59,485 Answered Questions for the topic Math

Math

11/03/23

Translating a sentence into a multi-step equation PLEASE HELP ASAP
Nine times the sum of a number and 3 equals 2.
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Math

11/03/23

Translating a sentence into a multi-step equation

Three less than the product of 4 and a number is equal to 9.
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Math

11/03/23

When 2,000 pounds of paper are recycled or reused, 17 trees are saved. How many trees are saved if 5,000 pounds of paper is recycled?

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11/03/23

Parametric Equations: Maximum

Find the time it takes for a ball following the path of the parametric equations, x = 4t - 8 and y = -t^2 + 18t, to reach a maximum
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11/03/23

Parametric Equations: Time Pt. 1
Find the time it takes for a rocket following the path of the parametric equations, x = 4t - 8 and y = -2t^2 + 18, to hit the ground
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Math

11/03/23

Suppose that y varies directly as x. If y = 35 when x = 5, find the constant of variation k.
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Math

11/03/23

I need help answering this question immediately from ALEKS:

Consider the line y = -7x + 7. Find the equation of the line that is parallel to this line and passes through the point (5, 4) . Find the equation of the line that is perpendicular to this line... more
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11/03/23

A bicycle with 24-inch diameter wheels is traveling at 20 mi/h. Find the angular speed of the wheels in radians per minute.

A bicycle with 24-inch diameter wheels is traveling at 20 mi/h. Find the angular speed of the wheels in radians per minute. How many revolutions per minute do the wheels make?
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11/03/23

Explain the differences between linear speed and angular speed when describing motion along a circular path. (Select all that apply.)
Linear speed is the distance traveled over time. Linear speed is always greater than angular speed. Linear speed can be measured in miles per hour. Linear speed can be measured in degrees. Angular... more
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Math

11/03/23

i need help ASP
Aj has doube the amount of video games that mike has. Joe has 2 more then twice the amount of video games that mike has together they have 57 video games. How many video games do they each have?... more
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11/03/23

There is lightning rod on the top of a building. From a location 650 feet from the base of the building, the angle of elevation to the top of the building is measured to be 40°.
There is lightning rod on the top of a building. From a location 650 feet from the base of the building, the angle of elevation to the top of the building is measured to be 40°. From the same... more
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11/03/23

Find all real solutions.
Find all real solutions to the equation log4(3x^2) - log4(4x+8) = -1Be sure to check any potential solutions in the original equation.
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11/03/23

Half-life of approx. 3.45 years.
Show that a radioactive substance which exponentially decays to 20% of its initial value after 8 years has a half-life of approximately 3.45 years. Recall that the half-life is the length in time... more
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Math

11/02/23

How much money was spent for t shirts.
At a concert, you purchase 7 T-shirts and a program for a total cost of $93. The program costs $9 and the T-shirts all cost the same amount. Find the cost of one T-shirt
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11/02/23

How to get over silly mistakes in Mathematics and other pointed multiple-choice exams?
The key point of it is to have laser-focus - and the expectation, upon walking into the test, that you will score as high as possible. Once you have the combination of these skills, you will 1)... more
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Math

11/02/23

limit questions
calculate the following limits:lim: √x - x*2 + 1 / x-1 :x goes to 1
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Math

11/02/23

MathHomework graphing
If f{x}=-5, what is x
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Math Calculus

11/02/23

Find a power series representation for the function; find the interval of convergence. (Give your power series representation centered at x = 0.)
Find a power series representation for the function; find the interval of convergence. (Give your power series representation centered at x = 0.)f(x) = (x^2+1) / (6x-1)The answer blanks for this... more
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Math Calculus

11/02/23

Fina power series representation for the function
Fina power series representation for the functionf(x) = ln(1-3x)Could you walk me step by step how to solve this problem? I'm struggling trying to get the right answer.
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Math

11/02/23

Fine the number
Three times the sum of 16 and a number is 4 less than seven
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11/01/23

How to write a linear equation that will find out how many miles George can travel
George and his grandmother want to visit a different destination each day. He needs to decide which destinations they can visit and still keep the total car rental cost inside of his $245 car... more
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11/01/23

Let f (t) be the weight (in grams) of a solid sitting in a beaker of water. Suppose that the solid dissolves in such a way that the ROC (in grams/min) of the weight of the solid at any time 't'
Let f (t) be the weight (in grams) of a solid sitting in a beaker of water. Suppose that the solid dissolves in such a way that the rate of change (in grams/minute) of the weight of the solid at... more
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11/01/23

Let y = 3 * sqrt(x). Find the change in y, or delta (y) when x = 4 and delta (x) = 0.2. Find the differential 'dy' when x = 4 and dx = 0.2
Let y = 3 * sqrt( x )a) Find the change in y (delta y) when x = 4 and the change in x (delta x) = 0.2b) Find the differential 'dy' when x = 4 and 'dx' = 0.2
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Math Calculus

11/01/23

The circumference of a sphere was measured to be 89cm with a possible error of 0.5cm. Use linear approximation to estimate the maximum error in the calculated surface area.
I understand that linear approximation is f(a)+f'(a)(x-a). I know that the surface area is 2pir^2. I can't seem to puzzle together how everything fits. Can somebody explain HOW to solve this... more
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Math

11/01/23

A cookie factory uses 2/3 of a barrel of oatmeal in each batch of cookies. The factory used 1 1/3 barrels of oatmeal yesterday. How many batches of cookies did the factory make?
Can you please show me how to do it and can u give me the answer plz!!
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