11/13/19

simple radical form with a rational denominator

express the reciprocal 3-√7 in simplest radical form with a radical denominator
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11/12/19

A person is standing close to the edge on top of a 288ft building throws a baseball vertically upwards.
The quadratic function s(t)=-16t^2+48t+288 models the ball’s height above the ground, s(t), in feet, t seconds after it was thrown. How many seconds does it take for the ball to finally hit the... more
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11/12/19

You have 264ft of fencing to enclose a rectangular plot that boarders on a river. If you do not fence the side along the river find the length and width of the plot that will maximize the area
what is the function A(x) that calculates the area of of the rectangular plot with width x feet
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11/12/19

PLZ SOLVE THIS QUESTON
n+5 = 2n-3 2 10
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11/12/19

Geometry question #1 from study guide
What is the equation for the point slope form for the line parallel toy=2x−9 that contains J(6,4)?
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11/12/19

Geometry question #1 from study guide
What is the equation for the point slope form for the line parallel toy=2x−9 that contains J(6,4)?
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11/12/19

Use the identities to find the values of the sine and cosine functions for the following angle measure (theta) if cos2(theta) = 12/13. Find sine(theta) and cosine(theta).
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11/11/19

Calculus Concavity and Derivative Tests
Let f be the function defined byf(x) = x + (9/x)on (-infinity, 0)Find the derivative of f.choices: (x^2 - 9)/(x^4) (x^2 + 9)/(x^2) (x^2 - 9)/(x) (x^2 + 9)/(x) (x^2 + 9)/(x^4) (x^2 - 9)/(x^2)
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11/11/19

For which values will the following system be inconsistent?
y = -3/7x + 67x+By = 42
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11/11/19

evaluate the definite integral by interpreting it in terms of signed area.
𝑓(𝑥)={ 2 if 4 ≤ x < 10 -5 if 10 ≤ x ≤ 16 a) evaluate the definite integral by interpreting it in terms of signed area. ∫16 f(x) d(x) 4 b) find the average value of f(x) over the... more
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11/11/19

Given tan θ = - 15/8 where 90* ≤ θ ≤ 180*...
a) state the other five trigonometric ratios as fractionsb) determine the value of θ to the nearest degree
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11/11/19

The king has 8 (different) colored flags that he uses to send coded messages to his general in the field.

The king has 8 (different) colored flags that he uses to send coded messages to his general in the field. For example, blue-green-red might mean "attack at dawn" and red-green-blue may mean... more
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11/11/19

In how many ways can we select 6 people from a group of 18 and award first through sixth prizes? Leave your answer in terms of factorials.

In how many ways can we select 6 people from a group of 18 and award first through sixth prizes? Leave your answer in terms of factorials. 
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11/11/19

In how many ways can we select 3 people from a group of 11 people and award them first through third prizes?
In how many ways can we select 3 people from a group of 11 people and award them first through third prizes?
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11/11/19

A flagpole is on a hill that makes an angle of 17° with the horizontal. How tall is the flagpole if its shadow is 21 meters down the slope when the angle of elevation of the sun is 31°?
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11/10/19

At what rate (in ft/min) is the height of the pile changing when the pile is 12 feet high?
At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 2 cubic feet per minute. The diameter of the base of the cone is approximately three times the altitude. more
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11/10/19

how to solve trig equation
3sin(α)+36sin^2(α)−3=0Find all solutions to the equation below in the interval [0,2π)Give all answers as decimals rounded to 3 places
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11/10/19

Precalculus question
Sylvia has an apple orchard. One season, her 100 trees yielded 140 apples per tree. She wants to increase her production by adding more trees to the orchard. However, she knows that for every 10... more
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11/09/19

Geometry Construction
I am trying to reflect a triangle ABC over a line of reflection, m, using a compass. I am required to write down the tranformation rule, but I have no idea what that is. My teacher was mentioning... more
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11/09/19

Evaluate the Riemann sum
f(x) = x2 - 4, taking the sample points to be right end points of each subinterval and a = 0, b = 3, and R6.
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11/08/19

-4sin^2(t)-3cos(t)=-3
-4sin^2(t)-cos(t)=-3find all solutions to equation in the interval [0,2pi)
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11/08/19

Write the​ slope-intercept equation of the function f whose graph satisifies the given conditions.

Write the​ slope-intercept equation of the function f whose graph satisifies the given conditions. The graph of f passes through left parenthesis negative 4 comma 3 right parenthesis(−4,3) and is... more
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11/08/19

Word problem/antiderivative
A ball is shot from the ground straight up into the air with initial velocity of 41 ft/sec. Assuming that the air resistance can be ignored, how high does it go?Hint:The acceleration due to gravity... more
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11/08/19

Antiderivative, word problem
A particle is moving with acceleration a(t)=24t+8. its position at time t=0 is s(0)=11 and its velocity at time t=0 is v(0)=15. What is its position at time t=5?
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11/08/19

The larger of two numbers is seven less than three times the smaller number. If the sum of the number is 61, find the numbers.

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