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The length of a rectangle is eight more than twice it’s width. The perimeter is 88 feet. Find the dimensions of the rectangle.
General
2 months ago
An in-ground swimming pool has a length that is three times as long as it is wide, and it has a border around it that measures 200 feet total. How wide is the swimming pool in feet?The perimeter (P) of a rectangle is P=length+length+width+width.
General
2 months ago
Without water the plant will die with probability 0.9. With water it will die with probability 0.5. You are 85 % certain the neighbor will remember to water the plant. When you return from vacation, the plant is dead. What is the probability that the plant died because your neighbor forgot to water it?
General
2 months ago
For each pair of expressions below, without substituting in specific values, determine which of the expressions in the given pairs is larger. Explain your reasoning in a sentence or two. If you need to, test with values, but your explanation should explain what's going on without simply describing the valuesyou plugged in.
General
2 months ago
Simplify 2x+3y2-2(x+y)
General
2 months ago
Two fair dice are tossed, and the up face on each die is recorded. Find the probability of observing each of the following events: A:{ The difference of the numbers is 2 or less } B:{ A 4 does not appear on either die } C:{ The sum of the numbers is 10 or more }
General
2 months ago
Find each slope from the graph and table to compare the constant speeds of the two airplanes.What is the constant speed (slope) of Arnie’s airplane?What is the constant speed (slope) of Bernie’s biplane?Who flew faster?
General
2 months ago
A 50-foot piece of siding is cut into three pieces so that the second piece is four times as long as the first piece and the third piece is five times as long as the first piece. If X represents the length of the first piece, find the lengths of all three pieces
General
2 months ago
Find the equation of the line that passes through the point left (-9,12) and is perpendicular to the line y=3/2x-1/2. Write the equation using the slope-intercept form.
General
2 months ago
Select the correct answer.what is the value of (4 x (1/2)-1).What is the value of t=1
General
2 months ago
Anna, Beth and Colleen are softball players. This season, Anne had 65 base hits in 160 at-bats. Beth batting average was 0.399, and Colleen hit safely 40% of the time. Who was the best hitter?
General
2 months ago
Please help and thank you
General
2 months ago
ASAP! BRAINLIEST!Data regarding fuel efficiency of an 18-wheel truck were collected. The graph shows the correlation between the average speed above 40 miles per hour (in miles per hour) and the money spent on gas (in dollars):image of a scatter plot with Average Speed on the x axis and Money Spent on Fuel on the y axis with points 1 comma 2, 3 comma 2 and one half, 5 comma 5, 7 comma 7, 9 comma 10, 11 comma 15, and 12 comma 17Estimate the average rate of change from x = 5 to x = 9. 4 −4 0.8 1.25
General
2 months ago
Use a quadratic equation to find two real numbers with the sum of 2 and a product of -24
General
2 months ago
You can make 5 gallons of liquid fertilizer by mixing 8 teaspoons of powdered fertilizer with water. How many teaspoons of powdered fertilizer will you need to make 1 gallon of liquid fertilizer
General
2 months ago
What is the difference between a sequence and a series?a. A sequence is an ordered list of numbers whereas a series is the sum of a list of numbers. b. A sequence is an unordered list of numbers whereas a series is the sum of a list of numbers. c. A series is an unordered list of numbers whereas a sequence is the sum of a list of numbers. d. A sequence is an ordered list of numbers whereas a series is an unordered list of numbers.
General
2 months ago
Government approval for a nuclear power plant on the California coast requires a hazard evaluation. Included is a probability analysis of various potentially damaging accidents or natural disasters. Compute the probability of at least one occurrence, (1) in a single year and (2) sometime in the next 100 years, from each of the following potentially damaging events, all of which arise from independent Poisson processes:(a) impact from an airplane crash, presumed to occur in the vicinity of the generator site at a mean annual rate of .0000011) P(at least 1 in a year) =2) P(at least 1 in a 100 years) =b) being hit by a large tsunami (tidal wave), known to occur once every 1,000 years with a further chance of 1/500 of hitting a particular location the width of the generator site1) P(at least 1 in a year) =2) P(at least 1 in a 100 years) =(c) an earthquake causing rupture in the reactor cooling system. This could be only from a Richter-8 or greater shock whose epicenter falls near the generator site. This event is judged to have a mean rate of .00001 per year.1) P(at least 1 in a year) =2) P(at least 1 in a 100 years) =
General
2 months ago
Refer to the Current Allergy & Clinical Immunology (March 2004) study of latex allergy in health care workers. There is a claim that the mean number of latex gloves used per day by all hospital employees is less than 20 gloves. A sample of 46 were selected with a mean number of latex gloves used per day by all hospital employees of 19.3 and standard deviation of 11.9. Assume alpha is 0.01. What is the rejection region?a. z<-2.575 b. z<-2.33 c. z >2.575 d. z>2.33
General
2 months ago
Is diet or exercise effective in combating insomnia? A. Some believe that cutting out desserts can help alleviate the problem, while others recommend exercise. B. Forty volunteers suffering from insomnia agreed to participate in a month-long test. C. Half were randomly assigned to a special no-desserts diet; the others continued desserts as usual. D. Half of the people in each of these groups were randomly assigned to an exercise program, while the others did not exercise. E. Those who ate no desserts and engaged in exercise showed the most improvement.
General
2 months ago
Jeffery biked to the store at 12 miles an hour but took his time on the way home, going 8 miles an hour if it took him 20 minutes to get to the store, how many minutes did it take him to get back?
General
2 months ago
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