03/21/24

Statistics-I need help please

With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the entire batch is rejected if there is at least one defective unit. The... more
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03/21/24

A ball is launched straight up into the air from the ground with an initial velocity of 80 feet per second. How long will the ball be in the air?

A ball is launched straight up into the air from the ground with an initial velocity of 80 feet per second. How long will the ball be in the air?
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03/21/24

Suppose we want to integrate
Sometimes we switch coordinates because it makes the integrand easier. Let D� denote the triangular region with vertices at (0,0),(1,0) and (0,1). This region is not round. However, suppose we want... more
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03/21/24

find a polynomial
find a polynomial with the zeros -2(multiplicity 2) and 2( multiplicity 2) that passes through the graph (-3,75)
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03/20/24

Solid objects do not actually vibrate, correct?
The solid object as a whole does not vibrate because the molecules and atoms that vibrate are fixed in their position in the object, correct?
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03/20/24

Suppose you want to integrate f(x,y) = 8xy over the domain you just found
okay so the previous question was finding the domain ie the polar cords fromintegral sign (b=5, a =0)integral sign (b=sqrt(25-x^2) a= 0) f(x,y) dy dxfound to be 0 <= r <= 5 and 0<= theta... more
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03/20/24

Physics question
a 2.25-kg block is released from rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is... more
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03/19/24

What force is required to stretch it by this amount? Answer in units of N.
A load of 35 N attached to a spring hanging vertically stretches the spring 3.5 cm. The spring is now placed horizontally on a table and stretched 11 cm. What force is required to stretch it by... more
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03/19/24

Two cars start moving from the same point. One travels south at 64 mi/h and the other travels west at 48 mi/h. At what rate is the distance between the cars increasing two hours later?
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03/19/24

Find the distance the point P(10,5,2) is to the line through the two points Q(5,2,2) and R(8,1,1).
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03/19/24

Find the area of the parallelogram with vertices: P(0,0,0), Q(3,-5,5), R( 3,-7,7), S(6,-12,12)
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03/18/24

Impact of a degree on income by gender
SourceValueStd_ErrtP_value Intercept 27271.979 541.012 50.409 <0.0001 ASS 10143.409 593.734 17.084 <0.0001 Female -17040.056 370.740 -45.962 <0.0001 FemalexASS -3304.876 823.457 -4... more
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03/18/24

A bacteria culture grows with a constant relative growth rate. After 2 hours there are 600 bacteria and after 8 hours the count is 75,000.
(a) Find the initial population.(b) Find an expression for the population after t hours.(c) Find the number of cells after 7 hours. (Round your answer to the nearest integer.)(d) Find the rate of... more
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03/18/24

A roast turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 75°F. (Round your answers to the nearest whole number.)
a) If the temperature of the turkey is 150°F after half an hour, what is the temperature after 45 minutes?b) When will the turkey have cooled to 95°F?
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03/18/24

I need to find the coordinate for the third point
The side of the Bermuda triangle are all roughly 1000 miles long. From miami at (0,0), San Juan at (10,0). Find Bermudas coordinates?
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03/18/24

help solving it
The following table represents food purchase amounts and whether the customer used cash or a credit/debit card. One customer is chosen at random. Give your answer as a decimal out to at least 4... more
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03/17/24

If tan 𝛼 = − 20 21 and cot 𝛽 = 35 12 for a second-quadrant angle 𝛼 and a third-quadrant angle 𝛽, find the following. (a)    sin(𝛼 + 𝛽) (b)    cos(𝛼 + 𝛽)
(a)    sin(𝛼 + 𝛽)(b)    cos(𝛼 + 𝛽) 
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03/15/24

Using Newton's method with first approximate x1 = 0 , find the root of
Using Newton's method with first approximate x1 = 0 , find the root ofx3 + 6x2 + 9x + 1= 0accurate to 7 decimal places.
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03/15/24

An open-top box is made from a 24in x 36in cardboard piece by taking a square from each corner of the box and folding up all 4 side flaps. What size squares should be cut to get a box with max volume?
If you can, please show all work and write a detailed explanation-- I would really like to understand this problem!An open-top box is to be made from a 24 inch by 36 inch piece of cardboard by... more
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03/15/24

Find all solutions on the interval [ 0 , 2 π ) . Give exact answers.

 12cos^2(x)+sin(x)−6=0Separate multiple solutions with a comma. If there are no solutions please enter, "no solution" exactly.
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03/14/24

Write an exponential function in the form y=ab^x that goes through the points (0,18) and (8,4608)
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03/14/24

Related Rates: Inverted Pyramid filled with water at 55cc's/sec. Top is a square with sides 2cm long, and the height is 10cm. Find the rate of water level rise when the water level is 7 cm.
An inverted pyramid is being filled with water at a constant rate of 55 cubic centimeters per second. The pyramid, at the top, has the shape of a square with sides of length 2 cm, and the height is... more
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03/14/24

Evaluate the double integral integral ∫∫ y dxdy. The plane region is (x-1)^2+(y-1)^2 <=8.

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03/14/24

error and relative error
For a car with standard tires stopping on dry asphalt, its speed S (in mph) can be found from the length of its skid marks according toS = 9.4L0.37where L is the length (in feet) of the skid marks.... more
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03/13/24

What is the volume of.

What is the volume of a thank 3ft by 1.5 ft by 2ft
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