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What would X= to? (89)(39)(26)
General
3 months ago
An aeroplane at an altitude of 200m observes the angle of depression of opposite points on the two banks of a river to be 45 and 60 find the widht of river
General
3 months ago
Which polygons are similar? 1,2,3,4
General
3 months ago
(a) Find an angle between 0° and 360° that is coterminal with – 120°.(b) Find an angle between 0 and 2π that is coterminal with 15π/4Give exact values for your answers.
General
3 months ago
a) Estimate the volume of the solid that lies below the surface z = 7x + 5y2 and above the rectangle R = [0, 2]⨯[0, 4]. Use a Riemann sum with m = n = 2 and choose the sample points to be lower right corners.
General
3 months ago
Solve the following quadratic equations by extracting square roots.Answer the questions that follow.1. x²=162. t²=813. r²=100=04. x²-144=05. 2s²=50
General
3 months ago
Solve 6y2-5y-6 = 0 using the quadratic formula.A) y=- 3 over 2 or y =2 over 3B) Y = -5 or y = -6C) y or y=-2D) y = 2 or y = 3
General
3 months ago
PLEASE HELP, IT WOULD BE AWESOME IF YOU COULD!!!!!!!Joseph is conducting a survey to determine the blood types of 100 people who have come to give blood at a blood donor clinic. Which of the following questions is an appropriate statistical question for this survey? How many people at the clinic have blood type AB? Which blood type does the least number of people have? What is the blood type of each person at the clinic? What is the average age of people with the most common blood type?
General
3 months ago
Suppose a college student pays $900 for tuition fees. However, she also has to pay $400 for her textbooks (ouch!). What percent of her total education costs does she pay for her books?
General
3 months ago
Identify the values of a, b, and c that would be used in the quadraticformula to solve the equation - x2 + 5x = 7.A) a = -1, b = 5, c = 0B) a = 1, b = 5, c = 7C) a = -1, b = 5, c = -7D) a = 1, b = -5, c = 0
General
3 months ago
Suppose Abby tracks her travel time to work for 60 days and determines that her mean travel time, in minutes, is 35.6. Assume the travel times are normally distributed with a standard deviation of 10.3 min. Determine the travel time such that 17.36% of the 60 days have a travel time that is at least . You may find this standard normal distribution table or this list of software manuals useful. Give your answer rounded to two decimal places.
General
3 months ago
Suppose that a random variable has a standard normal distribution. Use a standard normal table such as this one to determine the probability that is between −1 and 0.67. Give your answer in decimal form, precise to at least three decimal places.
General
3 months ago
During this past winter, Tatsu measured how many inches of snow came down after each snowfall. Her results were 8, 3, 2, 5, 10, and 2. Find the average for the 6 snowfalls.
General
3 months ago
what is 2 to the second power
General
3 months ago
x+y-z=5 -x-4y-8z=6 3x+5y-4z=-20
General
3 months ago
Write the equation for a line that is parallel to the line 2x + 3y = 6 and passes through the point (0,4)
General
3 months ago
The set of ————— consists of counting numbers, their opposites, and zero.
General
3 months ago
Write the sum of the numbers as the product of their GCF and another sum.44 + 40 =13 + 52 =15 + 81 =64 + 28 =
General
3 months ago
if g (x)= x+1/x-2 and h(x) =4-c, what is the value of (g•h)(-3)?
General
3 months ago
What are the domain and the range of the function f(x)=-3(x-5)^2+4?
General
3 months ago
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