04/19/21

What is the Probability (?)
Find C(n, x)pxqn − x for the given values of n, x, and p. (Round your answer to four decimal places.) n=9, x=6, p=1/4 Find C(n, x)pxqn − x for the given values of n, x, and p. (Round your... more
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04/19/21

regular decagon is inscribed in a circle with diameter of exactly 20 cm. Find the length of one side of the decagon, to the nearest tenth of a centimeter
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04/19/21

Basic quen on probability

Quen: An ant farm contains both red and black ants. A particular passage in the farm is so narrow that only 1 ant can get through at a time. If 4 ants follow each other through the passage, how... more
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04/18/21

Suppose X is a normal random variable with mean 𝜇 = 70 and standard deviation 𝜎 = 5. Find a such that P(X ≥ a) = 0.01. (Round your answer to one decimal place.)
You may need to use the appropriate appendix table or technology to answer this question.Suppose X is a normal random variable with mean 𝜇 = 70 and standard deviation 𝜎 = 5. Find a such... more
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04/18/21

Z is the standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−1.62 ≤ Z ≤ 0.11)
You may need to use the appropriate appendix table or technology to answer this question.Z is the standard normal distribution. Find the indicated probability. (Round your answer to four decimal... more
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04/18/21

Solve the following equation for θ where 0∘≤θ<180∘. tan(−2θ+46∘)=cot(−2θ+96∘)
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04/17/21

Find the antiderivative F of f that satisfies the given condition. Check your answer by comparing the graphs of f and F. f(x) = 2ex − 8x, F(0) = 3
Find the antiderivative F of f that satisfies the given condition. Check your answer by comparing the graphs of f and F.f(x) = 2ex − 8x,    F(0) = 3
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04/17/21

Polynomial Functions

The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=1 and a root of multiplicity 1 at x=−4. The y-intercept is y=−0.8.
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04/16/21

please evaluate this equation
Use your calculator to evaluate. Give 3 decimal places for your answer.
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04/15/21

Water is leaking out of an inverted conical tank at a rate of 10,500 cm3/min at the same time that water is being pumped into the tank at a constant rate.
Water is leaking out of an inverted conical tank at a rate of 10,500 cm3/min at the same time that water is being pumped into the tank at a constant rate. The tank has a height of 6 m and the... more
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04/15/21

Consider the point P= (2,−4) and the function f(x) =x2−6x+ 8. Find the equation(s) of the line(s) passing through point P and tangent to the function f(x).
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04/15/21

Please please help! GEOMETRY
If lines p and q are parallel and angle 3 = 75o, write the measures of all other angles. Explain your reasoning in 2 or more sentences and include your calculations.
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04/15/21

Which of the following is the general solution of the differential equation dy dx equals the quotient of 8 times x and y
options - a) y2 = x2 + Cb)x2 - y2 = Cc)y2 = 4x2 + Cd)y2 = 8x2 + CI think its D
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04/14/21

Solve the following Mean Value Problems
1. Given f(x) = 3x^2 + 1, find c such that f(c) equals the average of f(x) = 3x^2 + 1 over (0,2).2. Given f(x) = x^3 - 1, find c such that f(c) equals the average of f(x) = x^3 - 1 over... more
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04/13/21

Suppose you have a student loan of $60,000 with an APR of 8% for 25 years. What are your required monthly payments?
Suppose you have a student loan of $60,000 with an APR of 8% for 25 years. What are your required monthly payments?
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04/13/21

Compound interest
1500 dollars is invested for 18 months at a nominal rate of 13%. Find the accumulated value if interest is compounded (i) monthly (ii) continuously.
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04/13/21

Identify, graph, and state the symmetries for each polar equation. Write the scale that you are using for the polar axis.
r = 1 - 2 cos theta r^2 = cos (2 theta)
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04/13/21

Solve the following equations, finding all values of x E R such that this equations are true.
First equation (x2+7x+11)(x2+1)(ln(x))(tan(x))=0Second equationx4(2x2-4x-3)(e3x^3-7x+4)(2sin(x)-1)=0
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04/12/21

Which expression is equivalent to (secβ−1)(secβ+1)/sec^2β for all values of β for which (secβ−1)(secβ+1)/sec^2β is defined?
which is the correct answer?secβtanβsin2βsecβtanβ
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04/12/21

Find the equation of the line tangent to f(x)=cos^2x/7+sin^2(1/7x) at x=pi/6
Find the equation of the line tangent to f(x)=cos2x/7+sin2(1/7x) at x=π/6
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04/11/21

Please Help. Convert the following direction into desired one requested in each case.
 a) Polar coordinate (3km/h (fraction form), 60o), convert into both true and quadrant bearing. b) Scalar component (-5, -10), convert into polar coordinate and true bearing.
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04/11/21

combining functions
Find (f∘g)(2) for the following functions. f(−9)=−13 and g(2)=−9(f*g)(2)=???
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04/11/21

Possible ways to choose

List all of the possible ways to choose 2 different colors from the list: red, blue, yellow, green. Be systematic. Give some kind of justification.
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04/10/21

A rancher wants to build a rectangular corral for his horses. He Also wants to split the corral into two identical rectangular areas by building a fence through the middle.
If the rancher has 1800 feet of fence, what dimensions should he use for x and y that will maximize the area in the corrals?
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04/10/21

Compunded Intrest
Find the cost of each item in 11 years, assuming an inflation rate of 12% (compounded continuously). (Round your answers to the nearest cent.)(a) phone bill, $37$ (b) pair of shoes, $65$ (c) new... more
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