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Math Help For College

04/20/18

An airplane flies 4032 miles into the wind for 14 hours. The return trip takes 9 hours. Find the speed of the airplane without a wind and the speed of the wind.

math class

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Math Help For College

04/20/18

One earthquake has a Richter scale reading of 6.8. Another is one-thousandth as strong. What is its Richter scale reading?

Not completely sure what this question is asking.

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Math Help For College Trigonometry Math Help Math Problem

04/20/18

Pythagorean Identity!

Please help! Use the Pythagorean Identity Sin^2 t +Cos^2 t =1 and give information to find Cos t Sin t = 2 Square root 2/ 3; 0 Less than or equal to T less then pi/2. Answer Given... more

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Math Help For College

04/15/18

License plates are made using 2 letters followed by 2 digits. How many plates can be made if repetition of letters and digits is allowed?

duplicate letters

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Math Help For College

04/08/18

what is the answer to this math question k=3r-7s

what is the answer

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Math Help For College Calculus Pre Calculus

04/07/18

Put the equation into standard form and identify the vertex, focus and directrix.

25x2+ 20x + 5y − 1 = 0

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Math Help For College

04/06/18

From 1842 to 1902 they eroded by about 69 meters. What was the rate of erosion along the falls?From 1907 to 1927 the falls eroded by about 14 meters.

The falls that make up Niagara Falls are eroding backwards, thus migrating upstream. From 1842 to 1902 they eroded by about 69 meters. What was the rate of erosion along the falls? Give an answer... more

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Math Help For College Alberga

04/03/18

If 2 sweaters cost $28.50, how much would 9 sweaters cost?

I need help answering the question

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Math Help For College

04/01/18

One integer is 8 times another. If the product of the two integers is 128, then find the integers. 2 Sets of answers

One integer is 8 times another. If the product of the two integers is 128, then find the integers. Find 2 possible answers

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Math Help For College

04/01/18

An object is projected directly upward from the ground. Its distance in feet from the ground in t seconds is s equals 96 t minus 16 t squared . A small circle

An object is projected directly upward from the ground. Its distance in feet from the ground in t seconds is s equals 96 t minus 16 t squared . A small circle is above a horizontal line segment... more

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Math Help For College

03/31/18

A room is 1.5 times as long as it is wide, and its perimeter is 35 meters.

How do i solve (b) Write l in terms of w.l = Write an equation for the perimeter in terms of w.P = (c) Find the dimensions of the room.w = ml = m

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Math Help For College Math

03/30/18

Using the the compound

Using the compound intterest formula:A=P(1+r)^t . How do I solve for t or r? 1. A=$2500,P=2000,t=5 2.A =$1500,P=$1000,r=4%

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Math Help For College Simplify Simplifying Expressions College Algebra

03/27/18

Simplify this expression:

(3/y-1) - (3/y2-1) The answers can be any of the following (I am prepping for a placement exam at a university): A) 3y/(y+1)(y-1) B) 5y/(y+1)(y-1) C) 3y/(y+2)(y-1) D)... more

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Math Help For College Math Math Help Math Word Problem

03/26/18

Math word problem please help

Create a linear inequality that as the soultion of x < -2/5. You must have at least two terms on each side of the equation that contains the variable x and at least one contrast term on the left... more

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Math Help For College

03/25/18

An architect plans to design a desk that has a height 15 feet longer than the width. If the desk has a perimeter of 182, what is its demensions

There are no additttional comments

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Math Help For College Graphs Math Help Math Question

03/20/18

at one stage in a factory's candy production, cocoa is mixed with sugar. For every 20 pounds of cocoa, 13 pounds of sugar are needed.

a. Describe a function that arises from this situation. b. Make a table and draw the graph of your function. c. Find an equation for your function, and explain why your equation is valid.

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Math Help For College Math Mathematics Math Answers

03/20/18

in the country of Taxo, each household pays taxes on its annual household income as determined by the following:

In the country of Taxo, each household pays taxes on its annual household income as determined by the following: a. A household with income between $0 and $20,000 pays no tax. b. For each $1 of... more

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Math Help For College

03/20/18

If two fair dice are rolled, find the probability that the sum of the dice is 9, given that the sum is greater than 6.

I do not understand how to come up with this answer. I am doing something wrong somewhere.

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Math Help For College

03/20/18

solve A=P sqrd(1+R) for r

need to find r i know its r= a2-p2/p2 but i dont know the steps

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Math Help For College Math Help Statistics Question

03/17/18

Given r^2 and SST, Find SSE(need help today)

given r2=0.0798 and sst=769.54, compute sse

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Math Help For College Math Word Problem

03/15/18

don't understand it

Bonnie and Claire are each to inherit some money from their Aunt Marry's estate. Aunt Marry left them a total of 21,000. Her will states that Bonnie is to receive $3,000 less than twice what Claire... more

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Math Help For College

03/11/18

Gracee interest. What was the duration of Grace’s investment?

Grace had a maturity value of $6,682.50 on an original investment of $6,000. She earned 6.5% annual simple interest. What was the duration of Grace’s investment? I need help with this problem.

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Math Help For College Scientific Notation Math Problem

03/08/18

scientific notation

Convert each number to scientific notation and multiply. Write your answer in scientific notation.(72,000,000)(400,000,000) Write 72,000.000 in scientific notation.72,000,000= Write 400,000,000... more

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Math Help For College

03/03/18

how do i find out if whether or not the statement “i drove at a speed of 35 miles per hour for the entire trip” makes sense?

this is a math related question, working with units and conversions

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Math Help For College

03/01/18

The length of rectangular garden is 2 feet longer than the width. If the area of the garden is 48 square feet, find the length and width of the garden.

Show Intro/InstructionsThe length of rectangular garden is 2 feet longer than the width. If the area of the garden is 48 square feet, find the length and width of the garden. The length is... more

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An airplane flies 4032 miles into the wind for 14 hours. The return trip takes 9 hours. Find the speed of the airplane without a wind and the speed of the wind.

One earthquake has a Richter scale reading of 6.8. Another is one-thousandth as strong. What is its Richter scale reading?

Pythagorean Identity!

License plates are made using 2 letters followed by 2 digits. How many plates can be made if repetition of letters and digits is allowed?

what is the answer to this math question k=3r-7s

Put the equation into standard form and identify the vertex, focus and directrix.

From 1842 to 1902 they eroded by about 69 meters. What was the rate of erosion along the falls?From 1907 to 1927 the falls eroded by about 14 meters.

If 2 sweaters cost $28.50, how much would 9 sweaters cost?

One integer is 8​ times another. If the product of the two integers is 128, then find the integers. 2 Sets of answers

An object is projected directly upward from the ground. Its distance in feet from the ground in t seconds is s equals 96 t minus 16 t squared . A small circle

A room is 1.5 times as long as it is wide, and its perimeter is 35 meters.

Using the the compound

Simplify this expression:

Math word problem please help

An architect plans to design a desk that has a height 15 feet longer than the width. If the desk has a perimeter of 182, what is its demensions

at one stage in a factory's candy production, cocoa is mixed with sugar. For every 20 pounds of cocoa, 13 pounds of sugar are needed.

in the country of Taxo, each household pays taxes on its annual household income as determined by the following:

If two fair dice are​ rolled, find the probability that the sum of the dice is 9​, given that the sum is greater than 6.

solve A=P sqrd(1+R) for r

Given r^2 and SST, Find SSE(need help today)

don't understand it

Gracee interest. What was the duration of Grace’s investment?

scientific notation

how do i find out if whether or not the statement “i drove at a speed of 35 miles per hour for the entire trip” makes sense?

The length of rectangular garden is 2 feet longer than the width. If the area of the garden is 48 square feet, find the length and width of the garden.

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One integer is 8 times another. If the product of the two integers is 128, then find the integers. 2 Sets of answers

If two fair dice are rolled, find the probability that the sum of the dice is 9, given that the sum is greater than 6.