01/17/21

x^(2)+x<=6; D=[Reals]
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01/17/21

Complete the square as an aid in graphing - y=x2+4x-2
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01/15/21

If f ( x ) = x 3 + 10 x 2 + 19 x − 30 f(x)=x 3 +10x 2 +19x−30 and x + 5 x+5 is a factor of f ( x ) f(x), then find all of the zeros of f ( x ) f(x) algebraically.
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01/15/21

help me pleaseeeee
A flare is launched from the deck of a lifeboat 8 ft above the water surface. The initial upward velocity is 120 feet per second. (Vertical Motion Model: h(t) = -16t2 + vt + s)Write a vertical... more
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01/15/21

help me pleaseeeee
A framed picture has a total area y, in square inches. The thickness of the frame is represented by x, in inches. The equation y = (8 + 2x)(10 + 2x) relates these two variables.What are the length... more
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01/15/21

help me pleaseeee
Write an equation to find the xth term in this quadratic sequence:8, 14, 24, 38,...
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01/15/21

Ferris Wheel Trigonometry Problem [URGENT]
You are in an amusement park with your friends. They wish to ride the Ferris wheel but you opted not to ride with them. After loading your friends who are the first in line, the wheel rotates 45 ̊... more
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01/15/21

Find the Asymptotes, domain, and range

find the asymptotes, domain, and range of f(x)=1/x-1
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01/09/21

Sketch the graph of the function. (Include two full periods.) Use a graphing utility to verify your result.
y = 1/9  cot(x + 𝜋)A. B. C. D.
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01/08/21

The depth of water at the end of a pier varies with the tides throughout the day. Today the high tide occurs at 4:15 am with a depth of 5.2 m. The low tide occurs at 10:27 am with a depth of 2.0 m.
a) 4:15 = ? hrs and 10:27 = ? hrs after midnight. b) When would the next high tide and low tide occur (give both the clock time and hrs. after midnight)? c) Graph the information from the given... more
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01/07/21

A wheel of radius 10 inches is rotating 45°/sec. What is the linear speed in in/sec and the angular speed in RPM? In/sec? RPM? What is the angular speed in radians/sec? 
It’s a two part question and we just started learning this and I’ve used this website as a reference because it really helps with the step-by-step process.
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01/05/21

y=18.47x - 2.96 / .24x+1 ,x> 0

In photosynthesis, the amount of CO2 uptake (in milligrams per square decimeter per our) at optimal temperatures and with the natural supply of CO2 is approximated by y=18.47x - 2.96 / .24x+1 ... more
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12/13/20

State the quadrant in which 𝜃 lies.
sin(𝜃) < 0 and cos(𝜃) < 0a. Ib. IIc. IIId. IV
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12/11/20

Find ALL roots of the following.
Find ALL roots of the following.       x=x=a= b= c=
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12/06/20

In radians, find all angles that have a tangent of 2.5 in the interval [0,2pi)
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11/30/20

The question is below i need within 5 minutes please.
Here is Texas' approximate area in square miles: 2.618×105How can you express the area of Texas in standard notation? Show your work or explain your thinking.
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11/24/20

Give the smallest two solutions of cos (2θ) = 0.8212 on [0, 2π). Separate the two solutions with a comma
Give the smallest two solutions of cos (2θ) = 0.8212 on [0, 2π). Separate the two solutions with a comma
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11/23/20

How do you find the zeros of x^2(2x-3)?
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11/23/20

Solve the equation in the interval [0,2π]. If there is more than one solution write them separated by commas. (sin(x))2=1/36
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11/22/20

Precalculus Trigonometry Ferris Wheel Question

A Ferris wheel is 12 meters in diameter and makes one counterclockwise revolution every 6 minutes. Given that riders board the Ferris wheel at ground level, how long does it take for a rider to go... more
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11/22/20

Suppose a pebble has been dropped into a pond forming a circular ripple. If the rate of change of the circumference of the circle is 4π in/s, what is the rate of change
Suppose a pebble has been dropped into a pond forming a circular ripple. If the rate of change of thecircumference of the circle is 4π in/s, what is the rate of change of the area of the circle... more
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11/22/20

A 15-foot ladder is leaning against a house. If the tip of the ladder begins to slide down the house at a rate of 5 feet per second. What is the rate of change of the base of the ladder.
A 15-foot ladder is leaning against a house. If the tip of the ladder begins to slide down the house at a rate of 5 feet per second, what is the rate of change of the base of the ladder when the... more
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11/22/20

Select ALL of the values for x that are solutions to the inequality
-2x-3≤-1((Select any number below that matches the math problem on top. Select whatever is correct it's a multiple choice questions!))-1-210
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11/22/20

A new 2014 luxury sedan that sold for $38,880 has a book value V of $24,319 after t = 2 years.
(a) Find a linear model for the value V of the sedan.V(t) =(b) Find an exponential model for the value V of the sedan. Round the numbers in the model to four decimal places.V(t) =(c) Use a graphing... more
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11/21/20

I can't figure out how to do this Trig function equation.
sin^2 theta * cos theta = cos theta over the interval [0 degrees, 360 degrees)answer is in degrees
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