Tuesday

January 24, 2017
Total # Posts: 2,068

**Physis**

Figure (a) shows a red car and a green car that move toward each other. Figure (b) is a graph of their motion, showing the positions xg0 = 270 m and xr0 = -35 m at time t = 0. The green car has a constant speed of 24 m/s and the red car begins from rest. What is the ...

*January 22, 2017*

**Math**

I also noticed that it's against the rules to post answers, as you have stated. You also said it can result in banning. May I ask why you're going against what you said? I am very curious. Thank you.

*January 12, 2017*

**Math**

Ms. Sue. I have noticed you give a lot of short answers. I assume you're a teacher and I am kind of disappointed. You think somebody who is in the field of education would actually try to educate. Instead of giving one or two word answers, I suggest you try explaining why ...

*January 12, 2017*

**Texas History**

which capital was located nearest the frontier

*January 8, 2017*

**Science**

If you have 10 grams of water and you add 5 grams to it how much salt water do you have?

*December 12, 2016*

**Calculus**

If an isosceles triangle has a fixed perimeter P, find the dimensions that maximize that area. Show how you know that it is the maximum.

*December 11, 2016*

**American Government**

Please I need Help!!!!!!!!!!!!!!!!!! 1. What type of power does the Constitution grant to the Supreme Court? (1 point) executive power federal power judicial power legislative power 2. Which are examples of judicial restraint in the Supreme Court? Select all that apply. (3 ...

*December 5, 2016*

**genetics!!**

In sexual reproduction, the variation among offspring, and the fact that they are genetically different from their parents, is due to which of the following? a) random alignment of homologues during meiosis 1 b) crossing over c) random process of fertilization d) all of the ...

*December 2, 2016*

**biology**

A man is heterozygous for two genes (R and L) that are located on different chromosomes. Which of the following processes would result in different combinations of the alleles for these two genes in his sperm? a) fertilization b) independent assortment c) recombination d) ...

*December 2, 2016*

**Math**

1 3 3 6 6 10 10 15 How do you get from the first number to the next?

*November 29, 2016*

**Social studies 5th grade**

Well, this question isn't really clear to be honest. Who is exploring? Who is them?

*November 29, 2016*

**Math**

The bases on a baseball diamond are 27.4m apart. The pitcher pitches,and the batter hits a fly ball straight up 15m. What is the maximum angle of elevation of the ball to the nearest degree, as seen by the pitcher if he is standing at the center of the diamond? HELP

*November 28, 2016*

**Math**

Consider ?C such that sin C = 7/25 a) What are the possible quadrants in which ?C may lie? b) If you know that cos C is negative, how does your answer to part a) change? c) Sketch a diagram to represent ?C in standard position, given that the condition in part b) is true. d) ...

*November 22, 2016*

**Algebra**

What is g(-2) for the function g(x) = x squared - 2? I got 0, but it was wrong. Please help! Thanks!

*November 15, 2016*

**geography**

Is there a connection between The Balfour Declaration and the frustrations of Hezbollah? I have some vague ideas, but I need more info and more clear and in depth info! Thanks!

*November 15, 2016*

**Data**

Three Canadians, 4 Americans, and 2 Mexicans attend a trade conference. In how many ways can they be seated in a row if the people of the same nationality are to be seated next to each other?

*November 13, 2016*

**history**

Were the European governments ( Britain and France) Justified in their decision to create mandates in the Middle East at the end of World War 1 ? I need as much details as possible!

*November 9, 2016*

**PE**

Which is a safety consideration for weight training? A. Concentrate on strength when beginning a program. B. Go through the complete range of motion to increase flexibility. C. Smaller muscles should be exercised first. D. Warm-up is not important. Thanks!

*November 9, 2016*

**geography**

Were Britain and France justified in their decision to create mandates in the Middle East at the end of World War I? I have no idea! Thanks!

*November 8, 2016*

**Math**

With this given equation: h=-1/144x^2, how wide is the base if this bridge?

*November 3, 2016*

**geography**

In what ways do oil and water shape the lives of the people in the middle east? Provide specific examples. Thanks!

*November 3, 2016*

**geography**

Which country out of the following contains the most arabs? A. jordan B. israel C. syria D. lebanon

*November 2, 2016*

**geography**

Which of the following countries contains the most arabs? A. Jordan B. Israel C. Syria D. Lebanon I think the answer is either B or C, but i really need a definite answer! Thanks!

*November 2, 2016*

**SS CHECK**

2. What is the purpose of the separation of powers? A) to keep ordinary citizens involved in politics B) to prevent any branch from dominating the government C) to distribute work between state and federal levels of government D) to ensure that every president is supported by ...

*November 2, 2016*

**MORE LIKE READING**

BECAUSE THEY NEED TO KNOW WHO WILL BE MORE RESPOSIBLE WITH OUR COUNTRY

*November 2, 2016*

**SS Check Work**

Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliament appoints the prime minister. 1. Does Asha's nation have a limited or an unlimited government? A) ...

*November 2, 2016*

**SS Check Answers**

1. What value in American identity is most fundamental to the U.S. political system? A. indivual rights B. social conformity C. national security D. freedom from rule 2. Why was the Voting Rights Act of 1965 necessary A. Each citezen must be ruled by the same laws. B. Each ...

*November 2, 2016*

**SOCIAL STUDIES HELP**

I'm looking for help.

*November 2, 2016*

**SOCIAL STUDIES HELP**

Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliament appoints the prime minister. 1. Does Asha's nation have a limited or an unlimited government? A) ...

*November 2, 2016*

**science**

The intense updrafts and downdrafts that characterize severe thunderstorms are the result of what? Thanks!

*November 1, 2016*

**Algebra**

Does (1, 1/2) (2, 1/4) (3, 1/8) (4, 1/16) (5, 1/32) represent a function? Thanks!

*November 1, 2016*

**Algebra**

wallet contains $290 in $5, $10, and $20 bills. The number of $5 bills exceeds the number of $10 bills by 4, and the number of $20 bills is 3 less than twice the number of $10 bills. How many bills of each type are there?

*October 31, 2016*

**Algebra**

The length of a rectangle exceeds twice its width by 4 feet. If the area of the rectangle is 286 square feet, find the dimensions.

*October 31, 2016*

**agebra**

The sum of two numbers is 1178. The first number is 270 less than three times the second number. What are the numbers?

*October 31, 2016*

**Algebra**

A rectangular field whose length is 33 less than four times its width needs to be enclosed with exactly 104 meters of fencing. What are the dimensions of the field?

*October 31, 2016*

**Algebra**

Andrew needs x dollars for a snack. Scott needs 2 more dollars than Andrew, but Nick only needs half as many dollars as Andrew. Altogether they need $17 to pay for their snacks. How many dollars does Nick need? Thanks so much! Happy Halloween!

*October 31, 2016*

**geography**

Why is the Aral sea and the areas surrounding it a significant issue? What problems are the people of this region facing? Im so confused! Thanks!

*October 27, 2016*

**Algebra**

A rectangular field whose length is 34 less than four times its width needs to be enclosed with exactly 122 meters of fencing. What are the dimensions of the field?

*October 25, 2016*

**Algebra**

A wallet contains $445 in $5, $10, and $20 bills. The number of $5 bills exceeds the number of $10 bills by 2, and the number of $20 bills is 3 less than twice the number of $10 bills. How many bills of each type are there?

*October 25, 2016*

**Algebra**

The sum of two numbers is 1161. The first number is 183 less than twice the second number. What are the numbers?

*October 25, 2016*

**math**

40% of ___ = 60

*October 24, 2016*

**Spanish**

Ms. Sue know's the nollege behind the answer almost everytime. So if she were to be asked why then she would be able to tell you.

*October 24, 2016*

**science**

What are the similarities and differences between the three major wind systems? Thanks!

*October 18, 2016*

**math**

place brackets in the following statement to make it true 20 - 6 x 2 + 1 = 2

*October 14, 2016*

**math**

place brackets in the following statement to make it true 20-6x2+1=2

*October 14, 2016*

**math**

thanks Ms. Sue.

*October 11, 2016*

**math**

by multiplying the recipicle

*October 11, 2016*

**math**

Anna bought a strip of fabric 10 yd long. She needs a 1 and 1/3 yd piece to make a pillow. How many pillows can Anna make? 10/1 * 3/4 = 7.5

*October 11, 2016*

**geography**

How have natural resources have influenced European economic activity in the past? Thanks!

*October 11, 2016*

**Math!!**

1.a 2. B

*October 11, 2016*

**TECH ED HELP**

Kara is correct just look the quiz I pass it! Here are my answers 1.a 2.A 3.c 100% correct trust me you will pass it

*October 10, 2016*

**Energy**

If the half life of Ir - 131 is 42 days, how much would be remaining after 168 days?

*October 6, 2016*

**literature**

In the merchant of venice act 3 scene 5, Antonio quips that the devil can cite scripture for his own purpose (I, iii, l.95). How does the scriptural debate between Launcelot and Jessica serve each character’s purpose? This debate has the potential to explode the harmony ...

*October 5, 2016*

**Science**

chemical property mixture heatcapasity homogeneous viscosity sublimitation physicalproperty compound chemicalformula substance density mass tempurature pressure heterogenerous A _________ property of matter describes its ability to change into different substances.unsure The ...

*October 5, 2016*

**literature**

In the merchant of venice act 3 scene 4, 1. What does Portia tell Lorenzo that she and Nerissa will do? What is their actual plan? 2. 1. How is Portia equipped to portray a man?

*October 4, 2016*

**literature**

In the merchant of venice act 2 scene 2, Portia gives Bassanio the ring with a warning, and Bassanio accepts the ring with his own pledge. How is this contract or bond similar to and different from the one made in Venice? What significance did rings have in Elizabethan England...

*October 2, 2016*

**chemistry**

how many joules of heat are required to heat 149g of aluminum from 31.0 celcius to 75.5 celsius

*September 30, 2016*

**Algebra 1**

The perimeter of a triangle is 36. Find the value of x. Show your work. 2x+1 3x-4

*September 29, 2016*

**Algebra practice test answers**

1. (y^4)(y^3) = y^7 2. Y^6 / Y^2 = Y^4 3.5-^3 = 1/125 4. 15^0= 1 5. Y^4 = (y^2) (y^2), Y^6/y^2 AND Y^9/ Y^5. THESE ARE A 100% CORRECT I GOT 7/7 POINTS 100% TRUST ME WILL PASS IT!

*September 26, 2016*

**biology ms sue**

The answer is b.

*September 26, 2016*

**literature**

In the Merchant of Venice, What is Shylock’s initial reaction to Launcelot’s leaving his service? I googled it many times, but I couldn't find the answer! Thanks!

*September 22, 2016*

**literature**

In the merchant of venice act 2 scene 4, What does Jessica’s letter say? What is her plan? Why would torchbearers be considered vile? Thanks!

*September 22, 2016*

**literature**

In the merchant of venice, Why do you think there is no Biblical imagery, only mythological imagery, in this scene? (act 2 scene 1) Thanks!

*September 20, 2016*

**literature**

In the merchant of venice act 2 scene 1: Look at the language he uses in ll.1-12 and 22-38. How does the imagery in his speech reflect the Elizabethan perception of Moors? What the heck does that mean? What is Moors?

*September 20, 2016*

**Chemistry**

The mass of an empty container is 91 g. The mass of the container filled with water is 111 g. What is the volume of the container? The density of water is 1 g/cm3 .Answer in units of cm3 20cm3 016 (part 2 of 5) 1.0 points The container was emptied, dried, and a piece of metal ...

*September 19, 2016*

**Math @ Steve**

So, the answer will be 1:4?

*September 18, 2016*

**Math**

What are the odds of drawing a 5 from these cards? 1,2,3,4,5 I do not understand how to solve this. Thanks

*September 18, 2016*

**Algebra 2**

if p(x)=2x^3+8x^2-7x, find p(3)

*September 8, 2016*

**Social Studies**

1. A and b 2. Wheat farmer, clock maker and gun maker

*September 6, 2016*

**science**

25. Perform the following conversions. (Do your work on scratch paper and then type answer.) A. 105 m = cm B. 2000 mL = L C. 3400 g = kg D. 0.985 km = m E. 2345 mm = m F. 34 kg = g

*September 1, 2016*

**Social Studies Help**

number 1 is correct it is d 2. b trust me

*August 31, 2016*

**Social Studies (check my answers))**

1. is d 2. b trust me

*August 18, 2016*

**History PLZ HELP ASAP!!!**

1. C they walked from Asia to North America over a strip of land that since been covered by the ocean 2. A and c 3. B and c 100% correct

*August 9, 2016*

**precalc**

I don't see how an eigenvalue calculator helps me with #1 and the first part of #2. I also don't know what you mean by "there should be a proof in your text. The discussion about eigenvectors will show that they are a basis for the vector space." Thanks!~

*August 7, 2016*

**precalc**

Given a square matrix M, we say that a nonzero vector v is an eigenvector of M if Mv=kv for some real number k. The real number k is called the eigenvalue of v with respect to M. 1. Let v be an eigenvector of the matrix M with eigenvalue k. Find a simple expression for (M^n)v...

*August 7, 2016*

**chemistry assignment**

(a): You can do that. (b), (c), and (d): Google "accuracy vs. precision" and I think that will help you get on the right track.

*August 7, 2016*

**Analytical Chemistry**

I was able to solve it! Thank you again Dr.Bob! This is the 2nd time you've saved me this semester! I greatly appreciate it! :D

*August 3, 2016*

**Analytical Chemistry**

I was able to do Equation 2 and got 1.58 for b/a ...

*August 3, 2016*

**Analytical Chemistry**

This question pertaining to buffer systems! How would you prepare 10.0mL of 0.0100M phosphate buffer, pH = 7.4 0, from stock solution of 0.100M KH2PO4 and 0.250M K2HPO4, pKa of KH2PO4 is 7.20. Please help me in figuring out how I even start this problem...as well as attempting...

*August 3, 2016*

**Chemistry**

The following soluble salts are strong electrolytes. For each, write a balanced equation for their dissociation in water. NaBr BaBr2 Li3PO4

*August 2, 2016*

**Chemistry Theory**

We are able to "see" the shapes of molecules with X-ray crystallography. However, even without this technology, there is a great deal of evidence that water, H2O, is a bent, polar molecule. Discuss this evidence and explain how it relates to our model of the water ...

*July 29, 2016*

**Analytical Chemistry**

@ Dr.Bob222 Thank you for the help! it is greatly appreciated! However - Do I graph the last number saying Sample and 0.310? Or is that not necessary?

*July 22, 2016*

**Analytical Chemistry**

I am having major issues with this problem and I no clue where to start. It also doesn't help that the professor never taught us how to calculate mass % from data like this... Students in the analytical chemistry class were given a sample of spinach to determine its iron ...

*July 22, 2016*

**Precalc**

Rhombus ABCD, with side length 6, is rolled to form a cylinder of volume 6 by taping side AB to side DC. What is sin(angle ABC)?

*July 15, 2016*

**precalc**

Points A, B, and C are on the circumference of a circle with radius 2 such that angle BAC = 45 degrees and angle ACB = 60 degrees. Find the area of triangle ABC.

*July 15, 2016*

**Math**

Use the value sin x = 1/ 2 and cos x > 0 to find the values of all six trigonometric functions. Leave your answer in exact form, not in decimal

*July 10, 2016*

**Physics**

I've looked at other questions posted like this and can't understand the problem or any of the answers. Could someone please show how to find for Cliff and Will? Cliff and Will are carrying a uniform 2.0m board of mass 75kg. Will is supporting the board at the end ...

*July 3, 2016*

**Probability**

Brenda’s Bike Booth, at the mall, allows people to order a bike in their choice of 4 colors (Atomic Tangerine, Banana, Café Noir, or Dollar Bill) and the options of with or without a basket; with or without a horn. Given all of these options, what’s the ...

*June 30, 2016*

**Probability :(**

Brenda’s Bike Booth, at the mall, allows people to order a bike in their choice of 4 colors (Atomic Tangerine, Banana, Café Noir, or Dollar Bill) and the options of with or without a basket; with or without a horn. Given all of these options, what’s the ...

*June 29, 2016*

**Algebra**

The difference of two numbers is 96 and their sum is 300. Find the numbers. What is the answer for that?

*June 27, 2016*

**math**

Angle = 20 Complement = 70 Supplement = 160

*June 26, 2016*

**Precalc**

Let x and y be real numbers such that x^2 + y^2 = 1. Find the max value of 2x - 5y. A hint was given to use Cauchy-Schwarz but I'm not sure how to apply it to vectors?

*June 7, 2016*

**Math**

Let a, b, and c be unit vectors, such that a+b+c=0. Show that the angle between any two of these vectors is 120 degrees. I proved this geometrically, but now my teacher wants a proof using vectors, and I don't know what to do.

*June 7, 2016*

**math**

How do you find P3, P13, and P15? P10 is obviously (-1, 0), but I'm not sure how you got P2 and how to find the other three points

*May 31, 2016*

**math**

Let P_1 P_2 ... P_18 be a regular 18-gon. Show that P_1 P_10, P_2 P_13, P_3 P_15 are concurrent. I've proved this with a diagram, but the question requires a rigorous proof.

*May 31, 2016*

**Math**

Suppose p and q are points on the unit circle such that the line through p and q intersects the real axis. Show if z is the point where this line intersects the real axis, then z=(p+q)/(pq+1) So far I've figured out that the equation for the line is z=p+t(q-p) but I don&#...

*May 31, 2016*

**math**

You deposit $400 in a savings account that earns 7% interest compounded annually. What is the function that represents your balance after t years?

*May 30, 2016*

**math**

Find the imaginary part of (cos(12) + i sin(12) + cos(48) + i sin(48))^6.

*May 28, 2016*

**Math**

Please help me with this ASAP! I need help with this just checking my answers thanks 1. There are 14 blue marbles, 8red marbles, and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? A. 24:8 B. 34:8 (my answer) C. 8:34 D...

*May 26, 2016*