10/06/22

Math 134 related rates

It is your friend's birthday tomorrow, and you are planning a surprise party for them. For this party, you got perfectly spherical balloons and you are filling these balloons with helium. The... more
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10/05/22

The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs.

The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a... more
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10/05/22

Can I get help on this
Suppose the scores of students on an exam are Normally distributed with a mean of 298 and a standard deviation of 63. Then approximately 99.7% of the exam scores lie between the numbers  and  such... more
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10/05/22

Find the equations of the parabola whose directrix x = −4, axis y + 2 = 0, and latus rectum 10.
I need to know how to do it step-by-step.
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10/04/22

Radian and Degree Measure
Find the area of the sector of a circle of radius 15⁢cm with a central angle of 3π4. Round the solution to two decimal places.
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10/04/22

Suppose the wheel is spun twice. On the first spin, you place two bets: one on even and one on the first dozen.

Suppose the wheel is spun twice. On the first spin, you place two bets: one on even and one on the first dozen. On the second spin, you also place two bets: one on "high" and one straight up bet on... more
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10/04/22

For the function F(x)=2|5x−1|+2, evaluate F(x+1).
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10/04/22

precalculus help

A forester mixes gasoline and oil to make 2 gallons of mixture for a two-cycle chainsaw engine. This mixture is 32 parts gasoline and 1 part oil. How much gasoline must be added to bring the... more
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10/03/22

Linh has obtained scores of 84, 77, and 71 on her midterm algebra exams. If the final exam counts twice as much as a midterm, what score must she make on her final exam to get an average score of 80?
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10/03/22

Is x=4 a function
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10/03/22

What is the function that represents the height of the ball in terms of it’s distance from a player
7. A football player kicks a football across the football field. The ball leaves the player's foot at a height of 2 ft. It follows a path in the shape of a parabola.At the highest point, the ball... more
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10/03/22

(a) Does the proton reach the plate? (b) If not, how far from the plate does it turn around?
From a distance of 10 cm, a proton is projected with a speed of 𝑣=4.0×106m/s directly at a large, positively charged plate whose charge density is 𝜎=2.0×10−5C/m2. (a) Does the proton reach the... more
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10/03/22

Differentiate dy⁄dt=t^2-y
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10/03/22

Probability Question
Two owners of a cattle ranch, Robert and Val, want to find the average weight for the ranch’s 200 cows. Instead of weighing all of the cows: Robert weighs 25 cows and gets an average weight of... more
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10/03/22

Suppose that E and F are two events and that N(E and F)=430 and N(E)= 690. What is P(F|E)?
HELPPP MATH 120!!!!
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10/02/22

Convert the point from cylindrical coordinates to spherical coordinates. (6, 𝜋, 8)
Convert the point from cylindrical coordinates to spherical coordinates.(6, 𝜋, 8)(𝜌, 𝜃, φ) = ( )
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10/02/22

Please Answer Quickly: Find the distance between the point and the plane.
Find the distance between the point and the plane. (Round your answer to three decimal places.)(4, 2, 1)x − y + 2z = 6
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10/02/22

What is the height of the cliff

A ballis launched at a bottom of a cliff with initial speed v0=40m/s directed at an angle of theta= 42° above the horizontal towards a cliff with height x. The ball hits the cliff 4.50s after the... more
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10/02/22

Please help me with this question!!
A car accelerates with a constant acceleration for 8 seconds before reaching top speed. The car completes a trip of 0.9 kilometer in a total travel time of 47 seconds (including the time it takes... more
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10/01/22

A toy rocket is launched straight up

A toy rocket is launched straight up from the roof of a garage with an initial velocity of 104 feet per second. The height  of the rocket in feet, at  seconds after it was launched, is described by... more
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10/01/22

If y=x²-4x and x=√2t²+1, find dy/dt when t=√2
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10/01/22

The serial number on a bill consists of a letter followed by seven digits and then a letter. How many different serial numbers are possible, given the letters and digits cannot be repeated?
The serial number on a bill consists of a letter followed by seven digits and then a letter. How many different serial numbers are possible, given the letters and digits cannot be repeated?
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09/30/22

Factoring the polynomial
Factor the polynomial if it is a perfect square trinomial, or state that the polynomial is prime. 36x2 - 60xy + 25y2
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09/30/22

Inverse Laplace Transformation
Question:How do we find the inverse laplace transformation of s/[ ((s^2) + 9)^2 ]My attempt at the question:I noted that s/[ ((s^2) + 9)^2 ] can be written as follows: s/[ ((s^2) + 9)^2 ] ={... more
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09/30/22

Two real numbers x and y are randomly chosen from the interval (0,1). If we know that lx-yl <1/2, what is the probability that x<1/2<y
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