05/01/19

How should I simplify 1+tan^2x / sec^3x?
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05/01/19

Pre-Calc Question on Exponential Decay
The most common use of radioactive isotopes in medicine is to diagnose disease. Typically, radioactive materials are injected into the body and then radiation-detecting cameras are used to build... more
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04/30/19

the denominator of a fraction is 4 more than its numerator. If the fraction equals 1/3, what is the fraction?
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04/30/19

Simplify the expression. Type the answer in the standard form of complex numbers . (2 + 7i) − (4 − 8i)
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04/30/19

solve the inequality and graph the solution. Type the inequality as an interval. |x+1| > 3
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04/29/19

Trigonometry Question
Solve 5sin2θ-18sinθ-8=0 for 0≤θ≤360°a) θ≈203.6° or 336.4°b) θ≈240° or 300°c) θ≈33.6° or 156.4°d) θ≈30° or 150°
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04/29/19

What is the total area of the plate glass that forms the base and lateral faces of the pyramid? Round your answer to the nearest whole number.
You are making a regular square pyramid with a height of 14 centimeters and a base edge length of 8 centimeters using a base and lateral faces made of plate glass.The total area of the plate glass... more
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04/28/19

Can you show me the way to get an answer to this?
A study showed that 34% of all firms in country A are owned by women. You phone local businesses, assuming that the national percentage is true in your area. You call 4 firms. What is the... more
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04/28/19

I have an algebra 2 question

y=2x2 y=-3x-1
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04/26/19

Why does .99999… = 1?
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04/25/19

If -6a>-24, then which of the following is true for all values of a ?
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04/25/19

wecare testing one propbablity
Nathan is flipping a coin three times.What is the probability that it will land on tails twice and heads once? A.  B.  C.  D. 
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04/25/19

Find the area of a pentagon with an apothem of 4.5 cm and a side of 6.5 cm
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04/25/19

Quadratic Functions, Math help
What is the formula for the quadratic function given the vertex (12,4) and y-intercept being -12?
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04/25/19

Can you help me prove the following trig equation? (Sin^2 X) + (Cos^2 X) = 1
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04/25/19

What is the value of tanx.cotx?
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04/24/19

Find all solutions of the equation Cos(2x) −3 sin(x) + 1 = 0?
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04/24/19

How would you completely factor: a(x) =8x^3 - 12x^2 + 18x -27 without knowing any of the roots?
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04/24/19

What is f(x), if f(x+1) =f (x+1/x)?
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04/23/19

If -6x² - 3x = 0, then what is x?
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04/23/19

What is the value of a if (a-7) (a-11) >0?
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04/23/19

The diameter of a circle is 170 the circle has two chords of length 26 inches what is the distance from each chord to the center of the circle?
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04/23/19

You have 5 action figures. What is the probability that when you line then up at random, that they will be in the order you bought them in?
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04/23/19

A triangle has sides of lengths 3 cm, 4 cm, and 5 cm. What is the area of the circle inscribed in the triangle?
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04/23/19

What is the probability of rolling two dice and getting a sum of 3?
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