7,188 Answered Questions for the topic Math Help

Math Help Math Logarithms

07/18/18

Help with logarithms

An economist has found the following function for the number of mobile phones (in millions) sold worldwide since the year 2014: V(t) = 1244.74 · 1.1439t t= time in years. t=0 is the year 2014... more
Math Help

07/18/18

cathy has 15 more dimes than nickels. if she had $2.55, how many nickels does she have

Hey my math teacher and i are stuck HELP !!! 
Math Help

07/18/18

The true price of a gift you purchase by​ mail-order is ​$18.88​, but you are billed for $ 19.17. Find the absolute and relative errors. The absolute error is ​

The true price of a gift you purchase by mail-order is $18.88, but you are billed for $ 19.17. Find the absolute and relative errors.The absolute error is $0.290.29. (Type an ingeter or a... more
Math Help

07/16/18

a construction site can remove 2/5 tons of dirt from a constuction stie on each hour. how long will it take them to remove 10 tons of dirt from the site

Math is a difficult subject for me i just need help on a couple word problems.

07/16/18

Suppose that a polynomial function of degree 4 with rational coefficients has as zeros. Find the other zeros.

A 2 - i , -4 + B -2i, 4 + C 2 - i , 4 + D -2i, -4 +

07/16/18

Find a polynomial of degree 4 with -3 as a zero of multiplicity 2, -2 as a zero of multiplicity 1, and -1 as a zero of multiplicity 1.

A f(x) = x4 + 9x3 - 27x2 + 39x + 18B f(x) = x4 - 9x3 + 29x2 - 39x + 18C f(x) = x4 - 10x3 + 29x2 + 39x + 18D f(x) = x4 + 9x3 + 29x2 + 39x + 18

07/16/18

Find how long it takes $500.00 to double if it is invested at 8% compounded semi-annually.

Use A=P(1+r/n)^nt where:   A= the amortized amount (total loan/investment amount over the life of the loan/investment)P= the initial amount of the loan/investmentr= the annual rate of interestn=... more

07/16/18

What is the future value of the investment after 12 years?

An investment of $85,300 earns 7.1% annual interest, compounded continuously. If no funds are added or removed from this account, what is the future value of the investment after 12 years? (Round... more

Quadratic functions

on the reality tv show last man standing a package is thrown from a plane to the ocean below. the contestants must swim to the package to receive the free pass located inside the package. the path... more
Math Help Cosine

07/14/18

question about cosine law

for the cosine law c^2= a^+b^2-2abcosc, is the value for c always the longest angle of the triangle, and if so, how do you know which side is the longest given only 2 sides and 1 angle?

. Suppose you have a sequence that begins {0, 2, 6, 12}.Give the next 3 numbers in your sequence. Use a positional definition to define your sequence.

Can I have a breakdown to better understand. I am wanting to double check my work to make sure I am on the right track of solving these kind of problems.

07/14/18

Suppose you have a sequence that begins {2, 5, 10, 17}. Give the next 3 numbers in your sequence. Use a positional definition to define your sequence.

Need help solving. I really am having a hard time understanding how to writ in positional for.
Math Help

07/14/18

Suppose you have a sequence that begins {2, 7, 17, 37}. Give the next 3 numbers in your sequence. Use a recursive definition to define your sequence.

Can I have a break down on how to get the answer. For example use.
Math Help

07/13/18

Is -3x+8=y a function

Is it a function because its in the form of y=mx+b?
Math Help

07/13/18

Suppose you have a sequence that begins {128, 64, 32, 16}. Give the next 3 numbers in your sequence. Use a recursive definition to define your sequence.

I am having a hard time understanding how to solve these equations and writing them out in recursive.
Math Help

07/13/18

What are the order pairs for -3x+8=y

need help
Math Help Math

07/13/18

What is an equation of the line that is parallel to y=9−4x and passes through (0, 7)

Please help i really dont understand 
Math Help Math Math Answers

07/13/18

SOMEONE HELPWhat is an equation of the line that is parallel to y=9−4x and passes through (0, 7)

 I dont know how to do this please help
Math Help

07/13/18

Suppose you have a sequence that begins {1, 3, 9, 27}.Give the next 3 numbers in your sequence. Use a recursive definition to define your sequence.

With this equation I got I think I may be wrong. Want to double check myself   A1= 3   An=3(3) to the power of 2
Math Help

07/13/18

Suppose you have a sequence that begins {1200, 1150, 1100, 1050}.Use a recursive definition to define your sequence.

I think I have the answers but want to double check this is what I have a1= -50an = an-1-50 Would this be correct or incorrect
Math Help

07/13/18

Math addition

In 200cm, sam is 7sec behind Of ravi At finishing line. However, sam was 5second behind charles. If sam took 42second to complete the race how long did ravi and charles take to complete the race?... more
Math Help

07/12/18

using pemdas what is 36/2(8*45)

36÷2(8*45)

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