic meter (kg/m3), for grape juice with a concentration of 60%?
Which choice most effectively uses data from the graph to complete the assertion?
What was the mean low temperature, in degrees Fahrenheit, during the five-day period?
In triangle ABC, the measure of angle A is . If triangle ABC is isosceles, which of the following is NOT a possible measure of angle B ?
In the figure above, . What is the value of x ?
If , what is t in terms of u ?
Which of the following statements correctly compares the means of data set A and data set B?
In the equation above, a and b are constants and . Which of the following could represent the graph of the equation in the xy-plane?
In the figure, lines and are parallel. If and , what is the value of ?
The Karvonen formula above shows the relationship between Alice’s target heart rate H, in beats per minute (bpm), and the intensity level p of different activities. When , Alice has a resting heart rate. When
, Alice has her maximum heart rate. It is recommended that p be between 0.5 and 0.85 for Alice when she trains. Which of the following inequalities describes Alice’s target training heart rate?
According to the line graph above, between which two consecutive years was there the greatest change in the number of 3‑D movies released?
To make a bakery’s signature chocolate muffins, a baker needs 2.5 ounces of chocolate for each muffin. How many pounds of chocolate are needed to make 48 signature chocolate muffins? (1 pound = 16 ounces)
An agricultural scientist studying the growth of corn plants recorded the height of a corn plant at the beginning of a study and the height of the plant each day for the next 12 days. The scientist found that the height of the plant increased by an average of 1.20 centimeters per day for the 12 days. If the height of the plant on the last day of the study was 36.8 centimeters, what was the height, in centimeters, of the corn plant at the beginning of the study?
The points plotted in the coordinate plane above represent the possible numbers of wallflowers and cornflowers that someone can buy at the Garden Store in order to spend exactly $24.00 total on the two types of flowers. The price of each wallflower is the same and the price of each cornflower is the same. What is the price, in dollars, of 1 cornflower?
Which of the following speeds is equivalent to 90 kilometers per hour? (1 kilometer = 1,000 meters)
For the function f defined above, what is the value of ?
An object’s kinetic energy, in joules, is equal to the product of one-half the object’s mass, in kilograms, and the square of the object’s speed, in meters per second. What is the speed, in meters per second, of an object with a mass of 4 kilograms and kinetic energy of 18 joules?
A certain forest is 253 acres. To estimate the number of trees in the forest, a ranger randomly selects 5 different 1-acre parcels in the forest and determines the number of trees in each parcel. The numbers of trees in the sample acres are 51, 59, 45, 52, and 73. Based on the mean of the sample, which of the following ranges contains the best estimate for the number of trees in the entire forest?
Triangle ABC and triangle DEF are similar triangles, where and
are corresponding sides. If
and the perimeter of triangle ABC is 20, what is the perimeter of triangle DEF ?
In the xy-plane, the graph of is a circle. What is the radius of the circle?
What is the y-intercept of the graph shown?
A psychologist set up an experiment to study the tendency of a person to select the first item when presented with a series of items. In the experiment, 300 people were presented with a set of five pictures arranged in random order. Each person was asked to choose the most appealing picture. Of the first 150 participants, 36 chose the first picture in the set. Among the remaining 150 participants, p people chose the first picture in the set. If more than 20% of all participants chose the first picture in the set, which of the following inequalities best describes the possible values of p ?
The score on a trivia game is obtained by subtracting the number of incorrect answers from twice the number of correct answers. If a player answered 40 questions and obtained a score of 50, how many questions did the player answer correctly?