06/28/21

Complementary Probabilities

Suppose the probability of an event is 0.40. What are the odds in favor of this event? The answer is 2 to 3. Can someone plainly explain the math solution to this?
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06/27/21

WORD PROBLEMS 2
  A force of 10 lbs is used to move a 15-lb box across a horizontal deck, a distance of 5 ft. If the force makes an angle of 300 with the floor,     a) How much work is done?    b) What is its... more
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06/25/21

Calculus HW Question
How would I find the Taylor Series of f(x) = 7/x^2 at a=1 and expand to 4 terms.
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06/25/21

Calculus Question
During a 10-year study of mosquitoes in a provincial park, the population is best described by theformula P(t)=20000-4e^(4-7t)+(t^2)e^(7-4t) after t years. Find the minimum population and when it... more
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06/24/21

Calculus Problems

A yeast culture is growing at a rate of  grams per hour where t is time in hours since the culture was initiated. Use Riemann Sums with 50 left-point rectangles to compute and then interpret the... more
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06/23/21

Calculus Problems
A “Big Rig,” or eighteen wheeler truck will burn diesel at a rate of    gallons each hour, t hours after a fill-up.Find the number of gallons of gas consumed by a typical “Big Rig” 10 hours after a... more
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06/22/21

What is the expected height (in inches)?
Heights (in inches) obtained by a group of people in a random survey are reported in the following... more
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06/22/21

Need help answering this
In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 57 and a standard deviation of 8. Using the... more
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06/22/21

HELP PLS//// Suppose that cos0=4/9 and that 3π/2 <0 <2π. Find the values of sin0, tan0, csc0, sec0, and cot0.
sin0=?tan0=?csc0=?sec0=?cot0=?
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06/22/21

Physics (forces)
Suppose the rocket had a mass of 850 grams at the time the parachute opened. What must the force of air resistance have been once terminal velocity was reached?
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06/22/21

Find the Domain of the function.(Enter your answers using interval notation).
Find the domain of the function. (Enter your answers using interval notation.)(a) f(x) =  36 − x (−∞,∞) (b) f(x) = x + 7 6x2 − x − 7
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06/22/21

What would it be?

x <= - 5oRx >= 9what is the interval notation?
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06/21/21

What dimensions will minimize the surface area of the box? And what is the minimum surface area?
Zoey is designing a rectangular box that has a volume of 5451.776 cm^3.So:1) What dimensions will minimize the surface area of the box? 2) What is the minimum surface area?
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06/21/21

Assuming that there are no empty spaces between the gumballs, how many gumballs are needed to completely fill the glass jar?
Clyde wants to fill a glass jar with gumballs. The glass jar is the shape of a cylinder with height 10cm and radius 6cm. The gumballs are spheres of identical size Each gumball has a surface area... more
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06/21/21

Find the average value of the function 𝑓(𝑥) = √𝑥 on the interval [4, 9].
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06/21/21

Suppose 𝑎(𝑡) = 36𝑡 + 16, 𝑣(0) = −4, and 𝑠(1) = 15. Find 𝑠(𝑡).
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06/21/21

Algebra 1 question please help

Write an expression that describes the area of the rectangle if the length is 2x+3 and the width x+5A. (2x+3)(x+5)B. 2(2x+3)(x+5)C. 2(2x+3) + 2(x+5)D. 2(2x+3) + (x + 5)If the area of the rectangle... more
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06/21/21

I need this question answered ASAP
What is the equation of the line that passes through the point (-6, 4) and has aslope of -5/6
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06/21/21

Ferris Wheel Question
As you ride the Ferris wheel, your distance from the ground varies sinusoidally with time. Let t be the number of seconds that have elapsed since the Ferris wheel started and let d be the number of... more
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06/21/21

fair die probability

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two... more
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06/20/21

How many of each kind of ticket were sold?
The mount Baker theater sold 950 tickets to the musical performance of mama Mia. a premier seat cost $69.50 and a value seat cost $30.50. In all $53,740 was taken in. How many of each kind of... more
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06/19/21

Statistics and Probability
In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 54 and a standard deviation of 9. Using the... more
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06/18/21

Express the function notation

Express the rule in function notation. (For example, the rule "square, then subtract 5" is expressed as the function f(x) = x2 − 5.)Add 4, take the square root, then divide by 2.f(x) =  
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06/18/21

What are the values for a and b ?

Two points P(a, 13) and Q(- 9, b) are connected by the line segment P Q. the midpoint of segment Q is at (1.5, 3.5) , determine the values for a and b.
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06/18/21

What would g(sqrt(f)) = equal?

If a positive real number, find the following value for the function given below. g(x) = (15x)/(x ^ 2 + 3)
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