12/28/19

Solve this Problem
sin(-x)/cos(x)Solve this problem.
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12/28/19

binomial distributions

Find the probability of no successes in six trials of a binomial experiment in which the probaiblity of success is 30%. Round to the nearest tenth of a percent
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12/24/19

Kyle’s bike wheel makes 20 revolutions every ten seconds and has a radius of 6.5 inches. How far will Kyle’s bike travel in 3 minutes?

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12/23/19

PROBABILITY MATH
A student can choose a computer project from one of the three lists. The three lists contain 23,15 and 19 possible projects, respectively. No project is on more than one list. How many possible... more
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12/22/19

If Point A is (-3,7) on coordinate grid If it reflected the point across the y axis and labled it B what is the coordinate for B
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12/21/19

Hey survey of 2000 doctor showed that an average of three out of five doctors use brand X aspirins. How many doctors use brand X aspirants
Word problemA survey of 2000 Dr. showed that an average of three out of five doctors use brand X aspirins. How many doctors use brand X aspirins? Solve for X
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12/21/19

Permutation and Combination (In how many ways possible?)
8 male and 5 female mathematics teachers applied for a teaching position. Only 6 teachers will be accepted. In how many ways can they be employed if 3 males are to be chosen?Choices:a.... more
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12/21/19

financial literacy

if you have a balance of $1,245.00 on your debit card, how long will it take you to pay off the balance if you make $50.00/ month payments until its paid off? The APR is 19%
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12/18/19

binomial distributions

Find the probability of exactly two successes five trials of a binomial experiment in which the probability of success is 50%. Round to the nearest tenth of a percent!
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12/17/19

If the ratio of girls to boys in a class is 4:3 and there are 9 boys in the class, How many students are in the class?
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12/17/19

word problem for precalculus
National Business Machines manufactures two models of portable printers: A and B. Each model A costs $100 to make, and each model B costs $160. The profits are $40 for each model A and $30 for each... more
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12/16/19

You can paint a room in 9 hours. If your friend helps​ you, it will take 4 hours to paint the room. How long would it take your friend to paint the room by​ himself?
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12/13/19

Three hens can lay three eggs in three days. In how many days can seven hens lay seven eggs?
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12/13/19

Solve sin x =√2/2 for 0 ≤ x < 2π (round to the nearest hundredth of a radian).

I received the answers π/4 (45 degrees) and 3π/4 (135 degrees). I have no idea what quadrant the two values would fall in. Solve sin x =√2/2 for 0 ≤ x < 2π (round to the nearest hundredth of a... more
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12/10/19

Estimate 306% of 25
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12/07/19

Find the distance between the point P (−2,0,3) and the plane π: 2x − 3y + z − 6 = 0.
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12/07/19

Calculus Question
Find two vector equations of the line L that passes through the points A(2,−3) and B(−1,2).
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12/07/19

How many days would it take?
David can finish a job in 7 days. Coby can finish the same job in 5 days. After working together for 2 days, Coby leaves. How many days will it take David to complete the job ?
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12/07/19

How much water should be added?
A 10-gallon alcohol-water solution contains 30% pure alcohol. How much water should be added to produce the solution to 20% alcohol ?
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12/07/19

How many sticks must he choose so that he is guaranteed a matching pair?
suppose sam has 12 black, 3 blue, 4 green, 2 yellow, 2 orange, 6 pink and 7 red chopsticks. how many sticks must he choose so that he is guaranteed a matching pair?
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12/06/19

The graph of y=|x|, shifted 8 units upward
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12/05/19

sally can paint a room in 6 hours while it takes steve 5 hours to paint the same room. how long would it take them to paint the room if they worked together?
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12/05/19

Can someone help me solve this linear programming problem?
A calculator company produces a scientific calculator and a graphing calculator. There is an expected demand of at least 60 scientific and 80 graphing calculators each day. Because of limitations... more
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12/05/19

Differential Equations

How do we solve the equation,(D^2 - 2D + 1)y = e^2x(cosh2x + cos2x)
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12/05/19

college precalculus question
in a single growing season at the Smith Family Orchard, the average yield per apple tree is 150 apples when the number of trees per acre is 100. For each additional tree over 100, the average yield... more
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