1. tan-1(tan(37/4)) 2. tan(tan-'(3T/4))

Solve the following equation for x. State the smallest positive answer to the nearest tenth. 3 1 1 2x X (Record your answer in the numerical response box from left to right.) Answer:

A company sells its product at 60 OMR per unit. The fixed cost is 19500 OMR, and the variable cost is estimated to be 35% of the total revenue, then the brake-even point is Select one: O a. 800 O b. 500 O c. 1000 O d. 780

Please answer all parts in detail.

For the following question, type the solutions to each part of the question in the space provided at the bottom of the question. Make sure you label each part of the question very carefully: Three students, Linda, Tuan, and Javier, are given laboratory rats for a nutritional experiment. Each rat's weight is recorded in grams. Linda feeds her rats Formula A, Tuan feeds his rats Formula B, and Javier feeds his rats Formula C. At the end of a specified time period, each rat is weighed again, and the net gain in grams is recorded.   Formula C Formula B Formula A 16 31 47 57 51 44 55 53 54 15 43 60 28 48 28 34 44 35 38 19 58   Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.1. State the null and alternative hypotheses, compute the test statistic, the p-value, and  and state the conclusion of the test

Write out solutions to the following questions. Show all calculations using the formulas. Include all diagrams appropriately labeled. Use proper notation throughout the solution. Think of the assignment as if you were demonstrating to someone how to do these problems. The quality of the work and the neatness and organization of the work will count in the grade.   A random sample of 25 frozen dinners of a certain type was selected from production during a particular period and the calorie content of each one was determined.  The resulting observations are: Calories from Frozen Dinners 255 244 239 242 265 245 259 248 225 226 251 233 266 227 246 240 257 222 237 270 230 260 268 231 238 The stated calorie content is 240 calories.  At the 5% significance level, do the data suggest that the mean calorie content of the frozen dinners differs from 240 calories? State the null and alternative hypothesis Check the conditions.  To determine if the data is approximately normal, using…

Given R² = 0.3129 and SSR = 88.68, compute SST. SST = Round to 2 decimal places.

Calculate the age standardized IHD mortality rate using the Standard population.  Show all calculations. (See attached image)   Shouldn't the answer be like this? : Age-specific rate, 0 to 19 years= 11 (number of deaths) ÷ 9043000 (total population) × 40,000=  0.0487 IHD deaths  Age-specific rate, 20 to 39 years = 606 (number of deaths) ÷ 12543000 (total population) × 28, 000= 1.35 IHD deaths  Age-specific rate, 40 to 59 years= 10,071 (number of deaths) ÷ 11060000 (total population) × 21,000= 19.1 IHD deaths Age-specific rate, 60 to 79 years = 44947 (number of deaths) ÷ 6568000 (total population) × 10,000 = 68.4 IHD deaths Age-specific rate, 80+ years = 28940 (number of deaths) ÷ 779000 (total population) × 1000  = 37.2 IHD deaths    MULTIPLYING EACH BY THE STANDARD POPULATION FOR EACH AGE GROUP, NOT MULTIPLYING BY 100,000?? And do we add all the numbers up to get 126 deaths per 100,000 people or do we leave the numbers for each age group as is?   Thank you.