Posts by cheyenne
Total # Posts: 269

Algebra
How do you make a matrix out of these numbers: 3, 2, 1, 0, 1, 2. I don't know what a matrix is. 
Algebra
(7×2)8÷2+4=7 
Algebra
Pick a number. Multiply by 2. Subtract 8. Divide by 2. Add 4. What is the result? Use algebra to show why the tricks work. 
Math
Amy wants to travel from elm town to lakeside at an average speed of 50 miles per hour. She travels half the distance and finds out her average speed has been on 25 miles per hour. How fast must she drive for the rest of the trip to average 50 miles per H our for the whole ... 
Math
I am reposting a problem, I wrote it wrong A rectangular prism has a volume of 6.84m 3 cubed and a height of 1.2m . What is the area of the base of the prism? Do I divide 6.84 by 1.2? If so 5.7 the correct answer Or am I doing wrong???? 
Math
Let me rewrite . A rectangular prism has a volume of 6.84m 3 cubed and a height of 1.2m. What is the area of the base of the prism. I got 5.7 for the area. This is the only info for the problem 
Math
A rectangular prism has a volume of 6.84m cubed and a height of 1.2 m. What is the area of the base of the prism? Is my answer 5.7 or am I wrong 
Math
2.25 my answer??? 
Math
A rectangular prism has a volume of 9 inches 3 cubed. The area of the base is 4 inches to 2 cubed. What is the height of the prism? Please show the steps to get the answer 
Math
2.25 is my answer ???? 
Math
A rectangular prism has a volume of 7.875 m to 3 cube and a height of 3.5m . What is the area of the base of the prism? Please show me each step to get this. Please 
Math
A lunch box has a volume of 221 inches 3. The height is 4 in. And the width is 6 1/2 in. What is the length 
Math
Thanks 
Math
A rectangle prism has a volume of 6.84m^3 and a hight of 1.2m. What is the area of the base of the prism. Please show all steps in doing v this. Please 
Algebra
Write a number puzzle that is associated with these equations. Then solve the puzzle X+y=10 ×+2y=8 Help me 
Algebra
I'm not sure I understand 
Algebra
Where do the graphs of the following equations intersect?? X+y=5 2×+2y=10 Is it 0,5 
Algebra
Consider these equation and inequalities 2/3x=1/3x+1/4 2/3x <1\3x+1/4 2/3×>1\3x+1/4 Evaluate 2/3 x for x= 1/2 Evaluate 1/3x+1/4 for x= 1/2 Evaluate 2/3 x for x= 2 Evaluate 1/3x+1/4 for x=2 
Algebra
H>5x8 H=45 H=50 H=66 
Algebra
How many small triangles are in a triangular grid that has 20 units on a side. Please show me a formula to figure it out . Thanks 
math
two busses both leave from the same station the blue line leaves every 15 minutes and the red line leaves every 20 minutes if both busses leave the station at 9:15 AM what time will it be when both busses leave at the same time again 
Math
A nurse has two solutions that contain different concentrations of a certain medication. One is a 20% concentration and the other is a 5% concentration. How many cubic centimeters of each should he mix to obtain 10 cc of a 18.5% solution? 
science
Which of the following is created when the ice of a comet starts to melt into gases? 
Chemistry
A substance has a molecular formula of C8H10N4O2. The empirical formula is  
Math help! Hurry Please~
Does anyone know what 7 is? 
American Government
correct on pearson connexus 
Science
What is equation between ethanethiol and methoxide ion? 
American Government
A C C 100% correct on pearson connexus 
history
this is the pearson connexus answers B A D A,C D C A,B A B D 
Calculus
Imagine making a tent in the shape of a pyramid. Assume we want the volume to be 2.2m3 to sleep two or three people. Draw a picture identifying all appropriate variables. The floor of the tent is cheaper material than the rest: assume that the material making up the dome of ... 
HELP HISTORY
deadass just got a 30% 
Math
And which situation what do you need a percent less someone to solve a problem? 7th Grade Pre Algebra 
History
Which statement best explains why in the early days of colonization, Native American tribes did not band together to fight European conquerors and settlers? A: Native American tribes competed for resources and were independent of each other. B: European missionaries had ... 
Science
What eletromagnet wave not used for coumintcation plz help 
Social studies.
Thank you so much.. 
Social studies.
John C. Calhoun proposed that neither Congress nor local governments had the authority to ban slavery from a territory but why i need to know plz help... 
science
when solid aluminum is heated with chromium(II) oxide, solid chromium and aluminum oxide are produced. If you are using 125 g of aluminum and 225 g of chromium (II) oxide, how many grams of chromium are produced. If you actually collect 110g of chromium wht is the percent yield? 
Science
A jar contains 100 mL or a 4.0 M silver nitrate solution. What mass of solid copper would you add to bring all the silver out of the solutions as a solid? 
math
If you draw one card at random from a deck of 18 cards numbered 1 through 18, inclusive, what is the probability that the number you draw is divisible by 6? 
Math
One ball is drawn at random from a bag containing 2 red balls and 8 white balls. (a) What is the probability that the ball is red? Correct: Your answer is correct. (b) What is the probability that the ball is green? Correct: Your answer is correct. (c) What is the probability ... 
Physics
Please solve and answer. Need done ASAP. A speeder passes a parked police car at 35.0 m/s. The police car starts from rest with a uniform acceleration of 2.39 m/s2. (a) How much time passes before the speeder is overtaken by the police car? __ s (b) How far does the speeder ... 
PHYSICS HELP
Determine the normal force for a laundry basket with a mass of 4.5 kg in each of the following situations (a) at rest on a horizontal surface? __ n (b) at rest on a ramp inclined at 12° above the horizontal? __N (c) at rest on a ramp inclined at 25° above the ... 
Physics
A 2.92 kg block starts from rest at the top of a 30° incline and accelerates uniformly down the incline, moving 1.93 m in 1.60 s. (a) Find the magnitude of the acceleration of the block. __ m/s2 (b) Find the coefficient of kinetic friction between the block and the incline... 
Physics
Determine the normal force for a laundry basket with a mass of 4.5 kg in each of the following situations... (a) at rest on a horizontal surface? ___ N (b) at rest on a ramp inclined at 12° above the horizontal? ___ N (c) at rest on a ramp inclined at 25° above the ... 
History
And giving all "answers" out like that is 100% cheating and can get you into huge trouble. 
History
Just saying but I am taking a test right now which is probably what Bilbo is talking about but I would not and do not trust his answers because I have proof that #2 on his answers is wrong. 
Math
Please help Ms. Sue! 
Math
The table below shows the number of marbles of different colors in a box. A fair coin is shown below the table. Color of Marble Number Red 10 Blue 1 Green 5 Pink 4 A coin Dan selects a marble from the box randomly without looking and then tosses the fair coin. What is the ... 
Physics
A rocket moves upward, starting from rest with an acceleration of 34.4 m/s2 for 4.40 s. It runs out of fuel at the end of the 4.40 s but does not stop. How high does it rise above the ground? 
Math
That's what I got 
Ms. Sue...
Are you a teacher? 
Language
Ms. Sue, can't you explain what it means? 
math
i actually think 100 is the answer i marked the wrong one, sorry 
math
which number is a perfect cube? 1. 5 2. 100 3. 125*** 4. 150 
math
idk 
General Chemistry
Sodium Hydroxide reacts with hydrobromic acid to yield two products. Write out a balanced molecular reaction, overall ionic reaction and a net ion reaction. I have the molecular reaction, which I got: NaOH + HBr > NaBr + H20 Correct? Any help with the next two? 
Math
Sara is making cookies and the recipe calls for 2 1/2 (2.5) cups of sugar to make two dozen cookies. How many cups of sugar will she need to make five dozen cookies? Express the answer as a mixed fraction and as a decimal 
civics
Its D. I am doing the same test and D seems like the most logical answer for what my teachers are looking for, I'm in 8th Grade taking a segment test so I know this kind of stuff. 
civics
Ms. Sue, you could at least give Nani a hint, I am having problems with this question too and you being rude saying, "Nope. I've checked two of your wrong guesses. Now you're on your own." does not help anyone. Get rid of your attitude and help Nani and ... 
math
42.5ft* 
math
well if one inch is five feet, then 8 inches would obviously be 40 feet right? and half of five is 2.5, so add 40 plus 2.5, your answer is 42.5. 
Math
a 150day loan for $2,500 has interest of $57. Find the rate to the nearest tenth of a percent. a. 3.2% b. 24.4% c. 10.4% d. 5.5% Please walk me through on how you got the answer. I have tried, and can not figure it out. 
health
what is atmospheric pressure? Is it d? 
L.A
HAHA that's not cheating at all. how about you do your own work. 
sci
Damon is correct, the answer is D. This must be for people in Connections Academy. I just did the quick check. 
MATH 100
10 times 9 = 90ft apart 
Chemistry
What is the molar mass of 0.500 g of unknown monoprotic acid used in titration, if 22.5 mL of 0.15 M NaOH solution was required to neutralize it? I do not need the answer, but instead an example of how to do a question just like it. 
algebra
solve this word problem. a bank offers two accounts. Their local plan charges $7 monthly service fee plus $3 for each transaction. There Anywhere plan charges $23 monthly service fee plus $1.75 per transaction. For what number of transactions per month will the Anywhere plan ... 
BIOLOGY
What are the possible gametes produced by the individual SsYy? 
Social Studies
B is correct, I'm in 8th grade, I learned this in 6th grade... B is right. 
physics
A ball is thrown straight up with an initial speed of 60 m/s. How high does it go? Assume the accelera tion of gravity is 10 m/s22 
ss
Thanks Ash 
Civics
THANKS! I also needed help on this one Ms. Sue! Thanks so much! 
civics
So the answer would be B? 
civics
Which of the following describes how features of countries in north america influence change in these countries ? A.Most have flat terrain, making railroads the least expensive method of transporting goods. B.with oceans on both sides, most countries have access to many sea ... 
math
Ms. Lynn is cutting a piece of bulletin board paper into strips. What size pieces should she cut so that she has the fewest number of strips? 
math
What magic trick dies mr.utterbunk perform every evening 
biology
The agricultural research facility during a research accidentally changed the DNA sequence of a wheat plant from GCCATGTT to GCGTACTT and this mutation resulted in a stronger plant variety. What kind of mutation did the plant undergo? 
English 9  HELP!
I have the answers to this particular test :) I can help you solve them or just give them if that's possible here! 
Chemistry
A student walks at a brisk 3.50 mi/hr. Calculate the student's speed in yards/minute. I have 4 questions just like this one. Could you tell me step by step on how to do the double conversions? Thanks! 
Chemistry
A student walks at a brisk 3.50 mi/hr. Calculate the student's speed in yards/minute. I have 4 questions just like this one. Could you tell me step by step on how to do the double conversions? Thanks! 
Math
9.0 
Math
A diet is to include at least 140 mg of vitamin A and at least 145 mg of vitamin B. these requirements can be obtained from two types of food type X contains 10 mg of vitamin A and 20 mg of vitamin B per pound. type Y contains 30 mg of vitamin A and 15 mg of vitamin B per ... 
Math
The cruiser bicycle company makes two styles of bicycles the traveler which sells for $200 and the Tourister was sells for $600 each bicycle has the same frame and tires but the assembly and painting time required for the traveler is only one hour while it is three hours for ... 
math
32 
history
Don't include fire. The Catal Huyuk village was built near 3 volcanoes. Pretty sure there would be fires. 
Physics
How is it that ships made largely of steel can float when the density of steel is much higher than the density of water? Why is it possible to make oil tankers much larger than other ships (and what happens when an oil tanker is unloaded?) 
Algebra
Okay this is the problem: 4x+2y=32 x+2y=20 I got this: 5x+4y=52. Is that my answer??? 
Algebra
Thank you Steve! 
Algebra
2x3y=34 3x+3y=24 May someone please help me? 
History
Is American invasion in Iraq justified? 
Math
3(5x+6)=57? 
Math
Thanks you Kuai! (: 
Math
Please help me I am tired and I have sooo much homework! ): 
Math
7(3+5x)=399? I'm confused please help me! 
Math
7(3+5x)=399? I'm confused please help me! 
Math
Thank you so much, my hw is all mixed equations so yeah. 
Math
Help please!!! 4x9=5x99??? 
Math
Thank you so much! 
Math
okay i got stuck on "5xx=17"?