07/11/18

5x+8y=-1 and 3x+y=7
Explain how to solve a system of equations using the addition method.Use 5š‘„ + 8š‘¦ = āˆ’1 and 3š‘„ + š‘¦ = 7 to illustrate your explanation Ā 
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07/11/18

Which trigonometric equation correctly models the distance the swimmer swam toward the buoy in terms of x and y ?
A rescue team is deployed via helicopter to rescue a struggling swimmer. The helicopter locates the swimmer, who is several feet from a tethered buoy. The helicopter hovers 400 feet over the buoy... more
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07/10/18

sum of first n terms of a series is n*2+5n for all integral values of n find first three terms. prove this is an arithmetic progression
The sum of the first n terms of a certain series is n*2+5n for all integral values of n find the first three terms and prove that this is an arithmetic progression
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07/10/18

is there a way to graph points that are not whole numbers?
Ā need help
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07/10/18

What's the length of a rectangle with the area of 47.3 square feet and width of 5.5 feet. What is the length
Need to know the lengthĀ 
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07/10/18

Why donā€™t you use pemdas in absolute value
3|13-2t|=15
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07/10/18

probability question help please!!!
Four cards are drawn from a standard deck. No cards are returned.a) Which is more likely:Event A: drawing a straight (four consecutive cards e.g. 5, 6, 7, 8), orEvent B: drawing four consecutive... more
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07/10/18

Solve the equation for 0<q<360. SecĪø=(2sqrt3)/3
Trig equation and identityĀ 
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07/09/18

Substitution Method Help
How do you use the substitution method for this problem? It's: 2x-1/2y=-3 and x/5+2y=19/5. The slashes signify that they are fractions.
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07/09/18

How many combinations of 3 variables are possible when single variables can't be repeated
This is a bit of a strange and specific question, but I've been putting a lot of thought into this problem and can only find 8 totally unique combinations, while I thought there'd be 9. I hope I... more
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07/09/18

Fireworks can go up to 1000 feet in around 3 seconds. Whatā€™s is itā€™s average vertical speed in feet per second and miles per hour?
Plz answer my question because I donā€™t know the answer to it and it doesnā€™t make sense to me so see if it makes sense to you
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07/09/18

How to find the points of a triangle in a Cartesian plane?
In the Cartesian plane, a triangle formed by the three lines, r1: = 0, r2 = 2x, r3 = -x+7Ā  What are the points that lie inside the triangle?
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07/09/18

what does 2+2*2+3*2+4=
math question
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07/09/18

One number is 7 more than twice another number. The sum of the numbers is 22. What is one of the numbers?
its math that im working on soo thanknu very very musch for helping me.
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07/09/18

A truck enters a highway driving 60 mph. A car enters the highway at the same place 10 minutes later and drives 74 mph in the same direction.
A truck enters a highway driving 60 mph. A car enters the highway at the same place 10 minutes later and drives 74 mph in the same direction. From the time the car enters the highway, how long will... more
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07/09/18

Amir lent rs 600 to Hamid for 2 years and rs 150 to Aman for 4 years and received from both rs 90 as simple interest. What is the rate of interest
We have to find the rate of interestĀ 
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07/09/18

Given x^3 + x^2 * y - 20 = 0 and y^3 + x * y^2 - 45 = 0 what is y?
It is given that x and y are positive real numbers. Ā 
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07/08/18

algebraic expression for 5 less than 9 times X
need toĀ Write an algebraic expression for ā€œfive less than nine times x.ā€?
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07/08/18

If you choose two random points on a circle, what is the chance of the distance between them being the same length as the diameter of the circle?
I'd like a step by step solution and (if possible) a method of simplifying it. Thanks!
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07/08/18

Probability
A pair of dice is rolled. What is the probability of getting a sum less than 4?
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07/08/18

Find the number of natural numbers less than 1000 and divisible by 5 can be formed with the ten digits each digit not occurring more than one in each number?
I need solution with clear steps Ā  Ā 
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07/07/18

Worded algebra question
Ryan can mow a lawn in 1 hour and his son Malik can mow the same lawn in 50 minutes. One day Malik started mowing by himself in 30 minutes. Then Ryan joined him and they finished the lawn. How long... more
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07/07/18

College algebra work
One computer can do a job twice as fast as another. Working together both computers can do a job in 2 hours. How long would it take each computer working alone to do the job.
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07/07/18

Which polynomial function f(x) has a leading coefficient of 1, roots ā€“4, 2, and 9 with multiplicity 1, and root ā€“5 with multiplicity 3?
One of the answers that i can give would be f(x)=3(x+5)(x+4)(x-2)(x-9)
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07/07/18

The positive value of m for which the roots of equation 12x^2+mx+5=0 are in the ratio 3:2 is.
The positive value of m for which the roots of equation 12x2+mx+5=0 are in ratio 3:2 is:
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