12/10/18

An airplane takes 4 hours to travel a distance of 3000 miles with the wind. The return trip takes 5 hours against the wind. Find the speed of the plane in still air and the speed of the wind.
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12/10/18

A postage box should weigh 1. I'll pounds if there is a 5% error on the weight, what is the range of acceptable weight?
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12/10/18

which equation i slope int has a graph that passes through the point (-6,8) and has a slope of 3/4
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12/10/18

What is the highest power of 2 that divides evenly into 100!

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12/10/18

What is the name of this mathematical identity, 2^2 = (x+1/x)^2 - (x-1/x)^2?
Can anybody please tell me if this Mathematical Identity has a name? A proper name, I have been messing around with it, and I would like to find out more information about it.Any help... more
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12/10/18

how do you prove a parallelogram with given and proof statements
given and proof statements-given: <1 and <2 are supplementary; <2 and <3 are supplementary prove: PQRS is a parallelogram therom: same-side interior angles
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12/10/18

Complete the table below to find solutions to their linear equation -4x +4y=16
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12/10/18

Find (fog)(x) F(x)=x+3

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12/10/18

you mix 1/2 a cup of juice concentrate for every 3 cups of water to make 18 cups of juice.how much of each (concentrate/water)do you need to make 18 cups of juice answer
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12/10/18

how much was invested in each mutual​ fund?
An investor invested a total of ​$2,000 in two mutual funds. One fund earned a 4​% profit while the other earned a 2​% profit. If the​ investor's total profit was ​$74​, how much was invested in... more
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12/10/18

A slope that passes through (6, -4)

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12/10/18

How do I solve the equation -y=-3x+15
What do I have to do to the y?
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12/09/18

when did her engine trouble start
A race car driver averaged 140 miles per hour over the first part of the​ race, but engine trouble dropped her average speed to 100 miles per hour for the rest of the race. If the 380​-mile race... more
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12/09/18

What is 12y =8x-48 divider by 3 in slope intercept form

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12/09/18

A kayak can travel 30 miles downstream in 2 ​hours, while it would take 10 hours to make the same trip upstream. Find the speed of the kayak in still​ water, as well as the speed of the current
Things did not go quite as planned. You invested ​$18,640​, part of it in a stock that paid​ 12% annual interest.​ However, the rest of the money suffered a​ 5% loss. If the total annual income... more
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12/09/18

What's the average speed of the Jet Stream?
An airplane travels 1131 mi with the jet stream(wind) in the same time it can travel 559 miles against the jet stream. If the planes average speed in still air is 325 mph, what is the average speed... more
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12/09/18

kelly reduced the size of a portrait to have a width of 10 inches. if she used a scale of 1 inch : 2 inches, what was the width of the original portrait
kelly reduced the size of a portrait to have a width of 10 inches. if she used a scale of 1 inch : 2 inches, what was the width of the original portrait
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12/09/18

What is Pi and how do you find it?
What is pi and how do you find more digits of pi other then remembering the last 10 digits?
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12/09/18

Two numbers whose sum is 15 and difference is -9
Two numbers whose sum is 15 and difference is -9
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12/09/18

Y + 3 = - 1/3 ( 2x + 6)
Rrewrite equation in slope-intercept form
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12/07/18

need help for final
if f(x)=3x/x^2+9 find f'(x) and f'(1)
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12/07/18

Winton's Cafe uses 2 bags of coffee every day. For how many days will 4/5 of a bag of coffee last?
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12/07/18

Zacks favorite outdoor temperature is 80 Fahrenheit, give or take 5 Fahrenheit. Solve an absolute value equation to model the maximum and minimum temperatures

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12/07/18

Find the value of two numbers of their sum is 12 and their difference is 5
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12/07/18

Can you find two integers m,n such that m+n=mn
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