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MATH SOLVE
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Lines has an equation of y + 3 = 2(x + 10). Parallel to line s is line t, which passes through the point (6, 7). What is the equation of line t? Write the equation in slope-intercept form. Write the numbers in the equation as proper fractions, improper fractions, or integers.
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2 months ago
PLEASE HURRY!!!!!!The cheetah traveled 1.75 times faster for the first 8 minutes than it did for the second 8 minutes. Was the distance traveled during the first 8 minutes 1.75 times greater than the distance traveled during the second 8 minutes? Show the calculation to justify your answer.
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2 months ago
how many numbers between 650 and 780 leave remainders of 4 and 6 when divided by 7 and 11 respectively? pls help lol im desperate...
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2 months ago
IF A 30-DAY SUBSCRIPTION IS $499 PLUS 8% TAX, BUT IS BEING PRORATED FOR 7 DAYS, PLUS THERE IS A $10 OFF COUPON, WHAT'S THE FINAL COST? *
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2 months ago
Find the area for the shaded part
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2 months ago
Will vote Brainliest! Find the quotient of the image below. Answer choices are:A. −x^2 + 3x − 2B.x^2 − 12x + 4C. −x^2 − 3x + 2D. x^2 + 12x − 4
General
2 months ago
verify that (a+b)+c = a+ (b+c) by taking a = -8 , b = (-8/11) , c = (-8/12)
General
2 months ago
PLEASEEEEIn a school of 2000 students, the ratio of teachers to students is 3:80.Some teachers join the school and the ratio changes to 1:20.Find the number of teachers who joined the school.
General
2 months ago
what’s a two step equation that equals 22? please this is urgent
General
2 months ago
A bookstore must decide on how many calendars to order for the next year. Each calendar costs $2 and is sold for $4.50. After January 1, any unsold calendars are returned to the publisher for a refund of $0.75 each. The distribution of demand is uniform between 100 and 300. How many calendars should the bookstore order? (Show all equations and calculations.)
General
2 months ago
A medical experiment is PLANNED to compare the herb echinacea with a placebo for preventing colds. One response variable will be "volume of nasal secretions" (if you have a cold, you blow your nose a lot). Suppose the average volume of nasal secretions in people without colds is 2. An increase to 6 indicates a cold.(a) Which of the following describes the meaning of the significance level ? for a test of the hypotheses: H0: mu = 2 versus Ha: mu > 2 ?a) alpha is the probability of selecting a sample whose data leads us to the decision to reject H0 when in reality mu = 2 is true.b) alpha is the probability of selecting a sample whose data leads us to the decision fail to reject H0 when in reality mu = 6 is true.(b) The power of the test in (a) when the true value of the population mean is mu = 6 isa) The probability of selecting a sample whose data leads us to the decision to reject H0when mu = 6 is true.b) The probability of selecting a sample whose data leads us to the decision to fail to reject H0 when mu = 2 is true.
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2 months ago
At a computer store, a customer is considering 10 differentcomputers, 6 different monitors, 9 different printers and 4 different scanners. Assuming that each of the components is compatible with one another and that one of each is to beselected, determine the number of different computer systems possible.There are different computer systems possible.
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2 months ago
A random sample of 25 statistics examinations was selected. The average score in the sample was 76 with a variance of 144. Assuming the scores are normally distributed, the 99% confidence interval for the population average examination score is _____. a. 70.02 to 81.98 b. 69.82 to 82.18 c. 69.29 to 82.71 d. 70.06 to 81.94
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2 months ago
A computer products store stocks color laser printers, and the daily demand is normally distributed with a mean of 7.9 printers. The lead time to receive an order from the manufacturer is 15 days. The standard deviation of demand during this 15-day lead time is 34.5. Determine the reorder point that will achieve a 97.5% service level; that is, the store will have a 97.5% probability NOT running out of inventory. (Note: take z-score = +2 for 97.5% cumulative probability.)
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2 months ago
A right circular cylinder is inscribed in a sphere with diameter 4cm as shown. If the cylinder is open at both ends, find the largest possible surface area of the cylinder
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2 months ago
The pH of a person’s eyes is 7.2. Therefore, the ideal pH for the water in a swimming pool is between 7.0 and 7.6. Write a compound inequality to represent pH levels that could cause physical discomfort to a person’s eyes.
General
2 months ago
20 pts plus a mark!! The Royal Fruit Company produces two types of fruit drinks. The first type is 80% pure fruit juice, and the second type is 100% pure fruit juice. The company is attempting to produce a fruit drink that contains 95% pure fruit juice. How many pints of each of the two existing types of drink must be used to make 220 pints of a mixture that is 95% pure fruit juice?
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2 months ago
A nationwide survey conducted by the National Cancer Society revealed the following information: Of 10,000 people surveyed, 3,300 were "heavy coffee drinkers' and 160 had cancer of the pancreas. Of those who had cancer of the pancreas, 137 were heavy coffee drinkers. Using the data in this survey, determine whether the events "being a heavy coffee drinker" and "having cancer of the pancreas" are independent events. not independent independent
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2 months ago
A newspaper reports that the population mean annual salary of a full-time college professor in a certain region is exactly $127,000. Scott wants to test the report by claiming that the population mean annual salary of a full-time college professor in the region is not $127,000. He selects a random sample of 160 full-time college professors in the region and calculates the sample mean salary to be $126,092 with a sample standard deviation of $8,509. The test statistic t for a hypothesis test of H0:μ=127,000 versus Ha:μ≠127,000 is t≈−1.35 with 159 degrees of freedom. If 0.10Select all that apply:A) Reject the null hypothesis that the true population mean annual salary of full-time college professors in the region is equal to $127,000.B) Fail to reject the null hypothesis that the true population mean annual salary of full-time college professors in the region is equal to $127,000.C) There is enough evidence at the α=0.01 level of significance to support the claim that the true population mean annual salary of a full-time college professor in the region is not equal to $127,000.D) There is not enough evidence at the α=0.01 level of significance to suggest that the true population mean annual salary of a full-time college professor in the region is not equal to $127,000.Expert Answer
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2 months ago
Silicone implant augmentation rhinoplasty is used to correct congenital nose deformities. The success of the procedure depends on various biomechanical properties of the human nasal periosteum and fascia. An article reported that for a sample of 12 (newly deceased) adults, the mean failure strain (%) was 25.0, and the standard deviation was 3.3. (a) Assuming a normal distribution for failure strain, estimate true average strain in a way that conveys information about precision and reliability. (Use a 95% confidence interval. Round your answers to two decimal places.)
General
2 months ago
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