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3176 Times Tables
Qna
2 months ago
4634 Times Tables
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Multiples of 1117
Qna
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4846 Times Tables
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4496 Times Tables
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Multiples of 1120
Qna
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3027 Times Tables
Qna
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1209 Times Tables
Qna
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3447 Times Tables
Qna
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2957 Times Tables
Qna
2 months ago
What are the sine cosine and tangent of theta=7pi/4 radians
General
2 months ago
what is the area of this circle ( express your answer by using pi)A. A=3 pi m²B. A=6 pi m²C. A=9 pi m²D. A=36 pi m²
General
2 months ago
Consider two medical tests, A and B for a virus. Test A is 90% effective at recognizing the virus when it is present, but has a 5% false positive rate. Test B is 80% effective at recognizing the virus when it is present, but only has a 1% false positive rate. The two tests are independent (i.e., they use different means for identifying the virus). The virus is carried by 2% of all people. If you could use only one of the two tests to identify the virus, which would you choose? Justify your answer mathematically. How much more certain can you be if you can use both tests?
General
2 months ago
A car-rental company is interested in the amount of time its vehicles are out of operation for repair work. State all assumptions and find a 90% confidence interval for the mean number of days in a year that all vehicles in the company's fleet are out of operation if a random sample of 10 cars showed the following number of days that each had been inoperative. 10 13 20 15 17 22 8 14 19 7 State all assumptions. Select all the assumptions below. A. The sample comes from a normal population B. The sample size is at least 30 C. It is a random sample D. The variance is less than the mean Find a 90% confidence interval for the population mean. The 90% confidence interval is from a lower limit of nothing to an upper limit of nothing. (Round to two decimal places as needed.)
General
2 months ago
The attachment is the question with the given answer choices, it's just tricky for me..
General
2 months ago
The diagram shows a scale drawing of a playground. In the scale drawing the playground has a length of 16 cm and a width of 8 cm. The area of the actual playground is 72 square meters what is the scale of the drawing?
General
2 months ago
Cameron flips two coins and then spins the spinner below. What is the probability of having two different outcomes on the coins and spinning an odd number?A. 1/16B. 1/8C. 1/4D. 1/2the numbers on the spinner are 1, 2, 3, and 4.
General
2 months ago
Rowan has 3 pieces of yarn as described below A red piece of yarn that is 3/4 foot longA yellow piece of yarn that is 6/8 foot longA blue piece of yarn that is 4/12 foot longWhich number sentence correctly compares the length of these pieces of yarn?
General
2 months ago
Please help need to pass
General
2 months ago
Find -4u + 2v??????????????
General
2 months ago
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