01/10/19

Basic Algebra question

Melissa made and sold a total of 100 pizzas that were either cheese or pepperoni. The cheese pizza sold for $9 and the pepperoni were $2 more per pizza. If the total receipts for $1,026, how many... more
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01/10/19

Algebra word problem

At a local fitness center, members pay a $10 membership fee and $5 for each aerobic class. Nonmembers pay $6 for each aerobics class. For what number of aerobics classes will the cost for members... more
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01/09/19

If n represents a number, then write an expression for three times the difference of the number and six increased by four times the number.
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01/09/19

Express each ratio as a fraction in its simplest form: 8 dm to 3.2m
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01/09/19

$500 principal earning 4% compounded quarterly, after 6 years. What is the balance in the account?

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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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