322 Answered Questions for the topic Help

10/25/19

I need help with this question

Blakes cell phone company charges him $20 plus $0.40 a minute. Steven’s cell phone company charges him $45 and $0.25 a minute. For how many minutes would Steven and Blake have to talk on their cell... more
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10/23/19

Reaction Rates Problem
A certain reaction has an activation energy of 58.63KJ/mol. At what Kelvin temperature will the reaction proceed 6.50 times faster than it did at 357 K?
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10/20/19

Write series as a summation in sigma notation.
3+2+5/3+3/2PLEASE HELP ME AND THANK YOU IF YOU DO!!!!
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10/19/19

Find the equation of the hyperbola if:

a). the asymptotes are y=0.5x and y=−4−0.5x, and one of the vertices is (−4, 0).b). it has x-orientation, with vertices (2, 0) and (−2, 0), and it goes through the point (4, 5sqrt(3))PLEASE HELP... more
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10/19/19

Write both series as a summation in sigma notation.
a). 3+2+5/3+3/2b). 5+8+11+14+17+20PLEASE HELP ME AND THANK YOU IF YOU DO!!!!
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10/16/19

Help please?! Open ended... Natural Selection sceanario

Over the past several years, Abalone has come into style for making jewelry, and have therefore been over harvested. As the population of abalones declined, so did the sea stars that eat them.... more
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10/15/19

Please help math equations

Tabitha is renting a ballroom for an upcoming dinner reception. The rental fee for the ballroom includes a base price plus the cost of dinner per person. The table below shows the cost of the... more
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10/13/19

Professional internet job assistance.....???
I feel like there is a real term for what I am looking for but I am not sure what it is so I'm going to try my best to describe what I mean. A lot of people these days are making money lots of... more
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10/08/19

How do I find the amount that represents 1.96 standard deviations above the mean?
How do I find the amount that represents 1.96 standard deviations above the mean if the mean is 36.74 and the standard deviation is 20.19?
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10/08/19

Finding standard deviation above a mean?
How do I find the amount that represents 1.96 standard deviations above the mean if the mean is 36.74?
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10/06/19

Using the given information write the equations of the parabolas:(3 answers a, b, c )

a)The parabola has the focus at (3, 12) and the vertex at (−2, 12).b)The parabola has the focus at (0, –5) and the directrix at x=14.c)The parabola has x-intercepts (1, 0) and (3, 0), and... more
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10/06/19

Find an equation of the circles:(there are 4 questions)
c)Center on line x=3, tangent y-axis at (0, 5)d)With center (–2, 0); passes through (2, 0)e)Radius 5, tangent to y-axis; contain (10,7)f)Center on line y–4=0, tangent x-axis at (–2, 0)PLEASE HELP... more
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10/06/19

Find the equation of a line tangent to the circle x^2+y^2=8 at the point (–2, 2).
PLEASE FIND THE EQUATION AND THANK YOU IF YOU DO!
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10/06/19

Find an equation of the circles:(there are 6 questions)
a)With center (0, 5); passes through (0, 0)b)Radius 4, tangent to x-axis; contain (–5,8)c)Center on line x=3, tangent y-axis at (0, 5)d)With center (–2, 0); passes through (2, 0)e)Radius 5, tangent... more
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10/05/19

Find an equation of the circle and sketch it: c Radius 4, tangent to x-axis; contain (–5,8)
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10/01/19

In an arithmetic series t1 = 25, t3 = 23. Find the value of n for which Sn= 135
There are two answers! n=___?___n=___?___PLEASE HELP ME AND THANK YOU IF YOU DO!!!
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09/29/19

In an arithmetic series, S12 = 21, t12 = 10. Find t1, t2.

t1=___?____t2=___?____PLEASE HELP ME AND THANK YOU VERY VERy MUCH IF YOU DO!!!
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09/28/19

Simplify: 2(sin^6(a)+cos^6(a))-3(sin^4(a)+cos^4(a))-sin(2π-a)+1
PLEASE HELP ME WITH THIS TRIG!!!! THANK YOU IF YOU DO!!!!
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09/26/19

Use implicit differentiation to find the slope of the tangent line to the curve defined by xy^3+2xy=60 at the point (5,2)
I would appreciate if all work is shown with detailed steps! Provide the answer to the slope of the tangent line to the curve at the given point is _____.
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09/26/19

Find the slope of the tangent line to the curve defined by 9x^3+4xy−6y^2=1752 at the point (6,−4).
This is a derivative but I don't know how to do this question! I would appreciate if all work is shown with detailed steps! Provide the answer to the slope of the curve at the point (6,-4) is_____.
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Help

09/19/19

Summarize it please
Summarize the rules for multiplying powers with the same base dividing powers with the same base and raising a power to a power.
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09/11/19

chemistry problem, explain because I got lost doing this and its not giving me the answer that we have

The atomic mass of chlorine is 35.45 amu. Calculate the mass of the first isotope if it has a % natural abundance of 75.77% and the second isotope has % natural abundance of 24.23% and mass of... more
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09/11/19

Company hires 12 people from a pool of equally qualified applicants.It has 60% women and 40% men.If your threshold for bias is 5%, find the number of women hired before you have a reasonable doubt.
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09/10/19

Help help help help help
My Drive to work in the morning averages 20 minutes a day.If I drive to and from work five days a week, how many hours do I spend driving to and from work each week
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09/05/19

What statistical test would i ask

I will do a test to see if those with higher rebellious scores are more likely to have a higher level of aggression.(correlation?????????)
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