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The height (in feet) of a rocket launched from the ground is given by the function f(t) = -16t2 + 160t. Match each value of time elapsed (in seconds) after the rocket’s launch to the rocket's corresponding instantaneous velocity (in feet/second). t = 2 96 t = 3 -64 t = 4 32 t = 5 0 t = 6 -128 t = 7 -32 t = 8 t = 9
General
2 months ago
Which equation represents a line that passes through (5, 1) and has a slope of 1/2 ?y-5= {1/2(x-1)y-1/2 = 5(x-1)y-1=1/2(x-5)y-1= 5[x-1/2]Mark this and returnSave and ExitNext
General
2 months ago
An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by theformula d = -162 + 1,000. Which inequality can be used to find the interval of time taken by the object to reach the heightgreater than 300 feet above the ground?O -166 +1,000 < 3000 -1672 +1,000 3 300O-166 +1,000 300O -166 +1,000 > 300Mark this and returnSave and ExitNextSubmit
General
2 months ago
For ΔABC, ∠A = 4x + 7, ∠B = 2x + 3, and ∠C = 6x - 10. If ΔABC undergoes a dilation by a scale factor of 2 to create ΔA'B'C' with ∠A' = 5x - 8, ∠B' = 3x - 12, and ∠C' = 7x - 25, which confirms that ΔABC∼ΔA'B'C by the AA criterion?
General
2 months ago
Hot air ballon 280 feet away as it rises up into the sky. At first, the balloon is at an angle of elevation of 12 degrees. A few minutes later, the balloon rises to angle of elevation of 60 degrees. What is the change in altitudes between Steve's two observations?
General
2 months ago
Just please answer it for me I really need help What sentence represents the number of points in the problem below? A test is worth 50 points. Multiple-choice questions are worth 1 point, and short-answer questions are worth 3 points. If the test has 20 questions, how many multiple-choice questions are there? O A. The number of multiple-choice question points minus the number of short-answer question points is 20. O B. The number of multiple-choice question points plus the number of short-answer question points is 20
General
2 months ago
Use the function f(x) = 2x3 - 3x2 + 7 to complete the exercises.f(−1) = f(1) = f(2) =
General
2 months ago
Find the quotient if the dividend is 2.26 · 108 and the divisor is 0.013.
General
2 months ago
Which expression is equivalent to cos 120 degrees
General
2 months ago
BRAINLIEST AND 30 POINTS FOR WHOEVER CAN EXPLAIN HOW TO GET THESE ANSWERS...Given: △ACM, m∠C=90°, CP⊥ AM. AP=9 cm, PM=16 cm. Explain how to get these answers: AC = 15, CM = 20, CP = 12
General
2 months ago
A test requires that you answer either part A or part B. Part A consists of 7 true-false questions, and part B consists of 5 multiple-choice questions with one correct answer out of five. How many different completed answer sheets are possible?
General
2 months ago
A frequency polygon having a peak in the center of its distribution is:symmetricskewedkurtosisa histogramWhich of the following is a true statement regarding the mode?The mean, median, and mode may be the same value.The mode is equal to the second quartile, Q2.A dataset cannot have more than one mode.The mode is the tallest bar in a histogram.A measure of spread which magnifies the effect of values far from the mean is the:medianinterquartile rangevariancemodeIn Chap4 Practice Exercise Prob #5, the histogram interval width is:20 units4006 classes
General
2 months ago
The lodhl diner offers a meal combination consisting of an appetizer, a soup, a main course, and a dessert. There are five appetizers, five soups, four main courses, and five desserts. Your diet restricts you to choosing between a dessert and an appetizer. (You cannot have both.) Given this restriction, how many three-course meals are possible?
General
2 months ago
A test requires that you answer first Part A and then either Part B or Part C. Part A consists of 4 true false questions, Part B consists of 6 multiple-choice questions with one correct answer out of five, and Part C consists of 5 multiple-choice questions with one correct answer out of six. How many different completed answer sheets are possible?
General
2 months ago
At an effective annual interest rate of i > 0, each of the following two sets of payments has present value K: (i) A payment of 169 immediately and another payment of 169 at the end of two years. (ii) A payment of 225 at the end of two years and another payment of 225 at the end of four years. Calculate K.
General
2 months ago
The returns from an investment are 4% in Year 1, 7% in Year 2, and 10.8% in the first half of Year 3. Calculate the annualized return for the entire period.
General
2 months ago
Cheese costs $4.40 per pound. Find the cost per kilogram. (1kg = 2.2lb)
General
2 months ago
Two planes fly in opposite directions. One travels 400 mi/h and the other 600 mi/h. How long will it take before they are 4,000 mi apart?
General
2 months ago
Some states are running out of license plate numbers. Delaware currently uses six-digit numbers in its license plate numbering system. The state of Washington recently stated that it needs to explore options to replace their current system of three numerical digits followed by three letters. New Jersey currently uses a system of one letter, two numerical digits, then three letters. How could the state of Washington change their license plate system to address the possible problem of running out of plate numbers? a. Washington can use 6 digits or letters for their numbering system. b. Washington can use more than 6 digits or letters for their numbering system. c. Washington can use 3 digits or 3 letters for their numbering system. d. Washington can use 6 letters for their numbering system.
General
2 months ago
the simple interest on the loan. (Round your answer to the nearest cent.)$875 at 6.85% for 5 years 6 months.the total amount due for the simple interest loan. (Round your answer to the nearest cent.)$6400 at 5.3% for 4 years 9 months.the interest rate on a loan charging $960 simple interest on a principal of $3750 after 8 years.the term of a loan of $350 at 4.5% if the simple interest is $63.
General
2 months ago
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