Questions Answered

kbbbb:
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3.Ellen works for a highspeed rail company that wants to develop a new rail line. Ellen’s project is to find a train that is the second fas…
 updated 11 months ago
 2 replies
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kbbbb:
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Can someone help me pleaseeee?
 updated 11 months ago
 1 reply
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kbbbb:
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A trailer is rented at $30 per day plus a charge per mile of use. The trailer traveled 25 miles in one day and the total charge was $130. Wh…
 updated one year ago
 16 replies
 1 Medal

kbbbb:
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Kylie borrowed a book from a library. The library charged a fixed rental for the book and a late fee for every day the book was overdue. The…
 updated one year ago
 8 replies
 1 Medal

kbbbb:
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Help!
Simplify the following expression.
2x  6y + 3x2 + 7y  14x.
…
 updated one year ago
 7 replies
 2 Medals

char_phan_zhang:
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3 <= 3x/4 <5
 updated one year ago
 3 replies
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megen505:
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Assume f(x) = 2x + 8 and g(x) = 3x. What is the value of (g o f)(3)?
6
…
 updated one year ago
 17 replies
 2 Medals

kbbbb:
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HELP PLEASE!
Sharon wants to make a graph to show the relationship between the number of tickets sold and the price of tickets sold. She p…
 updated one year ago
 7 replies
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kbbbb:
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Help!
Which of the following is the most appropriate unit to describe the rate at which water flows over Niagara Falls?
Day per billion ga…
 updated one year ago
 3 replies
 1 Medal

kbbbb:
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Please help me!
Charles wants to determine which car is the fastest. The actual speed of four cars is shown below.
…
 updated one year ago
 8 replies
 1 Medal

kbbbb:
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PLEASE HELP!!
…
 updated one year ago
 12 replies
 2 Medals

kbbbb:
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Please help!!
A car repair shop charged $80 per hour for labor and $210 for the parts of a car. If the total cost of repair for the car w…
 updated one year ago
 5 replies
 1 Medal

kbbbb:
Group Title
Jake cut out 3 small circles and 5 big circles from a piece of cardboard. The radius of each small circle was x inches and the radius of eac…
 updated one year ago
 5 replies
 1 Medal

kbbbb:
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Evaluate: 6  (1)
7
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 updated one year ago
 8 replies
 2 Medals

kbbbb:
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Evaluate: 32 + (7  2) • 4 
24
…
 updated one year ago
 8 replies
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kbbbb:
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Solve 3c + 4 = 20.
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 updated one year ago
 18 replies
 1 Medal

kbbbb:
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Name the algebraic property demonstrated in the example below:
2 + x + y = x + 2 + y
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 updated one year ago
 1 reply
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kbbbb:
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Solve for x: 1 over 4 (2x − 14) = 4
15
…
 updated one year ago
 5 replies
 1 Medal

kbbbb:
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Solve 4y  y + 11 = 38.
9
…
 updated one year ago
 15 replies
 2 Medals

kbbbb:
Group Title
Can someone help, I don't get this..
Name the algebraic property demonstrated in the example below:
x • y • z = y • x • z
…
 updated one year ago
 2 replies
 1 Medal

kbbbb:
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Solve for x: = 7
x = 3
…
 updated one year ago
 9 replies
 1 Medal

kbbbb:
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Solve + 5 = 15.
80
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 updated one year ago
 12 replies
 2 Medals

kbbbb:
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Can someone help me?
Simplify the following expression:
…
 updated one year ago
 1 reply
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kbbbb:
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Has anyone read the short story "The Cold Equations"?????
 updated one year ago
 39 replies
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kbbbb:
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Can someone help me through this?
A bulldozer is rented at $800 per day plus a charge per hour of use. The bulldozer was used for 5 hours…
 updated one year ago
 2 replies
 1 Medal

kbbbb:
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Can someone help me work through this problem?
Jessica is baking a cake. The recipe says that she has to mix 96 grams of sugar to the flo…
 updated one year ago
 13 replies
 2 Medals

kbbbb:
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A barrel had 20 liters of water. Water leaked out from the barrel at a constant rate. After 24 hours, 14 liters of water was left in the tan…
 updated one year ago
 12 replies
 2 Medals

kbbbb:
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Ruth borrowed a book from a library. The library charged a fixed rental for the book and a late fee for every day the book was overdue. The …
 updated one year ago
 3 replies
 3 Medals

kbbbb:
Group Title
Jake cut out 3 small circles and 5 big circles from a piece of cardboard. The radius of each small circle was x inches and the radius of eac…
 updated one year ago
 2 replies
 1 Medal

kbbbb:
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x • x • x • x = ?
4x
…
 updated one year ago
 2 replies
 1 Medal
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