01/07/20

For each value of w, determine whether it is a solution to 32=24+w
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01/07/20

Write an equation for the following: 1. A square root graph with a locator point at (3,4) 2. An absolute value function shifted up 3 and vertically compressed
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01/07/20

2CH 3 OH(l)+3O 2 (g) 4H 2 O(l)+2CO 2 (g) 2CH2OH (302 ( ) - ( 1 ) ( ) \Delta H=-1452.8 kJ/mol. What is the value of \Delta H if (a) the bc equation is multi plied throughout by 2

Consider this reaction : 2CH 3 OH(l)+3O 2 (g) 4H 2 O(l)+2CO 2 (g) 2CH2OH (302 ( ) - ( 1 ) ( ) \Delta H=-1452.8 kJ/mol.  What is the value of \Delta H if (a) the equation is multi plied... more
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01/07/20

how to solve this

2y-4x=8 y=2x-7 solve for one variable substitue that in the other equation substitue that value in one of the original equations
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01/06/20

Write an equation to model each situation and define a variable. The total price is the number of pennies times $0.59. SOLVE IMMEDIATELY!! THANK YOU!!
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01/06/20

normal distribuation

Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation of 75 hours. Find the probability that a randomly selected light bulb... more
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01/06/20

What is an equation of a line (in point-slope form) that passes through the points (0,1) and (2,2)?
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01/06/20

normal distribution

Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation of 75 hours. Find the probability that a randomly selected light bulb... more
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01/06/20

normal distribution

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. Find the probability that a worker selected at random makes between $450 and $500.
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01/06/20

normal distribution

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. Find the probability that a worker selected at random makes between $300 and $350.
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01/06/20

Multiplication question

The answer to 10 times -9
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01/06/20

Perpendicular lines

How to solve the backwards equation of the line that passes through the given point and is perpendicular to the given line
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01/06/20

binomial distributions

Find the probability of at least three successes in six trials of a binomial experiment in which the probability of success is 50%. Round to the nearest tenth of a percent. I CANT CALCULATE THE... more
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01/06/20

binomial distribution

Find the probability of at least one failure in five trials of a binomial experiment in which the probability of success is 30%. Round to the nearest tenth of a percent. I CANT CALCULATE THE RIGHT... more
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01/06/20

A line passes through(5,0) and is perpendicular to the graph of y+1=2(x-3). What equation represents the line in slop-intercept form
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01/05/20

How do I find an equation in standard form of the parabola through the points (1,-2),(2,-4),(3,-4)?
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01/05/20

what is best choice for these questions?
A polynomial function is defined as f(x) = 3x3 + bx2 + cx + d, where b, c, and d are integers. Given that f(3) = 0, which of the following is a possible value of d? A.8 B.9 C.10 D.11 The... more
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01/05/20

The Area of a triangle is 80 cm^2, Perimeter is 8 cm, so what is the length of the radius of the inscribed circle?
Choices:A)5 cmB)10cmC)20cmD)None of these
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01/05/20

binomial distribution

Find the probability of having 2,3, or 4 successes in five trials of a binomial experiment in which the probability of success is 40% Round to the nearest tenth of a percent.
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01/05/20

The wording confuses me
60 meters of fencing is available to enclose a pig pen along the side of a barn. What dimensions of the pen with maximize the area of the pig pen? Only three sides of the pen need to be fenced in... more
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01/05/20

How many grams of CO2 is produced by this reaction? Equation- CaCO3+2HCl---CO2+H2O+CaCl2
My sample of chalk(CaCO3) was 2.65 g or 0.0265 molesI previously found the number of moles of HCl that are required to react with the number of moles of CaCO3 contained in my sample to be 0.053... more
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01/03/20

A right triangle has a base of x-2 and a height of 2x+4 What is the area of the triangle?
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01/02/20

binomial distributions

Find the probability of no failures in five trials of a binomial experiment in which the probability of success is 30% Round to the nearest tenth of a percent.
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01/02/20

binomial distribution

In how many ways can a member of a hiring committee select 3 of 12 job applicants for further consideration?
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01/02/20

binomial distrubution

how many 5 card hands can be dealt from a standard deck of 52 cards?
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