8,765 Answered Questions for the topic Other

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12/13/17

How long does it take for a one-kilometre-long train going at 60km per hour to go through an eight kilometre long tunnel? Give your answer in minutes
Why is the answer (8km+1km)/60km x 60minute ? Why not  8km/60km x 60minute? Where does the extra 1 km come from?
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12/13/17

How many gallons of 25 25 % alcohol solution and 40 40 % alcohol solution must be mixed to get 9 9 gallons of 30 30 % alcohol solution?
none 
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12/12/17

The sum of a number times 8 and 29 is at most 22
Translate the sentence into an inequality.
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12/12/17

Line r has a slope of 7. Line s is parallel to line r. What is the slope of line s?
how do you find the slope of a parrallel line and when given the slope?
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12/12/17

What do you think is most important event in the history of space exploration? Why do you think this
Nsjsksjama jaw ska sksnskkww kdms SMS skama s skims ska  
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12/12/17

Can someone help me solve this. PLEASE!
A principal of $3900 was invested at 3.25% intrest, compounded annually. Let t be the number of years since the start of the investment. Let y be the value of the investment, in dollars. write a... more
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12/12/17

Find the solution for: 3x+y=20 and x-2y=8
This question is hard for me i am an 9th grader
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12/12/17

A computer can be connected wirelessly to the internet if it has: a) Hard Disk b) Wi Fi c) Both hard disk and Wi Fi Please tell me which one is correct
I WANT TO KNOW WHETHER COMPUTER CAN BE CONNECTED TO THE INTERNET IF THERE IS NO HARD DISK 
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12/12/17

First, we need to give Eugene Krabs's puppies a bath; second, we will dress them up in tiny sweaters.
semicolon or colon
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12/12/17

a person buys 2 flower pots and 4 large pots they spend 18 dollars another person buys 6 small pot and 4 large ones they spend 31
 how much does a small pot cost and how much does a large one cost
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12/11/17

Ernesto and his friend stop for pizza after baseball practice. The cost of pizza and sodas is $14.00, but they must also pay $1.12 in sales tax. What is the pe
Its a tenmarks question and i have to get it right, my final grade for my math test depends on this.
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12/11/17

Use the given volume of a box and its length and width to express the height of the box algebraically.
Use the given volume of a box and its length and width to express the height of the box algebraically. (Simplify your answer completely.)Volume is 10x3 + 87x2 + 44x − 96, length is 5x − 4, width is... more
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12/11/17

4√12 what is the answer to this questions?
so can you guys help me pls??
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12/11/17

Manuel runs each lap in 8 minutes. He will run at least 56 minutes today. What are the possible numbers of laps he will run today?
Use n for the number of laps he will run today.Write your answer as an inequality solved for n.
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12/11/17

A salsperson recieves a 2.5% commision on sales. What commision does the salperson recieve for 8,000 in slaes
A salesperson recieves a 2.5% commision on sales. What commision does the salseperson recieve for $8,000 in sales.
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12/11/17

Josh will run at least 37 miles this week. So far, he has run 22 miles. What are the possible numbers of additional miles he will run?
Use t for the number of additional miles he will run. Write your answer as an inequality solved for t.
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12/11/17

Determine whether if lines are parallel or perpendicular
y+8=-6x, -2x+y=5
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12/11/17

A={b,c} how many subsets including the empty set does A have
pls just answer my question. i don’t have any additional things to add about this question. 
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12/11/17

Manuel wants to earn at least $26 trimming trees. He charges $6 per hour and pays $4 in equipment fees. What are the possible numbers of hours Manuel coul
Manuel wants to earn at least $26 trimming trees. He charges $6 per hour and pays $4 in equipment fees. What are the possible numbers of hours Manuel could trim trees?Use t for the number of... more
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12/11/17

Cos (square by) + 3 sinx=-1
Solve the equation in interval [0,2by) 
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12/11/17

The length and width of a rectangle are 8cm and 5cm, each measured to the nearest centimetre. What is the upper and lower bounds of the length of the rectangle
The length and width of a rectangle are 8cm and 5cm, to the nearest cm. what is the upper and lower bounds of the length of the rectangle 
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12/11/17

you invest an initial 1000 in an account that has an annual interest rate of 2%, compunded quarterly. how much money will ou have in the account after 5 years
A. 1023 B. 1094 C.1105 D.1245
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12/11/17

a mail truck picks up 2 boxes of mail from the post office. the total weight is 32 pounds. one box is 8 pounds heavier than the other box. how much does each bo
Problem Solving/Decimal Operations
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12/11/17

prove that r= root x^2+y^2 is the shortest distance from the point (x,y,z) to the z axis
we have to prove r= root x^2 +y^2  is the shortest distance from the point (x,y,z)  to the z axis  
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12/11/17

Find the area of a quadrilateral ABCD whose vertices are A(1, 1), B(7, –3), C(12, 2) and D(7, 21)
plz give me answer of this question plz plz plz plz plz plz plz 
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