01/09/19

Strawberries cost $2.50 a pound and kiwi cost $4.50 a pound. Marcy buys a total of ten pounds of strawberries and kiwis for $30. How many pounds of kiwi did she buy?
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01/09/19

7th grade math help
A board 125 inches long is to be cut into two parts so that one part is 4 inches less than twice as long as the other part. Find the link that each part.
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01/07/19

Graph the solution set of the system of inequalities or indicate that the system has no solution
Graph the solution set of the system of inequalities or indicate that the system has no solution2x+y<8
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01/06/19

Question below! Please help with linear equations.
Kareem is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges $92 and allows unlimited mileage. Company B has an... more
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01/05/19

In , AB = 24 cm and BC = 10 cm. BD is perpendicular to AC. Find the ratio of the shaded area to the unshaded area.
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01/03/19

Do the events surrounding the Election of 2000 justify changes to the Electoral College? Explain why you think it does or why you think it does not with at least three reasons.
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12/19/18

You are a researcher studying the lifespan of a certain species of bacteria. (Thanks for the help!)
A preliminary sample of 30 bacteria reveals a sample mean of ¯ x = 70 hours with a standard deviation of s = 4.6 hours. You would like to estimate the mean lifespan for this species of... more
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12/19/18

You measure 29 backpacks' weights, and find they have a mean weight of 43 ounces. Assume the population standard deviation is 4 ounces.
Based on this, what is the maximal margin of error associated with a 99% confidence interval for the true population mean backpack weight.± ____________ ounces
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12/19/18

You measure 29 backpacks' weights, and find they have a mean weight of 43 ounces. Assume the population standard deviation is 4 ounces.
Based on this, what is the maximal margin of error associated with a 99% confidence interval for the true population mean backpack weight.± ____________ ounces
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12/17/18

Sam and Tom share £54 in the ratio 5:4 work out how much each person got

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12/16/18

when driving to their family reunion, river's mom drove 10 miles at a rate of x mph and then 25 miles at a rate of x+10

when driving to their family reunion, river's mom drove 10 miles at a rate of x mph and then 25 miles at a rate of x+10 mph. the total driving time was 45 minutes. what were the two driving speeds... more
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12/16/18

I struggle on venn dirgarams. Answer this?
A  teacher  surveys  her  class  of  25  students.  She  finds  that  13  students  have  a  sister,   15  students  have  a  brother,   and  8  students  have  both  a  sister  and  a  brother. ... more
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12/16/18

Pick the correct description of the line 2x-4y=6
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12/14/18

Given segment AB with points (-4,8) and (6,3) respectively. Find the coordinates of point P that partitions Segment AB in the ratio 3:2
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12/14/18

Read 45 pages of your notebook in two hours how many pages can you read in three hour.
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12/14/18

how do i : graph the line with slope -2 passing through the point (-1,5)
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12/14/18

team scored 3 touchdowns.the visiting team scored 4 field goals.which team scored more points? show your strategy.
The home team scored 3 touchdowns.the visiting team scored 4 field goals.which team scored more points? show your strategy.
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12/14/18

An equestion that is parallel to y=0.6x+3 and passes through (-3,-5)
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12/14/18

Jack is buying his neighbor’s plot of land. Jack owns 23 acres. The land he is buying is 15 acres. How many acres will Jack have after buying the new land?
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12/13/18

Two fifths of the seventh graders at a school are going on a trip with 40 chaperones. A total of 320 people are going on the trip. What equation could use to see how many seventh graders attend m.s.?
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12/13/18

The height of a box is 6 inches. It’s length is 4 inches more than it’s width. Find the length if the volume is 126
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12/13/18

Ratios and word problems
The ratio of Jet Ski rentals to boat rentals at a store is 7 : 2. If the number of boat rentals doubles and the number of Jet Ski rentals stays the same, then the number of boat rentals is how many... more
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12/13/18

Ratio Word Problem Please Explain
You mix 7 tablespoons of vinegar for every 4 tablespoons of baking soda to produce a chemical reaction. You use 15 tablespoons of baking soda. How much vinegar do you use?
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12/13/18

Mr Wong cuts a coil of wire into two pieces in the ratio 3:4. If the length of the longer piece of wire is 32 cm, what is the total length of the wire?
This Question is given from math workbook 5A in class 5
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12/13/18

All real numbers that are less than or equal to -18? Rewrite in interval notation.

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