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A motorist made a 60-mile trip averaging 20 miles per hour.On the return trip,he averaged 30 miles per hour.What was the motorist's average speed for the entire trip?
General
5 months ago
If ABCD is a square and AB = 10, what is the measure of CE to the nearest hundredth?
General
5 months ago
Use the given information to find the p-value. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis). With Upper H 1: pgreater than0.554, the test statistic is zequals1.34.
General
5 months ago
Use the given information to find the number of degrees of freedom, the critical values chi Subscript Upper L Superscript 2 and chi Subscript Upper R Superscript 2, and the confidence interval estimate of sigma. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 98% confidence; nequals28, sequals0.22 mg.
General
5 months ago
Nola purchased 2.5 pounds of cheese for $10.50. Her mother purchased 3 pounds of the same cheese for $12.60. The cost of cheese varies directly with the number of pounds purchased. How much does one pound of cheese cost?
General
5 months ago
Determine the general form of the equation for the circle (x – 1)2 + (y + 2)2 = 3.x2 + y2 – 2x + 4y + 2 = 0x2 + y2 – 2x + 4y – 4 = 0x2 + y2 – x + y + 3 = 0x2 + y2 – x + y + 2 = 0
General
5 months ago
A backhoe can dig 5/10 of a ton of dirt in 1/6 of a hour. Compute the unit rate by setting up a complex fraction and simplifying.
General
5 months ago
Kevin has 16 ounce can of mixed nuts he gives 1/2 of the mixed nuts to his sister. He then eats 3/4 of the remaining nuts. How many ounces of mixed nuts are left in the can?
General
5 months ago
bright pools is building a rectangular pool at a new house. The perimeter of the pool has to be 94 feet and the length has to be 2 feet more than twice the width. What will be the length and width of the pool?
General
5 months ago
Multiply. 3√⋅22√⋅58√⋅18−−√Enter your answer in simplest radical form.Please HELP!
General
5 months ago
In isosceles ΔABC, AC = BC, AB = 6 in, CD ⊥ AB, and CD = 3 in. Find the perimeter of the isosceles triangle.
General
5 months ago
Please Help!!!!Which of the following is the correct graph of the compound inequality 4p + 1 > −11 or 6p + 3 < 39?A. a number line with closed circles at negative 3 and 6 and shading in between. B. number line with open dot at negative 3 with shading to the left and an open dot at 6 with shading to the right. C. number line with open dots at negative 2 and 5 with shading in between.D. number line with shading everywhere.
General
5 months ago
Five million bacteria live in an organism. The doubling period is 1.5 hours. How many will there be after: a) t hours? b) 9 hours? c) 1 day? d) 2 hours?please show your steps
General
5 months ago
what are the solutions to 6x^2-5x-4=0
General
5 months ago
Vincent bought 25 pound bag of rice. He cooked 6.25 pounds of the rice. He stored the rest of the rice in 3 3/4 pound portions. What is the maximum number of 3 3/4 pound portions he stored
General
5 months ago
an object make 800 revolution in 4 mins. find the rate in rev/min
General
5 months ago
Use the given conditions to find the exact value of the expression. cos α = 24/25, sin α < 0, cos (α+11π/6)Please help me find the answer and explain how you got your answer. Any help is much appreciated. Thanks!
General
5 months ago
Suppose a charity received a donation of $21.7 million. If this represents 38% of the charity's donated funds, what is the total amount of its donated funds? Round your answer to the nearest million dollars.
General
5 months ago
Jennifer is tracking the monthly online sales of her homemade soaps. The following expression represents the number of soaps sold for each month over the course of x months. 153(0.89)^xWhich statement best describes the factor 0.89?A.The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold increases by 11%.B. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold increases by 89%.C. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold decreases by 89%.D. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold decreases by 11%.
General
5 months ago
After 3 months of living at her new apartment, Renae had 1 dog. Eight months later, Renae still had 1 dog. Which of the graphs below models Renae's dog population? graph of line going through 1, 0 and 1, 8 graph of line going through 1, 2 and 3, 4 graph of line going through 2, 1 and 4, 3 graph of line going through 0, 1 and 7, 1
General
5 months ago
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