10/26/16

ms.lyssy is doing sand projects with her class there is 5/4 blue sand and 2 2/3 pink sand,how much sand will each person get
I t does not say how many students their are  
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10/26/16

The demand equation for a product is p=50-0.0005x, where p is the price per units sold
R=x how many units must be sold to produce a revenue of $250,000?
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10/25/16

Story problem
Local cell phone company offers two different calling plans.  In the first plan, you pay a monthly fee of %30 and $0.35 per minute.  In the second plan you pay monthly fee of $99 and $0.05 per... more
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10/25/16

Parabolas and rectangles
An arch has the shape of the parabola y = 11 − x2. A rectangle is fit under the arch by selecting a point (x, y) on the parabola.The parabola's vertex is at (0,11) and it is sloping down. The... more
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10/24/16

what property is x=1
 i need help asap
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10/23/16

Hayden cuts of 7 seconds off his time for every lap he runs around the track. At, noon the stopwatch reads 11:53 after he completes his fifth lap.
I need the rule and the first four terms in the sequence for this situation/problem.
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10/23/16

A boat that normally sells for $1080 is put on sale at 1 6 off the regular price. What is the amount of discount on the boat?
I would like to know the answer of this maths problem. I was told this needed to be 20 characters, so here goes.... 1.Dean 2.Sam 3.Fin I cannot think of more do not yell.
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10/22/16

5>0 2>5 0=0
 hint is -3 words
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10/22/16

Can't figure out why sign flips form plus to minus in algebra equation. Equation goes like this:
6=267a - 47b. We have figured out that b = (12 + 47a)/147. So we substitute: 6=267a - 47((12 + 47a)/147). We figure we can multiply both inside numbers by 47 and divide them by 147.... more
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10/20/16

Math question, please help!!
(1)a golfer's score of 2 under Par is represented by -2 on number line. How would a golfer's score of 2 over par best be represented?    +4 +2 0 -2       (2)Lake Eyre in Australia is... more
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10/18/16

Halloween Math Word Problems
 There are 13 witches, each has 7 sacks, in each sack are 7 cats, each cat has 7 kittens. How many legs?
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10/17/16

revenue and cost
A retail outlet sells 2000 pairs of pants a year. It costs $2 to store a pair of pantsper year. Each reorder costs $15, plus an additional $4 per pair of pants. How manytimes per year should the... more
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10/17/16

Measurement Statistics
You weighed your dog this morning on your bathroom scale. His weight was 15 lb. You decided to weigh him again in the evening, and his weight had increased to 20 lb. This is most likely what type... more
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10/17/16

Find the equation of two straight lines by given equation (using determinant method)
1) 6x2-15y2-xy+15+24y=0   (required answer must use the formula. (ax+f   hh (ax+ghax+hy+g)2 to find e equation!
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10/16/16

log (x3)+log (x4) / log(60x) = 5 x=
I can't seem to be able to put the answer on webworkk
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10/16/16

Help Please
A ball is thrown straight up, from 11 meters above the ground, with a velocity of 7 m/s. The equation below models the height of the ball:h = -4t^(2) + 7t +11a. Use the discriminant to determine... more
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10/11/16

Need help finding the Marginal Average Revenue Function
Find the Marginal Average Revenue Funaction ( which is equal to the diravative of the average revenue equation), given that the average revenue equation is 5-0.2x. Also for reference the original... more
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10/11/16

Part 1: In how many years will the two investments be worth the same amount?
This question has two parts. Alice invests $5000 at Bob's bank and $8000 at Charlie's bank. Bob compounds interest continuously at a nominal rate of 8%. Charlie compounds interest continuously at a... more
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10/10/16

Solve the equation
5x-2(x+4)(x+2)=3(2x+1)
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10/05/16

Math problem
Jen owns a small business that sells only two products. It takes Jen six and a half hours to make a knit scarf and ten hours to knit a pair of gloves. It took Jen 906 hours to knit a total of 120... more
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10/04/16

Enter the simplified equation that represents the total number of laps Beth and Sherry swam
Beth and Sherry partnered together in swimming laps to raise money for the local food bank. Beth raised $15 plus $0.65 per lap that she swam. Sherry raised $10 plus $0.75 per lap that she swam.... more
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10/04/16

HARD STATS BAYES THEOREM QUESTION NEED HELP TRYING TO MAKE SICK DAD PROUD
If A = your friend Mike is late for class, P (A | it is raining outside now) = 0.8, P (A | it is not raining outside now) = 0.1 P (it is raining outside now) = 0.3 (according to weather channel) P... more
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10/04/16

A laboratory worker finds that 3% of his blood samples test positive for the HIV virus.  In a random sample of 70 blood tests
The mean and standard deviation of a binomial
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10/04/16

The digit in the units place of a number is equal to the digit in the ten place of half of that number and the digit in the ten place of that number is
doubt for word problem expertThe digit in the units place of a number is equal to the digit in the ten place of half of that number and the digit in the ten place of that number is less than the... more
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10/04/16

A single die is rolled and the number of dots on top face is recorded.
A single die is rolled and the number of dots on top face is recorded. Let event A = an even number is recorded and event B= a number divisible by three is recorded. 1. Calculate the following... more
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