1,067 Answered Questions for the topic Algebra Help
Algebra Help
05/31/16
Can any help solve and check
-4(3n-2)-n=-11(n-1)
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Algebra Help
05/29/16
To write the expression we could use for the nth term of the geometric sequence 3, 12, 48, 192 .... we would use a subscript 1 equals
and r equals
Using that equation a subscript 12
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Algebra Help
05/29/16
In a recent season A-Rod's batting average was 0.277, meaning that in any given at bat the probability he will get a hit is 0.277.
What is the probability he won't get a hit?
What is the probability that he will get a hit in 3 consecutive at bats?
What is the probability he will NOT get a hit on any of the 3 times at...
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Algebra Help
05/29/16
Suppose a math class has 24 students.
In how many ways can four students be selected to take part in a survey?
In how many ways can four students be selected to do 4 different mathematical problems on the board?
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05/25/16
probability problem
In the Iowa Pick 5 lottery, you win the grand prize by correctly choosing the same group of 5 numbers from 1 to 38 as chosen by the computer. What is the probability that a player will wind the...
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05/24/16
How do I create a function and graph on a coordinate plane? I'm hopeless.
A water ballon is catapulted into the air so that its height h, in meters, after t seconds. Using the acceleration due to gravity, the initial velocity of 27 meters, and an initial height of 2.4...
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Someone decides to put $5000 under their mattress rather than in a bank.
The average inflation rate over the next four years is 3.7%. What is the real valueof this money after the four year period? Round to the nearest dollar.
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05/23/16
Inverse relationships
suppose that y varies directly as x and inversely as z. If y = 4 when x = 1/4 and z = 1/2, find y when x = 2 and z = 16.
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05/23/16
Find the first 5 terms of the geometric sequence
a3 = 36 and a5 = 324
Find first 5 terms.
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Here is a geometric sequence: 175, -70, 28, -11.2,…. Calculate the following:
a) g4
b) r
c) g14 (Round to 4 significant digits.)
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05/22/16
Please help me solve this word problem
In 1997, lowe's had 427 stores nationwide. By 1999, this total had grown to 520. If the number of stores continues to grown exponentially at this rate, how many stores will there be in 2017?
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05/22/16
An investor has deposited $80,000!in an account that pays 5.3% annual interest, compounded continually .
An investor has deposited $80,000 in an account that pays 5.3% annual interest, compounded continually. How long will it take until the accounts balance is $100,000?
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05/22/16
Find the first 5 terms of the sequence
First five terms of the sequence an = 3n-2
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05/21/16
Find the first 4 terms of the binomial expansion. Enter the sum of the first 4 terms only.
Find the first 4 terms of the binomial expansion. Enter the sum of the first 4 terms only.
(a-b)^7
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05/21/16
Arithmetic Sequence Question. Help!
What is the sum of the first 13 terms of the arithmetic sequence which has a11 = 25 and a20 = 70?
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Logarithm Question
log base 4 of (2X) + log base 4 of (X+7)=2
Do I need to check for extraneous?
Why doesn't the answer -8 work?
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05/18/16
Arithmetic Sequence Question. Help!
Given an arithmetic sequence which has a12=-2 and a16=-14 what is a23?
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05/16/16
Create a rational function that has the given asymptotes, Y= 0, X= -4, X= 0, and X= 7
the solution has to be a function, so work backwards from The asymptotes
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Algebra Help
05/15/16
see description
An arena that hosts sporting events and concerts has three sections for 3 levels of seating. For a basketball game seats in Section A cost $100, seats in section B cost $50 and seats in section C...
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Answer the question below:
The half-life of a radioactive element is the time it takes for 50% of its atoms to decay into something else. The half-life of radon-222 is about 3.8 days. About how many grams of radon-222 would...
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05/10/16
I need major help with this problem. Please show work and answer thanks!
Question
Identify the points of discontinuity (vertical asymptotes & holes), x-intercepts, horizontal asymptote, and domain of
(using RATEY)
2x2+6x+4
f(x)=...
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05/10/16
inverse of coefficient matrix
solve the system by first writing the matrix equation, then using the inverse of the coefficient matrix:
-4x-3y = -4
6x+5y = 8
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05/09/16
How do you write a function for a job that pays $2000 a month with a 2% annual raise
Neha is trying to decide two e between possible jobs. Job A pays $2000 a month with a 2% annual raise. Job B pays $24,000 a year with a $500 annual raise. Write a function that represents the jobs...
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05/09/16
System of equation
A plane can travel 960 miles in 2 hours with a tail wind. The return trip takes 2 hours and 40 minutes against the wind (use a mixed number or improper fraction to represent this time - NO...
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