12/18/16

Lana sold 35 necklaces a week at $15 each. 6 customers returned their necklaces for a full refund due to defective clasps. How much did Lana make
Last month had 4 weeks
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12/18/16

Simple Probability problem
A box contains papers numbered 1 to 8. Two slips are drawn, one after the other without replacement. a) What is the probability that both numbers are even? (and for my sake why) b) The first number... more
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12/18/16

If sides kj= 2.7 feet and LM=1.8 feet what is the length of nm
This is a trigonometry question its really confusing me and I need help solving it  The figure is a square nd its a point in the middle which is j and then you have sides kl,lm,nm,and kn 
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12/18/16

Which equation describes the line that passes through the point (5,1) and is perpendicular to the line 5x-4y=4
Will someone teach me how to solve problems  this and this one? I need to know asap how to solve perpendicular and Parallel I totally forgot thanks! 
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12/18/16

Veronica is choosing between two health clubs.club a is 23.25 and club b is 17.75 After how many months will the total cost for each health club be the​ same?
thats  it 
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12/18/16

does the altitude of a triangle intersect the inside of a triangle?
does the altitude of a triangle intersect the inside of a triangle?
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12/18/16

solve the equation
4^-2p=4^3p
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12/18/16

The Question is
If eight people share equally in an inheritance, what percent of the inheritance belongs to three people? What percent belongs to them if two of the people are disinherited? By what percent does... more
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12/17/16

Find the IQR for the smolt data.
Smolts are young salmon at a stage when their skin becomes covered with silvery scales and they start to migrate from freshwater to the sea. The reflectance of a light shined on a smolt's skin is a... more
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12/17/16

solve the equation
4y+2+y=2(2y+3)
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12/17/16

Find the equation of the line that is perpendicular to 2y =−3x and passing through(12​,- 3​). Express your answer in standard form
Equation of the line
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12/16/16

How to find the IQR
I'm trying to help my daughter with her math and I don't understand.    The double plot shows the daily attendance for 2 fitness clubs for 1 month  
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12/16/16

Level of significance
it is claimed that the % of people who will vote for candidate A is 48%. Suppose in a random sample of 410 registered voters 194 said they would vote for candidate A. With a level of significance... more
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12/16/16

Factor this expression far as possible
factor -81y as far as possible please.
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12/16/16

Can't figure it out plz help
The width of a rectangle is 13 m less than its length. The area of the rectangle is 48 m2. Find the dimensions of the rectangle
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12/16/16

Juan has n nickels and q quarters in his pocket. The total value of the coins is less than $14.75. Which inequality models this situation?
 Algebra 1 Story problems
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12/16/16

Linear method by substitution method
X-3y=-2 2x+5y=7  
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12/16/16

Abs. Max/min on a guven interval
f(x)= (x^2)/(x^2+1) [ 1,2]    Its saying that the abs min is (2,4/5) and max is (1,1/2) . I dont understand isnt it supposed to be the opposite. Shouldnt the max be (2, 4/5) ? Isnt 0.8 bigger... more
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12/16/16

HELP, QUESTION IN THE DESCRIPTION
You are a small business owner who sells baked goods. The baker is selling 50 loafs of bread at a cost of $0.65 a loaf. He estimates that if he increases his bread $0.05, then he will sell two(2)... more
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12/16/16

THE QUESTION IS IN TUE DESCRIPTION! HELP!
You are a business owner. You would like to know how many tickets you need to sell for a show to make a profit. Currently you are selling each ticket for $5.00, but for every $0.50 increase in the... more
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12/16/16

alex is twice as old as Marty. Gloria is three years older than Marty. Alex is 4 years older than Gloria. What are their ages?
Its solving systems of equations with 3 variables.
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12/15/16

A store purchases baskets of apples from a local farmer for $3.00 per basket. The baskets are labeled $4.95. What percent did she mark up the apples
I don't understand how to set up the problem and answer. Please help
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12/15/16

Confidence Intervals
In a Harris Poll of 412 HR professionals, 85.3% said that the job applicants appearance is most important for a good impression. Construct a 94% Confidence Interval for the True population... more
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12/15/16

Discrete probability distributions
If you select a red diamond picture card (i,e.) a card that doesn't have a number on it) you win $100. It costs $10 to play this game. What is your expected earnings? if you played this game 10,000... more
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12/15/16

Algebra Question
A jogger runs a park which is 10 miles away. She then jogs home at the same speed but used a route that was 15 miles away. Her time for the return trip was one hour longer. Find her jogging speed
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