915 Answered Questions for the topic Equations

07/08/19

#### Writing equations of lines parallel and perpendicular to a given line through a point

Consider the line =−4x-9y=2.Find the equation of the line that is perpendicular to this line and passes through the point (5 ,−1).Find the equation of the line that is parallel to this line and...
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06/21/19

#### Which 3 working together could sort 1000 letters in 2 hours?

Mike can sort 400 letters in 2 hoursPat can sort 450 letters in 3 hoursAndrew can sort 400 letters in 4 hoursShauna can sort 500 letters in 2 hoursWhich 3 working together could sort 1000 letters...
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06/14/19

#### each womens washroom uses an average of 1304 rolls of toilet paper and 47 rolls of paper towel per day, which costs a total of $51.34 per day. write an equation to model the information?

each womens washroom uses an average of 1304 rolls of toilet paper and 47 rolls of paper towel per day, which costs a total of $51.34 per day. Each men's washroom uses an average of 540 rolls of...
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06/14/19

#### My question is : 9y-8x=2ny+7

for the ny part, I don’t know how to separate the two to get rid of the n.... show steps pls I need to see if I’m solving it right. Thx

06/09/19

#### Salary plus Commision Equation

Jasmin gets paid a base salary of $700 a week. She also gets paid an additional $20 for ever 50 items she sells.I have to write an expression to represent this relationship. I have an equation but...
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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.

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...
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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...
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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

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

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...
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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°

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

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...
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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...
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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...
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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...
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