04/06/17

Calculus Help
The cost of producing q items is C(q) = 1800 + 15q dollars. (Include units) a. What is the marginal cost of producing the 100th item? b. What is the average cost of producing the 100 items?
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04/06/17

Word Problem
The length of a rectangular ballroom is 7 feet longer than twice the width. If the room's perimeter is 182 feet, what are the ballrooms dimensions?
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04/05/17

It takes Molly eight hours to tar a roof. John can tar the same roof in 15 hours.
How long would it take them if they worked together? (Also I need to know how to do it so plz help)
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04/05/17

When three times a number is decreased by five the square root of the result is 7. Find the number
I need help on this word problems for my test so please answer asap thank you all for trying 
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04/05/17

high school algebra
1. Put in a+bi form 28+π-1200 2. Put in a+BI form Zsub1 - 32subZ 3. Define what is congruent to y=-0.7x^2 Vertex(-7,-6) opens down 4. Find absolute value /2x-3/ =3 for x (I used slash marks because... more
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04/05/17

Which of the following does the situation below best describes?
Which of the following does the situation below best describes? ~the enrollment at a high school does not change for 3 years in a row. A.the domain of a function b.a relation that is not a function... more
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04/04/17

There is a sector with radius 1.5 cm and the sector's arc length is 's'. Express the area of the sector as a function of the arclength, 's'.
I'm not totally sure how to solve this, but do you use the formula A=1/2*r^2*theta? And, if so, how would you incorporate it here because I think 'r' means radius and so I get stuck at... more
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04/04/17

The sector of an image has an area of 30 cm^2, and the length of the arc is s=7 cm. Determine the angle, theta, in radians.
Also, given the area of a sector, A, and the length or the arc of the sector, s, determine the general formula for the angle in radians as a function of A and s.   This is one of a few extra... more
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04/04/17

Three consecutive integers are such that three times the smallest is 12 more than the largest. What are the integers?
You have to find the integers using the help that 3 times the smallest integer is 12 more than the largest. 
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04/03/17

Ed added 32 inches to 1/8 of Nancy's height. Steve doubled Nancy's height and then subtracted 88 inches. If Steve and Ed ended up with the same numbers,
Ed added 32 inches to 1/8 of Nancy's height. Steve doubled Nancy's height and then subtracted 88 inches. If Steve and Ed ended up with the same numbers, how tall is Nancy?
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04/03/17

Suppose that $2000 is invested at a rate of 4%, compounded semiannually. Assuming that no withdrawals are made, find the total amount after 7 years.
Do not round any intermediate computations, and round your answer to the nearest cent.
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04/02/17

I am having trouble setting this up.
Amy decided to clean out her purse and found a total of 22 coins at the bottom in Nickels, Dimes and Quarters. The total value of the coins came to $2.50. Of the number of Nickels was triple the... more
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04/02/17

claire and anna were both saving for airline tickets to Washington D.C. Claire was $95 short of the amount she needed and anna was $83
claire and anna were both saving for airline tickets to Washington D.C. Claire was $95 short of the amount she needed and anna was $83 short of the amount she needed. if they combined their money,... more
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04/02/17

ichards runs a Llama headband business. his monthly expenses are $2 per headband, plus $1200 in bills. he earns $18 per headband.
Richards runs a Llama headband business. his monthly expenses are $2 per headband, plus $1200 in bills. he earns $18 per headband.  How many headbands will he need to sell in a month to make a... more
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04/02/17

claire and anna were both saving for airline tickets to Washington D.C. Claire was $95 short of the amount she needed and anna was $83
claire and anna were both saving for airline tickets to Washington D.C. Claire was $95 short of the amount she needed and anna was $83 short of the amount she needed. if they combined their money,... more
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04/02/17

a pile of coins consists of quarters and dimes. If the value of the pile is $15.05, how many dimes are there
a pile of coins consists of quarters and dimes. If the value of the pile is $15.05, how many dimes are there
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04/02/17

derivative quiz
find where (what are the coordinates) the tangent line to the graph of f(x)=(x+1)/(x-1) is parallel to the line whose equation is 2y+x=6
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04/02/17

a sequence is defined using the rule a (sub n) = 3a (sub n-1) + n.
Find the value of a (sub 4) - a (sub 3). I am expected to show my work.
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04/02/17

find a non-recursive formula for the nth term of this geometric sequence:
8, 8/3, 8/9, 8,27, 8/81,...  
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04/02/17

a line segment is broken into foive sections that form a geometric sequnce.
the smallest section is 16 inches and the largest section is 81 inches.  I have to answer and show or explain how I arrived at the following: a) that is the common ratio between the five... more
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04/02/17

I need help
a motorboat can maintain a constant speed of 41 miles per hour relative to wate. The boat makes a trip upstream to a certain point in 42 minute; the return trip takes 40 minute. What is the speed... more
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04/02/17

in a geometric sequence, the first term is -8 and the eighth term is 17, 496. determine the second term of this sequence.
I am expected to show how I arrived at your result.
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04/01/17

A bag contains 14 blue balls and 6 red balls. If 2 balls are drawn at random from the bag, with the first ball being replaced before the second ball is drawn, w
(a) the first ball is red and the second is blue (b) one ball is red and the other is blue
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04/01/17

An urn contains 6 red, 7 white, and 8 black balls. One ball is drawn from the urn, it is not replaced, and a second ball is drawn.
(b) What is the probability that one ball is white and one is red? (c) What is the probability that at least one ball is black?      
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04/01/17

i got a 95 in final grade 1 test let worth 15percent what would a 70 give me for a final
Igot a 95 in final grade 1 test let worth 15 percent what would a 70 on test  final grade would be?
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