02/20/21

Solve the exponential equation by converting to a common base:
Show step by step work:27x-16=97x+31
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02/20/21

Solve the exponential equation by converting to a common base:
Show step by step work:814x+18=932x+34
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02/19/21

Exponential Growth and Decay Algebra 1
Suppose the population of a town is 127,000 in 2014. The population increases at a rate of 5.2 percent every year. What will the population of the town be in 2020? Round your answer to the nearest... more
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02/19/21

please simplify to an expression involving a single trig function with no fractions.
1 - sin2(t) / sin2(t)
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02/18/21

Factoring Quadratic (imaginary numbers)
Given that a, b, and c are real numbers, which of the following could NOT be the entire solution to the equation?ax2+bx+c=0 x = 5i or x = 3i x = 5 or x = -3 x = 5 + 3i x = 5 - i or x = 5 +... more
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02/18/21

Determine the roots of the given polynomial. Give exact answers. f(x) = x4+4x3+8x2+8x+3
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02/17/21

Find all solutions of the equation sin 2 x = 2 sin x + 3 . The answer is A + B k π where k is any integer and 0 < A < 2 π , A =
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02/17/21

Find all solutions of the equation 3 sin 2 x − 7 sin x + 2 = 0 in the interval [ 0 , 2 π ) . The answer is x 1 = ? and x 2 = ? with x 1 < x 2 .
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02/17/21

Write the end-behavior of f(x) = (2x^2+7x-15)/(x-1) . Be sure to include all concepts of end behavior.
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02/15/21

Find the exact value of each expression.
(a)    sin(1125° + 480°)= _________(b)    sin(1125°) + sin(480°)= __________
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02/13/21

Trignometric functions
solve for x
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02/12/21

Are the angles of a 3:4:5 triangle able to be written as a fraction?
(ex. (√3)/2 like in the unit circle.)Just curious because it came up in one of my Pre-Calculus tests and was wondering if they had easy angles.
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02/12/21

Solve the equation. Round to 4 decimal places when necessary.
(1/9)^k ⋅ 27^k+4 = (1/81)^3-k
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02/12/21

A new car is purchased for 17600 dollars. The value of the car depreciates at 11.75% per year. What will the value of the car be, to the nearest cent, after 11 years?
need it quickly please
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02/12/21

Find sin ( u /2 ) if sin u = 0.787 and u is in Quadrant-I (assume that 0 < u < 2 π ). sin ( u /2 ) =?
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02/12/21

If tan(x)=2/25 (in quad 1) find the following: cos(2x)
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02/11/21

Trigonometric function.
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02/11/21

Trigonometric Function
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02/11/21

A scientist is growing bacteria. The number of bacterial cells triples every week. There are currently 20 cells. Which expression shows how to find the number of cells in 4 weeks?

Need to know th equation
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02/11/21

The total revenue for a commodity is given by R(x) = 2x √(500 - x) , when there is a demand for x units. The maximum total revenue is approximately:
The total revenue for a commodity is given by R(x) = 2x √(500 - x) , when there is a demand for x units. The maximum total revenue is approximately:
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02/11/21

math precalculus 12
if you were to reflect the graph of y = (2/3)x + 1 in the x -axis, its eqaution would be
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02/10/21

If A denotes the area of the sector of a circle of radius r formed by the central angle 0, find the missing quantity. If necessary, round the answer to two decimal places

r= 18 feet, A= 47 square feet, 0=?
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02/10/21

help 1 by 1...........
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02/10/21

Polynomial of degree
The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=2 and a root of multiplicity 1 at x=−2. The y-intercept is y=−0.8.Find a formula for P(x).P(x) = ??
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02/10/21

If θ is an angle in standard position and its terminal side passes through the point (-1/2, -1/2) on a unit circle, a possible value of θ is
330° 60° 30° 210°
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