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The doubling time of a population of flies is 4 hours. By what factor does the population increase in 24 hours
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The pyramid of integers above is constructed in such a way that each "father" has exactly 3 "children": 1>2,3,4 2>5,6,7 3>8,9,10 4>11,12,13 5>14,15,16 6>17,18,19 . . . What number is the father of 201
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Five cards are dealt form 52. a) How many different hands can be dealt? b) How many hands will contain 4 hearts? c) How many hands will contain no face cards? d) How many hands will contain only spade
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a sum of money at compound interest amounts to thrice itself in 3 years. in how many years will it be 9 times itself?
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A kickball player kicks a ball with a velocity of 4.6 m/s at an angle of 27 degrees. The kick is bad, and the ball sails over the edge of a cliff that is 15.0 meters high. How far does the ball land f
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What is the quotient of ? A. d3− 4d2 + 9d + 35 B. d3− 8d2 + 17d –17 C. d3− 8d2 + 16d − 31 R 79 D. d3– 4d2– 8d –15 R–13
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A manufacturer found that among 500 randomly selected smoke detectors only 450 worked properly. Based on this information, how many smoke detectors would you have to install to be sure that the probab
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Two acute angles are a and b if tan(a+b) = -1, tan(a) = 4/3 and tan(b) = 7. Without evaluating a or b find Sin a and Sinb. What exactly does without evaluating a or b mean?
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A cat's owner lists his cat's weight at 8 lb. The cat's actual weight is 8.7 lb. To the nearest whole number, what is the percent error between the estimated weight and the actual weight of the cat?
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You and your brother each sell lemonade. You spend $35 on supplies and plan to charge $1.50$ per cup. Your brother spends $20 on supplies and plans to charge $1 per cup. How many cups of lemonade will
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On a blueprint, 1/4 inch represents 1 foot. if a window is supposed to be 60 inches wide, how wide would its representation be on the blueprint?
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Miranda and Savannah are excited that a new store just opened in town! They go together the first day it opens! Each time Miranda goes to the store she plans to spend \$7$7dollar sign, 7, and each tim
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Which statement best reflects the solution(s) of the equation? 1/x+1/x−3=x−2/x−3 a. There is only one solution: x = 1. The solution x = 3 is an extraneous solution. b. There are two solutions
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A spherical ball is inflated with helium at the rate of 100πft^3\min. how fast is the balloon's radius increasing at the instant radius of 5ft?
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Find the limit of (sin πn/4) 1/n as n approaches ∞. Also how many values of n are there when the function = 0.
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Carolina kayaked down the Hudson river for 4 days.she paddles 6 miles each mornings and 9 miles eavh afternoon.The temperature ranged from 88 to 92 on her trips.How many total miles did Carolina paddl
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Two adults, uncle Jim and mother, and two children, Nancy and Peggy, want to sail to wild cat island. The boat is small and can only hold as many as two individuals if they are both children. How can
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Ten years ago, P was half of Q's age. If the ratio of their present ages is 3 : 4 3:4, what will be the total of their present ages?
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Find the volume of the right prism. Round your answer to the nearest tenth. A. 93.2m3 B. 95.5m3 C. 105m3
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Karen is baking bread for the 5th Grade class. Each loaf can be cut into 8 slices.How many loaves should karen Bake If each students is served 2 slices
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A vending machine has three bottons, labeled A,B, and C. The cost is the same for all three bottons. if You Press A you get a pound of fertilizer. If you press B, you get a pert rat. If you press C, y
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Miss Millen is considering reserving a room at the hotel India for a trip to see a show at the Fox Theater the hotel India charges $717 for a three-night stay what would be the unit rate or price for
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Which of the following numbers is both irrational and between 7 and 8? square root of 48 45/6 7.6 square root of 56
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The length of a rectangle is 7 mi. more than 3 times the width. If the perimeter of the rectangle is 54 mi., find the length and the width. (Hint - The perimeter of a rectangle is given by: P = 2 L +
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Ten samples of 15 parts each were taken from a 4 year old process. the samples and number of defective parts found in each sample are shown in the table below. what is the p-chart upper control limit
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Heather purchased an iPad mini on sale 20% off for 263.20 what's the original price of the iPad mini
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James bought Nicole a pair of shoes for 54.o.o and a bracelet for 21.99 he used a 15% off coupon and then pages 7.5% sales tax what was the total amount spent
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Please help!!In a test of the effectiveness of garlic for lowering cholesterol, 50 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after th
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The measure of MKJ is 80 degrees. After analyzing the diagram, Janelle concludes that KL is an angle bisector. Which statement best describes Janelle’s conclusion?
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Brooke needs 360 milliliters of a 53% acid solution for a chemistry experiment. She has two acid solutions, A and B, that can be mixed together to form the solution. Solution A is 50% acid, and Soluti
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Working together, two secretaries can stuff the envelopes for a political fund raising letter in 3 hours. working alone it takes the slower worker 8 hours longer than the faster worker. how long does
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Juan sees a maple tree and a pine tree in the forest. He knows that the pine tree is 20.75 feet tall. On a sunny day, the shadow of the pine is 5.5 feet long while the maple's shadow is 20.02 feet lon
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A laboratory tested a sample of 12 chicken egg.s and found that the mean amount of cholesterol was 185 milligrams with a standard deviation of 17.6 milligrams. assume that the population has a normal
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Below are the supply and demand equations for stereo headphones in a certain market. In these equations, p represents price, D represents demand, and S represents supply. What is D at the point of equ
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Three trigonometric functions for a given angle are shown below. What are the coordinates of point (x, y) on the terminal ray of angle , assuming that the values above were not simplified?
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The mean birth weight for full-term newborns in the USA is µ = 7.5 pounds. Assume that this distribution is normal in shape and the standard deviation = 2.0. What percentage of full-term newborns wei
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Which is the equation of the line that is parallel to the given line and passes through the point (-2,2)
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Paul can type 60 words per minute and Jennifer can type 80 words per minute. How does Paul’s typing speed compare to Jennifer’s
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Doors for a small cabinets are 11.5 inches long. Doors for the large cabinets are 2.3 times as long as the doors for the small cabinets. How many large doors can be cut from a board that is 10.5 feet
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Quinn spends $16.49 for 3 magazines and 4 sheets of stickers. The magazines cost $3.99 each and the sales tax was $1.02. Quinn also used a coupon for $1.50 off her purchase. If each sheet of stickers
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Lilah’s band had practiced 24 songs. At the performance, they played 7 of their songs in their first set and 8 songs in their second set. How many songs did they have for their third set, if they ha
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The perimeter of a triangle is 195mm. If the lengths of the sides are consecutive positive integers find the lengths of each side.
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The circumference (C) of a swimming pool is 47 feet. Which formula can you use to find the radius (r) if you know that C = 2 π π r ?
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(blank) are pairs of angles formed when a third line (transversal) intersects two other lines. These angles are on the same side of the transversal and are in between the other two lines
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On a chapter test, Stephanie uses the rules of equation solving and inverse operations to solve the cubic equation below. The directions on the test are not very specific, however, they do say to give
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Please please help. The table list the heights of four trees, Sycamore 15 and 2/3, Oak 14 and 3/4, Maple 15 and 3/4, Birch 15.72. Study the table above select all true statements. A. The oak tree is t
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Ann had 75 fliers to post around town. Last week, she posted 2/5 of them. This week, she posted 2/3 of the remaining fliers. How many fliers has she still not posted?
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In 2015, in Buffalo, New York, there were 8,625 arrests, 2,678 robberies, 865 assaults, and 20 murders. The population of Buffalo is 258,959. What is the ratio of the number of assaults to the number
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John decides to invest $2,000 per year and an account that he opened and expects to earn 8.25%. If he keeps this up for 35 years, how much would he end up with in his account?
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What is the greatest possible percent error in calculating the volume of a box with measurements 5 in, 10 inch and 10 inches
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