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MATH SOLVE
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Rachel solved 50 problems of her Homework correctly and scored 62.5%. How many problems were there in the Homework?
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2 months ago
In a recent air quality study, there were 64 unhealthy air quality days in City A. This is 4 more than twice the number of unhealthy air quality days in City B. How many unhealthy air quality days were there in City B?
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2 months ago
PLEASE SOLVE FAST!! I'M REALLY STUCK!! I WILL MARK BRAINLIEST!
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2 months ago
Troy and Lisa were shopping for school supplies. Each purchased different quantities of the same notebook and thumb drive. Troy bought 4 notebooks and 13 thumb drives for $254. Lisa bought 5 notebooks and 8 thumb drives for $169. Find the cost of each notebook and each thumb drive.
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2 months ago
You found some, but not all, of the correct numbers.Suppose that Y and Z are points on the number line.If YZ= 7 and Y lies at 4, where could Z be located?If there are several locations, separate them with commas.
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2 months ago
A bag has 5 green and 6 yellow tennis balls. If two are picked at random, find the probability that at least one of them is green in color. please explain how to get the answer for future reference.
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2 months ago
Mary earns $16 an hour plus $20 an hour for every hour of overtime. Overtime hours are any hours more than 30 hours for the week.Part A: Create an equation that shows the amount of money earned, M, for working x hours in a week when there is no overtime. Part B: Create an equation that shows the number of wages earned, T, for working y hours of overtime. Hint: Remember to include in the equation the amount earned from working 30 hours.Part C: Mary earned $580 in 1 week. How many hours (regular plus overtime) did she work? Show your work.Full explanation pleaseeee!!
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2 months ago
I thought of a number, added 3 2/7 to it, then I multiplied the result by 1 1/2 , and got6 5/7
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2 months ago
Find the greatest number that will divide 43,91,183 so as to leave the same remainder in each case
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2 months ago
What is the greatest number of cubes with a side of 1.5cm that can fit in the box with dimensions 16cm ×5cm ×12cm? Please help me ASAP.
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2 months ago
Answer this question, 7(2x+9)=13
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2 months ago
Find the equation of the parabola with a focus (2, 5) and directrix of y = 3.A.)y=x^2/4 + x + 5B.)y=x^2/4 + x -5C.)y=x^2/4 -x - 5D.)y=x^2/4 - x + 5
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2 months ago
The number of patients treated at Dr. Artin’s dentist office each day was recorded for nine days. These are the data: 6, 6, 6, 5, 5, 6, 5, 6, 5. Find the mean, median, mode, and range of the data. If necessary, round to the nearest tenth. A. 6, 4.6, 6, 1 B. 5.6, 6, 6, 11 C. 4.6, 6, 6, 11 D. 5.6, 6, 6, 1
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2 months ago
The developer of a new welding rod claims that spot welds using his product will have greater strength than conventional welds. For 45 welds using the new rod, the average tensile strength is 23,500 pounds per square inch, with a standard deviation of 600 pounds. For 40 conventional welds on the same materials, the average tensile strength is 23,140 pounds per square inch, with a standard deviation of 750 pounds. Using the 0.01 level, what is the calculated value of t statistic? (Specify your answer to the 3rd decimal.)
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2 months ago
Identify the reason for each step in the solution.
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2 months ago
What is x-2y=-1 and 2x+y=4 using elimination step by step
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2 months ago
6. Using Table 11-2 from your text, calculate the present value (principal) and the compound interest given: Compound Amount = $1,250 Term of Investment = 6 years Nominal rate = 6% Interest is compounded semiannually
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2 months ago
Identify the following data set:...In a study about all of the runners in the Peachtree Road Race last year, the first 10 and the last 50 runners to finish were asked what type of shoe they preferred for the race.Group of answer choicesStatisticPopulationSampleParameterIdentify the following NUMERICAL values:...the average number of years of experience a teacher has at GCA out of ALL the teachers at GCA.Group of answer choicesParameterPopulationSampleStatisticWhich type of sampling method is being employed in the following example:"A study is being conducted at a ride at six flags, where every 5th person is asked how long had to wait in line."Group of answer choicesStratified SamplingSystematic SamplingCluster SamplingSampling of Convenience
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2 months ago
You have the numbers 1-24 written on slips of paper. If you choose one slip at random, what is the probability that you will not select a number which is divisible by 3?
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2 months ago
Natalie likes to mail lots of postcards when she goes on vacation. In 2014 , the cost of a postcard stamp was $0.34. Part A:Natalie buys 10 postcard stamps. What is the total cost of the stamps?Part B:Natalie and her friends decide to buy 100 postcard stamps.What will be the total cost of the stamps?
General
2 months ago
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