11/12/20

Math Probability

If a bag contains 4 twix, 5 snickers and 8 milky way...Select one candy bar, observe the outcome, replace it and select another one. Calculate the probability of choosing two twix??
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11/12/20

Find the probability of drawing a Diamond card on the first draw, replacing it and drawing a face card on the second draw.
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11/11/20

A Third Option?
The college student who is looking for a data plan for her cell phone found a third option, which also offers a 2 gigabyte monthly allowance for data. The monthly cost of this option can be... more
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11/11/20

Find the sprinter's linear momentum (in kg · m/s). (Enter the magnitude.)
A sprinter with a mass of 83 kg reaches a speed of 9 m/s during a race. Find the sprinter's linear momentum (in kg · m/s). (Enter the magnitude.)
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11/11/20

What is its speed (in m/s)?
A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one direction and the gun sliding on the ice in the other direction. The bullet's mass is 0.04 kg, and... more
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11/10/20

algebra i dont understand
If g(x) = 3x-1 and if g(a) = 7, then which of the following is the value of a
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11/10/20

Algebra Help Question
The sum of 3 times a number and -7 added to 8 times a the number. What is the algebraic expression?
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11/09/20

Statistics Question Help
33% of all pets sold at a pet store are dogs. One day, 9 people arrive at the store and purchase pets. (Note: One pet is purchased per person.) (a) What is the probability that exactly 3 of them... more
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11/09/20

The question is in the description. Thank you!
Car company A charges $.29/mile and an $17 flat fee. Car company B charges $.39/mile and has a $8 flat fee. Write a function that shows the cost of renting from company A. Write a function that... more
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11/08/20

Please help. Topic: Criterias
Given the system below, create an equivalent system and solve both to prove they result in the same solution.       -x+4y=17 3x-5y= -30
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11/08/20

An object is thrown into the air has height given by h(t)= -16t^2 + 64t + 60feet, t seconds after it is thrown.

An object is thrown into the air has height given by h(t)= -16t^2 + 64t + 60feet, t seconds after it is thrown. The object reaches the highest point _____ seconds after it is thrown At that time... more
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11/08/20

How many moles of iron(III) oxide is required to produce 26.4mol of iron? 2Fe2O3 +3C 4Fe+3CO2
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11/08/20

Probability question
A and B are two weak students of statistics and their chances of solving a problem in statistics correctly are 1/6 and 1/8 respectively. If the probability of their making a common error is 1/525... more
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11/07/20

Proportion question
Approximately 20% of cars in the United States are white. You take a simple random sample of 170 cars on Etown's campus and find that 37 are white. What is the proportion p̂ of white cars on... more
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11/03/20

Parallel and Perpendicular Lines Algebra
Write the slope-intercept form of an equation of the line that passes through the given point and is parallel to the line of the equation shown. (1,1) -3x+y=2
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10/28/20

What is the equation in slope-intercept form of the line that passes through the point(5,0) and is parallel to the line represented by y = 1.2 x + 3.8?
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10/22/20

Line g passes through points (3, 18) and (8, 10). Line h is parallel to line g. What is the slope of line h?
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10/21/20

Find the RADIUS of the circle if the radius is (5x + 3) and the diameter of the circle is (18x - 10).
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10/15/20

Systems of Linear Equations and Their Solutions

Mai is given these two systems of linear equations to solve:She analyzed them for a moment, and then—without graphing the equations—said, "I got it! One of the systems has no solution and the other... more
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10/14/20

A parabola opening up or down has vertex (0,0) and passes through (6,–3). Write its equation in vertex form.
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10/14/20

Predict the products of the following reactions and balance the equations.
a) Double Replacement:   ____ BaI2 + ____ Al2(SO4)3 🡪 __________________ + __________________  b) Combustion:   ____ C6H14 + ____ O2 🡪 __________________ + __________________  c) Single... more
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10/11/20

Probability, studies
The probability that Jon studies and passes his math test is 13/16. If the probability that Jon studies is 19/20, find the probability that Jon passes his test, given that he has studied
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10/10/20

What's the theoretical frequency for this assignment? any help is appreciated!
I mainly just need need help finding the theoretical frequency for the sums on two dice (see the table below). Thanks for helping!Instructions: Pretend the two dice are different colors. This gives... more
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10/09/20

how to write a polynomial function of least degree with integral coefficients that has the given zeros.
The zeros are 3i, 2i, and 1.
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10/09/20

Enter the first 5 terms of the sequence. f(1) = 45 and f(n) = f(n − 1) − 8 for each whole number n greater than 1. The first 5 terms are , , , , and .
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