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Educators 56 correct solutions (latest
D128 Mathematics for Elementary
Educators 56 correct solutions (latest
What is the length of the missing leg in a right triangle with a hypotenuse of 25 in. and a leg of 9 in.? - ANSWER-4√34 in.
A scalene Triangle has - ANSWER-no congruent sides
Find the distance between points (0, 4) and (15, 0) by applying the Pythagorean theorem. - ANSWER-
A circle has a diameter of 12.8 ft. What is the area of this circle? - ANSWER-128.61 ft.
A circle has a circumference of 12.65 cm. Assuming π = 3.14, what is the measure of this circle's diameter? - ANSWER-4.03 cm
A directional sign can be best described as which type of polygon? - ANSWER-rectangle
A quadrilateral has four congruent sides and diagonals that are perpendicular. - ANSWER-Rhombus
Points P (−2, 1), R (−2, −5), and Q (−6, −5) create triangle PQR, which is then translated 1 unit down and 3 units to the right. What is the new x-coordinate of R? - ANSWER-A
What is the triangle rotated 90 degrees about the origin? - ANSWER-The triangle now sits in the upper left corner
Educators 56 correct solutions (latest
Which shows a dilation of the figure below? - ANSWER-Enlargement by scale factor of one half
Triangle ABC is congruent with triangle DEF. Which of the following angles in DEF is congruent to m< BCA in the first triangle? - ANSWER-< EFD
A square with vertices A(2, 6) B(4, 8) C(4, 6) and D(2, 4) is dilated by a scale factor of 3 with reference to the origin. Which of the following is the coordinate of B'? - ANSWER-(12,24)
Given ABCD ~ WXYZ, which of the following is true? - ANSWER-BC~ XY
Which of the following theorems proves that two figures are similar, but not congruent? - ANSWER- Angle Angle
Which transformation will map (2, 5) onto (-2, 5) - ANSWER-(-x, y)
Two triangles are drawn in the coordinate plane. The vertices of the first triangle are (5, 4), (−4, 6), (−8, 9). The vertices of the second triangle are (1, 6), (−8, 8), ( x, y). Find the value of x and y that allow these two triangles to be congruent. - ANSWER-(−12, 11)
An octagon in the coordinate plane is transformed.Which of the following transformations would result in a similar figure? - ANSWER-(-5x, -5y)
Which type of transformation are these figures an example of? - ANSWER-Dilation
A circle has an area of approximately 615.75 in 2. What is the circumference of the circle? - ANSWER- 87.96 inches
What is the area of this figure? - ANSWER-63 square units
Educators 56 correct solutions (latest
What should a student use to measure the length and width of a textbook? - ANSWER-Ruler
A runner runs in a park for 110 minutes.What time did the runner finish running if the runner started at 8:10 a.m.? - ANSWER-10:00 AM
An individual wants to buy a house worth $500,000, but only has $350,000 in a bank account. What is the deficit? - ANSWER-150,
A pen is 12 cm long. A pencil is 4 cm longer than the pen. What is the total length of the pencil and the pen? - ANSWER-12 cm+ 16 cm=28 cm
What is 15 in. in meters, given 1 in. equals 0.0254 m? - ANSWER-0.381 m
There are two weeks and three days remaining until the final exam. How many hours are there until the exam? - ANSWER-408 hours
A tank can hold 3 gal. of water. The tank currently has 2.5 gal. of water inside. How many liters of water need to be added to fill the tank, given that 1 gal. equals 3.79 L? - ANSWER-1.895 L
How many hours in a week? - ANSWER-168 hours
An individual is paying $50 per day for a rental car. How much will it cost to rent that car for two weeks?
A car is traveling at 50 mph. How far will the car travel in 30 minutes? - ANSWER-25 miles
How many students want to take art based on the given diagram? - ANSWER-
Educators 56 correct solutions (latest
What type of graph is depicted? - ANSWER-box and whisker plot
Find the mean of this data set:1, 3, 4, 9, 8, 5, 12 - ANSWER-
A student in a statistics class scored an 80%, 85%, and 92% on the first three tests. What must the student score on the last test to have at least an 87% in the class? [ - ANSWER-91%
Given this data set:6, 2, 9, 0, 1, 5, 9, 4, 3, 2Which value could be added to the data set so that the median is 3? - ANSWER-
Which of the following terms would best describe the given data distribution?{40, 50, 60, 60, 60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 90, 100} - ANSWER-symmetrical
Which of the following is a true statement based on the given histogram of black cherry tree heights? - ANSWER-Black cherry trees have heights between 60 and 90 ft.
A student's average score after the first three quizzes is 88%. What does the student need to score on the fourth quiz to raise the average to 90%? - ANSWER-96%
A deck of playing cards has 52 total cards. There are four jacks and four aces. Assuming the jack is not replaced, what is the probability of drawing a jack and then an ace from the deck of cards? - ANSWER- 4/
A jar has 8 black marbles and 8 white marbles. Two marbles are drawn. Assuming the first marble is not replaced, what is the probability of drawing two black marbles? - ANSWER-7/
In an experiment, each member of a population is replaced after it is picked.Which of the following terms best describes these events? - ANSWER-Independent
