19,133 Answered Questions for the topic Algebra

10/21/21

parallel, perpendicular, or neither?
Are the lines given by y = –2x + 3 and 6y – 3x = –18 parallel, perpendicular, or neither?
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10/21/21

Help me with this problem?
Write the equation if is reflected about the x-axis, shifted 1 unit up, shifted 1 unit left and reflected about the y-axis.
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10/21/21

How do I express the answer graphically and algebraically?
A motorcycle stunt rider jumped over the canyon. The path of her motorcycle was given approximately by the function H(x)=−0.005x^2+4.2x+900, where H is measured in feet above the ground and x is... more
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Algebra Math Prealgebra

10/20/21

Solution to inequality?
Is the point (− 5/3 , 5) a solution to the inequality: 3x – 8 ≥ − 2/5𝑦? Show work.
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Algebra Math

10/20/21

parallel, perpendicular, or neither?

Are the lines given by y = –2x + 3 and 6y – 3x = –18 parallel, perpendicular, or neither?
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Algebra

10/20/21

Find the equation of this line.
Sketch the graph of the line containing the point ( 0, −4 ) and has slope 2. Find the equation of this line.Sketch the graph of the horizontal line containing the point (2, −3). Find the equation... more
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10/20/21

What is the equation of the line that passes through the point (-6,6) and has a slope of 1/3?
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Algebra Math Algebra 1

10/20/21

slope 1/5 passes through (-2,-3) in point slope form
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Algebra Algebra 2

10/20/21

find the time that the rocket will hit the ground, to the nearest 100th of second. y=-16x^2+149x+108
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation,
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10/19/21

(x)=√(5x+10), find f′(x) using the definition f′(x)= lim, h→0, {f(x+h)−f(x)} / h . Then, using this, find the tangent line to the graph of y= √(5x+10) at x=3. Enter
For f(x)=√(5x+10), find f′(x) using the definition f′(x)= lim, h→0, {f(x+h)−f(x)} / h . Then, using this, find the tangent line to the graph of y= √(5x+10) at x=3. Enter all values as integers, or... more
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Algebra Algebra 2

10/19/21

find out the maximum amount of profit the company can make, to the nearest dollar. y=-4x^2+183x-1247 y=−4x 2 +183x−1247
A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the given equation. Using this equation,
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Algebra

10/19/21

Rachel, Deshaun, and Charlie sent a total of 71 text messages. Rachel sent 9 fewer messages than Deshaun. Charlie sent 2 times as many messages as Deshaun. How many messages did they each send?
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10/19/21

Solving distance rate time problem using a system of linear equations
Two buses leave a station at the same time and travel in opposite directionsOne bus travels 15 km/h faster than the other.If the two buses are 1050 kilometers apart after 6 hours, what is the rate... more
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Algebra Precalculus

10/19/21

How to do x2-x-y=11 and x-y=2 doing substitution or elimination.
To determine the solution of the system of equation.
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Algebra Math

10/18/21

The circumference of a circular garden 119.32 feet. What is the diameter of the garden? Use 3.14 for and do not round your answer
Circumference diameter pie
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Algebra Math Prealgebra

10/17/21

A greeting card company has an initial investment of $60,000. The cost of producing one dozen cards is $7.50.
A greeting card company has an initial investment of $60,000. The cost of producing one dozen cards is $7.50.Write the average cost per dozen C=C/x as a function of x, the number of dozens of cards... more
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10/17/21

A car starts on a trip and travels at an average speed of 40 miles per hour. Three hours later, a second car starts on the same trip and travels at an average speed of 55 miles per hour.
A car starts on a trip and travels at an average speed of 40 miles per hour. Three hours later, a second car starts on the same trip and travels at an average speed of 55 miles per hour.a. Find the... more
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10/17/21

Help me answer this problem!!
The dimensions of a rectangle are x and y and its perimeter is 60 meters. Write the area A of the rectangle as a function of x.
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10/17/21

Matrices question
Hi I'm am struggling to answer the last question in my textbooks chapter...Three crop sprays are manufactured by combining chemicals A, B and C as follows:One barrel of spray P contains 1 unit of... more
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Algebra Math Trigonometry

10/16/21

math question help
Josh went to try the Ferris wheel ride in the theme park, and his distance from the ground (in meters) on the Ferris wheel is given by the function,where s denotes the amount of time in seconds.... more
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10/16/21

h(x)=-0.005x^2+4.2x+900 Word Problem

A motorcycle stunt rider jumped over the canyon. The path of her motorcycle was given approximately by the function H(x)=−0.005x^2+4.2x+900, where H is measured in feet above the ground and x is... more
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10/16/21

Quadratic Function Algebra Problem

A premium movie theater currently charges $14.00 per ticket and sells 900 tickets every week. A) What is the current weekly revenue? B) The theater estimates that for each $0.50 increase in ticket... more
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10/16/21

S=2700-1.25x Problem
A company has determined that the demand function for a certain couch is given by s=2700−1.25x, where s is the selling price per couch, and x is the number of couches sold. The costs associated... more
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10/16/21

Equation of Parabola Problem

A) Determine the equation of the parabola with a vertex at (-2, 12) and also goes through (1, -15). Express your answer in both vertex form, as well as general (ax2+bx+c) form. B) Solve the... more
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10/15/21

Let (7, -3) be a point on the terminal side of θ. Find the exact values of cosθ, secθ, and cotθ
Let (7, -3) be a point on the terminal side of θ. Find the exact values of cosθ, secθ, and cotθcosθ = secθ = cotθ =
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