80 Answered Questions for the topic Homework


x2−24y2−12x+96y−96=0. Find center,vertices,foci,and equation of asymptotes

It's a hyperbola.I


Find sin2x, cos2x, and tan2x if cosx= 15/17

Find sin2x, cos2x, and tan2x if cosx= 15/17 and x terminates in quadrant IV. Sin2x = ?Cos2x = ?Tan2x = ?
Homework Math


Need help with math

Alexus is ordering a large pizza for lunch. She has $15 dollars in all.  A large pizza costs $9 and $0.50 per topping. Which equation could be used to determine the maximum number of... more
Homework Math Statistics


Suppose Z is a standard normal random variable

Question 1: If P( -z < Z < z ) = 0.7814, find z.Question 2: Find P( -2.11 < Z < -0.42). I believe the first question, I have to do: 0.5 + (1/2)(0.7814). But I don't know what to do after.


I need help on this math problem dude

A square and a rectangle have the same parameters. The length of a side of the square is 4x-1. The length of the rectangle is 2x+1 and the width is x+2. Write and solve an equation to find X.


For each pair of functions, find f(g(x)) and g(f(x)). Simplify your answers.

f(x)= 1/x-6, g(x)= 7/x+6 f(x)= x^2 +1, g(x)= SqRt x+2 f(x)= |x|, g(x)= 5x+1
Homework Precalculus


Find the average rate of change of the function on the interval specified for real number

h(x) = 3x+4 on [2,2+h]j(x) = 3x^3 on [1,1+h]
Homework Algebra 1


A number increased by 7 is 2 times the sum of the number and 2.

How do I add common stocks to the cash balance on a balance sheet?

I am currently working on my Accounting homework and I cannot figure out this answer. I have everything figured out except for the correct cash balance on the balance sheet. A side not says that... more


I don't understand my homework at all. need help

If PQ =8 and PR=QS, then RS= By the way the PR and QS have a line sengment on top and the equal sign has a squigly line over it.
Homework Algebra 1


math homework help please

a submarine travaling at 200 meters below the surface of the ocean increases its depth by 45 meters. Adam says that the new location of the submarine is -155 describe an error that would result in... more
Homework Botany Ethology


Why does the olive tree produce a bitter tasting fruit?

What is the survival value for the olive tree to produce a bitter tasting fruit, even when it is ripened? I realize some fruits and berries are species specific, i.e., meant for specific animals... more
Homework Gre


The plural of One?

I have a statement:>'The writer says we must all feel excitement and strangeness at the idea of going to sea.'Now I have to remove "we" here and replace it with "one" or any other third... more
Homework Gre


Why is "schism" preferred over "demur" in this sentence?

This is a verbal reasoning question in a GRE book. Obviously, the correct answer could only be A or B. And the explanation on the text book is "the correct answer is B".> Unenlightened... more
Homework Math Pre Calculus


Pre-Calculus. .

The radioactive element​ carbon-14 has a​ half-life of 5750 years. A scientist determined that the bones from a mastodon had lost 59.7% of their​ carbon-14. How old were the bones at the time they... more


Why are centrioles aligned at 90 degree with each other?

The centrioles are aligned at 90 degree with each other. What is the function of this?
Homework Genetics Database


Where should I start looking for an online gene library?

Is there an online library that includes all known genes in stored in their nucleotide form of all living organisms? I'm presuming that such a database doesn't exist. So to kick of my search, how... more


What happens to the red blood cell in CaCl₂ solution?

Here's the problem:One red blood cell is placed in a hypertonic solution of NaCl, another isplaced in a solution of CaCl<sub>2</sub> equimolar with the NaCl solution. Whatwould you... more


How do trees use Adhesion and Cohesion to move water against gravity?

I have an AP Bio class where I have to name 3 properties of water and I chose adhesion and cohesion for one of them. I'm having trouble finding out how exactly trees use adhesion and cohesion to... more
Homework College Algebra


I am needing help on my homework

​$5400 is​ invested, part of it at 10​% and part of it at 8​%. For a certain​ year, the total yield is ​$492.00. How much was invested at each​ rate?
Homework Math Statistics


Statistics Question

Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)μ = 15.1; σ = 4.3P(10 ≤ x ≤ 26) = 
Homework Math Statistics


Statistics Problem

Find z such that 4.5% of the standard normal curve lies to the right of z. (Round your answer to two decimal places.)z =

Non-ribosomal peptide synthesis: why Glutathione cannot be produced by the ribosome?

**Case**: I am writing a summary for a class in protein structure and function, and was asked to describe some different ways that peptides are synthesized (that does not involve the ribosome). I... more
Homework Biology Mitosis Dna


Chromosome and chromatid numbers during cell cycle phases?

A diploid cell in G1 has 6 chromosomes. How many chromosomes and how many chromatids are present in each of the following stages?Here is what I am guessing- G1: 6 chromosomes ; 6 chromatids - G2:... more

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