1,081 Answered Questions for the topic Equations

06/08/19

which of the following equation are non linear?

which of the following equations are non-linear?a) y = -4x^2 - 7 b) 7 x - 9y = 118 c) -5/3x = 2y d) y = 5x^3 + 8x e) y = 9x + 2 and for each linear equation, rewrite in standard form.
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Equations Math Algebra 1 Algebra

06/05/19

Which online calculator allows me to bulk calculate a single number by every math constant number there is?
I am doing it manually and is taking a long of time, I need the number 17 divided by every single mathematical constant as seen in the wikipedia list of mathematical constants, which website would... more
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06/05/19

Help w/ Polynomials!!
A swimming pool has the dimensions shown. A uniform walkway that is the same distance on all sides of the pool is built around the swimming pool. Which of the polynomials could be used to... more
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Equations Prealgebra

05/31/19

I can cut a yard in 3 hours. You can cut the same yard in 2 hours. If we did the yard together how long would it take us?
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Equations Algebra 1

05/30/19

Josh and jacob each recieved the same amount of money to spend at the mall. Each boy spent $25. Then they had $10 left all together. How much did each boy originally recieve
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05/29/19

What is ( x^7 over z^3) ^5 ?? Simplify?

Show work thoroughly, I have finals coming up and I really need this asap. So I can study. Just show ur work and I’m sure to get it. Thank so muchhh
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Equations Math Algebra 2

05/24/19

Help Math!! Please
What are the solutions of the system{(x-5)2+y2=16{36y2-25x2=900a. (5,4) and (1,0)b. (5,4) and (6,0)c. (0,5) and (6,0)d. no solutions
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05/18/19

Please somebody explain how to solve word problem

At the city museum, child admission is 5.90 and adult admission is 9.10. On Wednesday, 3 times as many adult tickets as child tickets were sold for a total sale of 962.80. How many child tickets... more
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Equations Trigonometry Theta

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

Trigonometry question......help!
Which of the following third-quadrant angles satisfies the equation 2cos2x-cosx=1a)0b)2π/3c)7π/6d)4π/3
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Equations Physics Confused Quid?

04/29/19

Earth is a distance of 1 Astronomical Unit (AU) from the Sun, whereas Pluto is 39.5 AU form the Sun. How long, in Earth years, does it take Pluto to complete one orbit of the Sun?
Earth is a distance of 1 Astronomical Unit (AU) from the Sun, whereas Pluto is 39.5 AU form the Sun. How long, in Earth years, does it take Pluto to complete one orbit of the Sun?I don't quite... more
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Equations Physics Help Rockets

04/29/19

You own a spaceship that can travel up to 25 m/s. Are you able to use it to escape from a spherical astroid that has a mass of 3.5 x 10^16 kg, and a radius of 8.8 km?
You own a spaceship that can travel up to 25 m/s. Are you able to use it to escape from a spherical astroid that has a mass of 3.5 x 10^16 kg, and a radius of 8.8 km?How do I solve this, and what... more
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Equations Physics Magnitude

04/28/19

The force of gravity on earth due to the sun is 3.6 x 10^22N. What is the magnitude of the gravitational field due to the sun at earths location?
The force of gravity on earth due to the sun is 3.6 x 10^22N. What is the magnitude of the gravitational field due to the sun at earths location?What equation do I use for this, and how do I solve... more
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Equations Physics Acceleration

04/28/19

The acceleration due to gravity on the surface of Mars is 3.7 m/s^2. What is the acceleration due to gravity at a distance of 1 mars radius above the surface of Mars?
The acceleration due to gravity on the surface of Mars is 3.7 m/s^2. What is the acceleration due to gravity at a distance of 1 mars radius above the surface of Mars?What equation should I use for... more
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04/24/19

On Monday 1/9 of the enrolled students in a school were absent. There were 4,512 students present how many students are enrolled at the school in total ? Write the equation and solve.

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04/11/19

Trigonometric Equations
Using inverse trigonometric functions, find a solution to the equation  cos(x)=.7 in the interval 0 to 4pi. Then, use a graph to find all other solutions to this equation in this interval. Enter... more
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04/11/19

Solving Trigonometric Equations
 Find all solutions to the equation with . Give an exact answer if possible, otherwise give value(s) of  accurate to at least four decimal places.4tan(a)+9=7I found the arctan of -1/2, (2.6779) but... more
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Equations Algebra 1

04/08/19

The sum of two numbers is −11. One number is 161 less than the other. Find the numbers.
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Equations Algebra 1

04/03/19

equations inequalities
when bob got out of math class, he had to make a long-distance call. he had exactly enough dimes and quarters to make a phone call that would cost $2.55. he has one fewer quarters than he had... more
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Equations

04/02/19

System of equations
A store orders flour that comes in 5-pound bags let x represent the number of 5-pound bags the store orders. The number of 25-pound bags of flour the store orders is 40 more than half the number of... more
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03/27/19

Hotkey for insert equation to word 2010?
It's not so convenient to go to insert --> equation --> insert new equation everytime you want to create a new one. I guess there must be some hotkey to insert an inline equation at the... more
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Equations Algebra 1

03/26/19

The cost of a pen is three times the cost of a pencil. The cost of 4 pencils and 3 pens is $9.75 what is the cost of a pencil
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Equations Functions Graphing

03/18/19

The graph of g(x) is f(x) translated to the left 8 units and up 2 units. What is the function rule for g(x) given f ( x ) = x 2 ?

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03/18/19

What are the solutions to the equation?
What are the solutions to the equation: 4x^2*y^2+z^4+sqrt(3x^2*y-6x^2)+16=7z^2+4xyz
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Equations Algebra 1

03/12/19

5x − 5 = x + 15
how do you do this? i know how but this one is confusing.
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