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General
Megan correctly spelt 45 words out of 50 words in a spelling competition. Justice spelt 27 words out of 30 words correctly. Fernando spelt 84 words out of 120 words correctly. Which statements are true? select all that applya. Fernando spelt the greatest percent of words correctlyb.Megan and Justice spelt the same percent of words correctlyc.Justice spelt the least percent of words correctlyd. The percent of words that Megan spelt correctly is greater than the percent of words that Fernando spelt correctly
General
4 months ago
Factor the difference of cubes 1331x3 - 8
General
4 months ago
a bird is flying to the right when a gust of wind causes the bird to accelerate leftward at 0.5m/s2 for 3s
General
4 months ago
From Euler’s relation eiθ = cosθ + isinθ,(a) find the geometric representation of e-iθ, (b) express cosθ in terms of exponentials, (c) express isinθ in terms of exponentials.
General
4 months ago
An appliance manufacturer wants to contract with a repair shop to handle authorized repairs. The company has an acceptable range of repair time from 50 minutes to 90 minutes. Two firms have submitted bids for the work. In the evaluation trail, one firm had a mean repair time of 74 minutes with standard deviation of 4.0 minutes, and the other firm had a mean repair time of 72 minutes with a standard deviation of 5.1 minutes. Which firm would you choose, and why? Show your calculations.
General
4 months ago
Name: 1. At $4.80 per bushel, the annual supply for soybeans in the Midwest is 1.9 billion bushels and the annual demand is 2.0 billion bushels. When the price increases to $5.10 per bushel, the annual supply increases to 2.1 billion bushels and the annual demand decreases to 1.8 billion bushels. Assume that the supply and demand equations are linear where q is the number of bushels (in Billions) and p is the price in dollars per bushel. a) Find the supply equation. b) Find the demand equation. c) Find the equilibrium price and quantity.
General
4 months ago
When a large or small number is written in standard scientific notation, the number is expressed as the product of a number between 1 and 10, multiplied by the appropriate power of 10. For each of the following numbers, indicate what power of 10 would be appropriate when expressing the numbers in stan- dard scientific notation. a. 84,961,306 c. 0.000033812 b. 0.4870 d. 3,890,406,000,000
General
4 months ago
Will the power of 10 have a positive or a negative exponent when each of the following numbers is rewritten in standard scientific notation? a. 42,751 c. 0.002045 b. 1253 d. 0.1089
General
4 months ago
When a large or small number is written in standard scientific notation, the number is expressed as the product of a number between 1 and 10, multiplied by the appropriate power of 10. For each of the following numbers, indicate what number be- tween 1 and 10 would be appropriate when expressing the numbers in standard scientific notation. a. 9651 c. 93,241 b. 0.003521 d. 0.000001002
General
4 months ago
Express 4 1/3 • 3/6 in simplest form
General
4 months ago
A pair of equations is shown below: y = 3t − 5 y = 6t − 8 Part A: Explain how you will solve the pair of equations by substitution or elimination. Show all the steps and write the solution. (5 points) Part B: If the two equations are graphed, at what point will the lines representing the two equations intersect? Explain your answer. (5 points)
General
4 months ago
Sandy left downtown Durham, and three hours later, Mary left going 46 mph faster to catch up. After another two hours, Mary caught up. Find Sandy's average speed.
General
4 months ago
Cole must complete 45 hours of community service.He does 3 hours each day.Write a linear equation to represent the hours Cole has left after X days?
General
4 months ago
Solve for x.2x2 – 40x + 200 = 0
General
4 months ago
Text the answer 770-765-3026
General
4 months ago
x+2y-2z=-314y+2z=0-x+y-z=-2Solve for x,y,z in systems of equations
General
4 months ago
an airplane travels 4688 kilometers against the wind in 8 hours and 5808 kilometers with the wind in the same amount of time. what is the rate of the plane in still air and what is the rate of wind
General
4 months ago
Which of the following equations has a maximum at (9,7)A. y = -12 + 141 - 40B. y = -12 -180 -88c. y = -12 + 18a - 74D.y = –12 – 14. – 58
General
4 months ago
write a function rule for the volume of the cylinder with a hight 3 inches more than 4 times the radius of the cylinders base. what is the volume of the cylinder when it has a radius of 2 inches?
General
4 months ago
A small plane took 3 hours to fly 960 km from Ottawa to Halifax with a tail wind. On the return trip, flying into the wind, the plane took 4 hours. Find the wind speed and the speed of the plane in still air.
General
4 months ago
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