02/07/18

bacteria grows at a rate of 51% per day. dog infected w/2800 bacterium when her leg cut how many bacterium will be in 14 days when take the dog to the vet
A particular type of bacteria grows at a rate of 51 % per day. If my dog got infected with 2800 bacterium when her leg was cut by barbed wire, how many bacteria will be present in 14 days when I... more
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02/07/18

Brian has $88 in his savings account . If he saves $3.50 per week , how long will it take him to save $200 in his account
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02/07/18

in 2011 earnings of a man increased by 10%. in 2012 his earning fell 15%. in 2013 he earned £21 131.how much did he earn in 2011?
i don't understand 
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02/07/18

systems of equations
ophie and Elizabeth go to the movie theater and purchase refreshments for their friends.Sophie spends a total of $72.50 on 5 drinks and 5 bags of popcorn.Elizabeth spends a total of $163.50 on 15... more
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02/06/18

Mrs. Crandall spent 42$ on window shades that were on sal
Mrs. Crandall spent 42$ on window shades that were on sale for a certain percent discount. The original price of the shades was 70$ . What percent was the discount ?
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02/06/18

A number increased by 7.9 is 8.3
It is homework 
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02/06/18

what is 12 times 9 2/5
what is the answer and how do i solve it
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02/06/18

brian has $88 in his savings account. If he saves $3.50 per week, how long will it take him to save $200 in his account?
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02/06/18

Fraction problems
A theme park makes £300 profit every day. If 1/3 of the profit comes from entry fees, 1/6 comes from selling food and 2/5 comes from selling gifts  how much money is made from everything else  each... more
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02/06/18

help me please
  Find the length s of the arc of a circle of radius 48 centimeters subtended by the central angle one eighth radian1/8 radian.
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02/06/18

applications with proportions and percents
A 6-ounce bag of rice noodles makes 7 servings, At that rate, find how many ounces of noodles are needed for 16 servings, to the nearest ounce.
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02/06/18

A glass is 1/4 full. Then 24cm3 of orange juice is poured in. The glass is now 2 5 full. What is the total volume of the glass?
HELPPPPPPPPPPPPP :A glass is 1/4 full. Then 24cm3 of orange juice is poured in. The glass is now 2/5 full. What is the total volume of the glass?
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02/06/18

A photographer wants to mix 2 liters of a 9% acetic acid solution with a 16% solution to get a 13% solution. How many liters of 16% solution must be added?
I need help soling this question
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02/06/18

I need help with this unit conversion word problem
I understand how to do unit conversions, but I can't figure out how to do this one word problem. I've written it out multiple times and I keep getting stuck. If someone could explain how to do it I... more
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02/06/18

Write a function in terms of tt that represents the situation. Sales of $10,000 increase by 65% each year.
no idea how to do this
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02/06/18

Math word problem (see more in description)
 Shelly and her mom we're going shopping downtown. They parked the car in front of a parking meter that takes a quarter for each half hour. Shelly and her mom plan to shop from 1 PM to 3:30 PM. How... more
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02/06/18

if you purchase 2 snacks a day everyday of the week for an average of 1.75 what is daily cost
i also need the weekly cost, the monthly cost, the yearly cost and the cost over 4 years
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02/06/18

In a bag of coins 1/3 are quarters, 2/5 are dimes, and 3 times the difference of quarters and the dimes are nickels, and the four remaining coins are pennies.
Help me find out what the value of the coins is please.
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02/06/18

write in index form and simplify
x 4√x     the 4 is mini and slightly ontop of the v in the root sign. 
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02/05/18

A new sidewalk will be 5 feet wide, 300 feet long, and filled to a depth of 3 inches (0.25 foot) with concrete. How many cubic yards of concrete are needed?
A new sidewalk will be 5 feet wide, 300 feet long, and filled to a depth of 3 inches (0.25 foot) with concrete. How many cubic yards of concrete are needed?
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02/05/18

The measure of an angle is fourteen times the measure of a supplementary angle.What is the measure of esch angle?
Finding the measures of complementary , supplementary, vertical and adjacent angles
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02/05/18

I️ don’t know how to do this
H(a)=a2+5a; find h(8)
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02/05/18

Quadtratic equations. 2.6
The cost function for a certain company isC = 50x + 400and the revenue is given byR = 100x − 0.5x2.Recall that profit is revenue minus cost. Set up a quadratic equation and find two values of x... more
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02/05/18

What is the answer to (8,-4), slope =1/2?
Have math hw and I really don’t understand it, I’m trying my best on this 
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02/05/18

In a certain​ year, out-of-pocket expenses for an elderly person in poor health were ​$3365
In a certain year, out-of-pocket expenses for an elderly person in poor health were $3365 more than for an elderly person in good health. Combined out-of-pocket expenses for one person in poor... more
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