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Math Help Math Amdm

08/25/19

AMDM Question (Mathmatics)

Is B correct? I've already taken my first attempt on this assignment, but It said it was wrong. Can someone please let me know? I would greatly appreciate it.A new cars salesperson, sold an average... more

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Math Help Algebra 2

07/31/19

The variable z is directly proportional to x. When x is 19, z has the value 114. What is the value of z when x = 29?

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Math Help Algebra 2

07/21/19

Help with word problem

The James family and the Robinson family each used their sprinklers last summer. The water output rate for the James family sprinkler was 20 L per hour. The water output rate for the Robinson... more

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Math Help Math Statistics Probability

07/03/19

An elevator has a placard stating that the maximum capacity is 2625 lb— 15 passengers.

So, 15 adult male passengers can have a mean weight of up to 2625 / 15 =175 pounds. If the elevator is loaded with 15 adult male passengers, find the probability that it is overloaded because they... more

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Math Help Trigonometry Tutor Trig

06/27/19

If Tan^2(t)-Sin^2(t)=Sin^a(t)/Cos^b(t), then the positive power a= ALSO the positive power b=

So, I know the first two stepssin^2(t)/cos^2(t) -sin^2(t)sin^2(t)-sin^2(t)cos^2(t)/(cos^2(t)I have no idea what to do after this? I looked and it said to factor but I have no idea why you factor... more

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Math Help Math Statistics Probability

06/04/19

Binomial Experiment

Consider a binomial experiment with n = 9 trials where the probability of success on a single trial is p = 0.15. (Round your answers to three decimal places.)(a) Find P(r = 0). (b)... more

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Math Help Math Algebra 2 Algebra

05/03/19

Solve the following logarithmic equation

2log(base 3)(x-4)+log(base 3)3=3

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Math Help

04/26/19

Please Please Please Help

The radioactive element carbon-14 has a half-life of 5750 years. A scientist determined that the bones from a mastodon had lost 76.17% of their carbon-14. How old were the bones at the time... more

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Math Help Algebra 1 Urgent Please Help Fast

04/16/19

Write the formula for the parabola that has x- intercepts (−3−sqrt(2) ,0) and (−3+sqrt(2) ,0), and y- intercept (0,−5)

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Math Help Trigonometry

04/11/19

I'm having trouble solving this trig problem: 1/1+tan^2x + 1/1+cot^2x = 1..any help?

I tried looking it up, but I can't use any new trig identities for my problem, I can only use: tanx= sinx/cosxsecx=1/cosxcotx=cosx/sinxcscx=1/sinx

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Math Help Algebra 1

03/29/19

The half-life of radium is 1690 years. If 100 grams are present now, how much will be present in 1000 years?

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Math Help Trigonometry Trig Math Problem

03/26/19

Trigonometry problem

Suppose you are solving a trigonometric equation for solutions over the interval [0,2π), and your work leads to 2x = 2π/3, 2π, 8π/3. What are the corresponding values of x?

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Math Help

03/21/19

Brendan cut a 1/2 meter piece of ribbon into 7 equal size pieces. What is the total length of 3 of those pieces? A. 1/7.

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Math Help Algebra 2

03/07/19

what is 5x + 2y = 23 / -4x - y = -19

-4x - y = -19 is supposed to be underneath the 5x + 2y = 23

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Math Help Statistics

03/02/19

Describe why the statement is false.: "75% of the days had 20 or more parts per million of pollution." the data set is 5,7,9,12,12,16,17,20,24,28,31,32,35,39.

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Math Help

02/27/19

Can't figure it out

Combine the like terms in the expression:2b2+7m+6b2−5mWrite your answer as an expression.

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Math Help Math Sat Math Mathematics

02/26/19

What is the sum of money?

3/5 of a sum of money is .60c. What is the sum of money?Would this be correct:3/5*x=602/5*x=?3/5*100=602/5*100=4040+60=100?s

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Math Help Calculus Precalculus Pre Calculus

02/23/19

Re-write the exponential function g(x)=3 x 2^x in the form g(x)=Aoe^kx

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Math Help Algebra 1

02/13/19

Math help please

Sarah Meehan blends coffee for tasti-delight. She needs to prepare 190 pounds of blended coffee beans selling for $3.95 per pound. She plans to do this by blending together a high quality bean... more

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Math Help Precalculus Trigonometry Circles

02/04/19

Circle question-Precalculus

A small radio transmitter broadcasts in a 44 mile radius. If you drive along a straight line from a city 49 miles north of the transmitter to a second city 61 miles east of the transmitter, during... more

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Math Help Algebra 1

02/01/19

Dependent and independent variable

Describe a situation with two variables that you can represent with an equation that uses two operation. Explain the relationship between the variable.

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Math Help Math Trigonometry Trig

01/24/19

In each problem, angle C is a right angle. Find the side indicated to the nearest tenth and show all work. Find a if b=16, measure angle A=42°

Answer Choices:A)14.4B)11.7C)13D)14.7

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Math Help Math Geometry Probability

01/13/19

Probability (GEOMETRY)

A meeting takes place between a diplomat and fourteen government officials. However, four of the officials are actually spies. If the diplomat gives secret information to ten of the attendees at... more

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Math Help Statistics Discrete Random Variables

12/19/18

Suppose that the random variable x , shown below, represents the number times . ( Thank you!, Much Appreciated!)

P(x) represents the probability of a randomly selected person having received that number of speeding tickets during that period. Use the probability distribution table shown below to answer the... more

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Math Help Statistics Confidence Intervals Margin Of Error

12/19/18

You are a researcher studying the lifespan of a certain species of bacteria. (Thanks for the help!)

A preliminary sample of 30 bacteria reveals a sample mean of ¯ x = 70 hours with a standard deviation of s = 4.6 hours. You would like to estimate the mean lifespan for this species of... more

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AMDM Question (Mathmatics)

The variable z is directly proportional to x. When x is 19, z has the value 114. What is the value of z when x = 29?

Help with word problem

An elevator has a placard stating that the maximum capacity is 2625 lb— 15 passengers.​

If Tan^2(t)-Sin^2(t)=Sin^a(t)/Cos^b(t), then the positive power a= ALSO the positive power b=

Binomial Experiment

Solve the following logarithmic equation

Please Please Please Help

Write the formula for the parabola that has x- intercepts (−3−sqrt(2) ,0) and (−3+sqrt(2) ,0), and y- intercept (0,−5)

I'm having trouble solving this trig problem: 1/1+tan^2x + 1/1+cot^2x = 1..any help?

The half-life of radium is 1690 years. If 100 grams are present now, how much will be present in 1000 years?

Trigonometry problem

Brendan cut a 1/2 meter piece of ribbon into 7 equal size pieces. What is the total length of 3 of those pieces? A. 1/7.

what is 5x + 2y = 23 / -4x - y = -19

Describe why the statement is false.: "75% of the days had 20 or more parts per million of pollution." the data set is 5,7,9,12,12,16,17,20,24,28,31,32,35,39.

Can't figure it out

What is the sum of money?

Re-write the exponential function g(x)=3 x 2^x in the form g(x)=Aoe^kx

Math help please

Circle question-Precalculus

Dependent and independent variable

In each problem, angle C is a right angle. Find the side indicated to the nearest tenth and show all work. Find a if b=16, measure angle A=42°

Probability (GEOMETRY)

Suppose that the random variable x , shown below, represents the number times . ( Thank you!, Much Appreciated!)

You are a researcher studying the lifespan of a certain species of bacteria. (Thanks for the help!)

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An elevator has a placard stating that the maximum capacity is 2625 lb— 15 passengers.