02/24/22

After melting and cooling, what kind of Igneous rock does Marble turn into?
I need a specific kind of Igneous rock.
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12/04/20

1/2[ln(x+1)+2ln(x-1)] +1/3ln x
Condense and write as a logarithm of a single quantity
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12/04/20

Determine whether the following systems have one solution, no solution, or infinite solutions
3x-y=7-6x+2y=-14
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12/04/20

I cant get the same answer twice.
The height of women ages​ 20-29 is normally​ distributed, with a mean of 64.6 inches. Assume σ=2.9 inches. Are you more likely to randomly select 1 woman with a height less than 66.6 inches or are... more
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12/04/20

A girls throws a tennis ball straight into the air with a velocity of 64 feet/sec...
A girls throws a tennis ball straight into the air with a velocity of 64 feet/sec. If acceleration due to gravity is -32 ft/sec2, how many seconds after it leaves the girl's hand will it take the... more
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12/04/20

Linear Systems: 3 Variables
Last year, at Haven's Pond Car Dealership, for a particular model of BMW, Jeep, and Toyota, one could purchase all three cars for a total of $140,000. This year, due to inflation, the same cars... more
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12/04/20

A company estimates that 0.9% of its products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $200.

If they offer a 2 year extended warranty for $22, what is the company's expected value of each warranty sold?
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12/04/20

How many parents do you have to sample?n = 
You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is... more
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12/03/20

Poisson distribution insurance policies
The number of claims for a single policy follows a Poisson distribution with a mean claim count of 0.24. 1. Determine the distribution of the number of claims registered on the total portfolio,... more
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12/03/20

This is a trig question that is too long to put in the title. See description
A small pebble stuck on the tread of a car’s tire is travelling at a linearspeed of 35 miles per hour. If the radius of the tire were 1 inch greater and itsangular velocity were the same, the... more
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12/03/20

Using a double-angle or half-angle formula to simplify the given expressions. If cos ^2 ( 2 x ) − sin ^2 ( 2 x ) = cos ( B ) , then B =
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11/29/20

Least Square Approximation Method
According to the Cauchy's equation,mu = C + B/((lamda)2)where C and B are constant and mu and lambda are the wave length and reflective index respectively.Obtain the suitable least square... more
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11/28/20

statistics: please answer
A researcher hypothesizes that people who listen to music via headphones have greater hearing loss and will thus score lower on a hearing test than those in the general population. On a stan-dard... more
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11/28/20

Expected value, CDF
Suppose we have a positive, continuous probability variable X, the following expression for the variable does not depend on s: E (X − s | X ≥ s), where E( ) Is the expected value.What is the... more
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11/25/20

The coefficient matrix of a quadratic form is always what?
A) symmetric B) rectangular C) diagonal D) none of these
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11/24/20

Non-Right Triangles: Law of Cosines, Thank you!
A steep mountain is inclined 74 degree to the horizontal and rises to a height of 3400 ft above the surrounding plain. A cable car is to be installed running to the top of the mountain from a point... more
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11/24/20

Find the function M that satisfies the following conditions dy/dx = 2x+2/ 3√x ;y(1)=2. y=?
Find the function M that satisfies the following conditions dy/dx = 2x+2/ 3√x ;y(1)=2.y=?
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11/24/20

Write the first four terms of the sequence.
The sequence shown below is defined using a recursion formula. Write the first four terms of the sequence.a1=3 and an-1+7 n> or equal to 2
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11/24/20

What is the inequality or equation for the derivatives of h(x) such that the h(x) must have a local maximum at x = c?
Write the inequalities or equations for the derivatives of h(x) such that the h(x) must have a local maximum at x = c.
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11/23/20

Solving a word problem using a system of linear equations of the form Ax + By = C
A fruit company delivers its fruit in two types of boxes: large and small. A delivery of 2 large boxes and 3 small boxes has a total weight of 77 kilograms. A delivery of 4 large boxes and 8 small... more
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11/23/20

A closed rectangular box

A (closed)rectangular box with a square base has a surface area of 150 square inches. Find the dimensions that give the maximum volume. What is the maximum volume? (Hint: The surface area of a... more
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11/23/20

2 (x-5) = 9-3x+6+8+3x+7
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11/23/20

Outside temperature over a day can be modeled as a sinusoidal function
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 33 and 57 degrees during the day and the average daily temperature first... more
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11/23/20

antiderivatives calculus

The acceleration of a car starting from rest is given by a(t) = t^2 + 3t − 7√ t − 2 in m/s^2 . Find the position (relative to the car’s initial position when it was at rest) and velocity of the car... more
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11/23/20

Find the derivative of a Definite Integral
Find the derivative of g(x)= 1∫x x2/(√(x2+4)
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