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Posts by samantha

Total # Posts: 1,702

Reasoning
John walks 7 blocks west and then 13 blocks north, then makes a right and walks 7 blocks east and makes another right and walks 15 blocks south. How far is John from his previous location? (13-7)(15-7) 6-8=2 I just don't know if it's 2 blocks south or north

5th grade math
The cost of 5 similar digital cameras and 3 similar video cameras is $3213, Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he pay?

Biology
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heterozygous plant (Tt) is crossed with a homozygous tall plant? A. 100% B. 75% C. 50% D. 25% i think its A because ...

Math
I believe it's 208. I did the math by myself and I'm only 11

math
11

AMERICAN GOVERNMENT
In a situation like this, why might state employment levels go up, even when federal activity might be going down? Provide at least one (1) reason with support.

Math geometry
Given AB intersects BD <EFG and <CBD are complementary prove <EFG complements <ABC

science
Thank you so much cutie you saved my grade!!!

algebra
If x2 = 20, what is the value of x? ±square root of 10 ±square root of 20 ±10 ±40

algebra
Those are the only multiple choices

algebra
If (92)p = 98, what is the value of p? 2 3 4 6

Algebra
how do u find it

math
writing expressions mandy collected from 28 subscribers on Monday and from a subscriber on Tuesday

math
The unit rate is not valuable?

math
so now i got all the factors now what are factor strings

math
um.. well for the factors i got 5x168 and i still don't know what factor strings are

math
please answer

math
name all of the factor and factor strings of 840

Math
1.Suppose you have socks loose in a drawer. You have a black sock, a gray sock and a tan sock. How many outcomes are there for selecting 2 socks? a.Make a tree diagram to model the selection of 2 socks WITHOUT REPLACEMENT. (That is, you keep the sock out of the drawer and ...

Math
That's the answer I got as well. College Math (A.S. Early Childhood Education)

math ( having difficulty)
Superior has provided the following information for its recent year of operation: The common stock account balance at the beginning of the year was $18,000 and the year-end balance was $19,000. The additional paid-in capital account balance increased $4,300 during the year. ...

math (please help)
A company's retained earnings increased $375,000 last year and its assets increased $973,000. The company declared a $79,000 cash dividend during the year. What was last year's net income?

algebra
A rich merchant had collected many gold coins. He did not want anybody to know about them. One day, his wife asked, "How many gold coins do you have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 25 times the ...

algebra
Of the 30 officers on traffic duty, 15% didn't work on Friday. How many officers worked on Friday?

algebra
. A rich merchant had collected many gold coins. He did not want anybody to know about them. One day, his wife asked, "How many gold coins do you have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 25 times the ...

algebra
x/45+(250-x)/120=3

algebra
An executive drove from home at an average speed of 45 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 120 mph. The entire distance was 250 miles; the entire trip took three hours. ...

math
Y less than 18 times 6

Statistics
5. For the data presented below, answer the questions that follow. Score on political Score on current Individual awareness test events test 1 24 23 2 16 12 3 11 11 4 9 6 5 8 13 6 14 11 7 17 16 8 19 16 9 21 21 10 25 25 11 18 11 12 13 13 13 11 14 14 6 10 15 9 10 16 12 7 a. ...

Statistics
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch, darkening in the ...

writing skills
I am confused on how work citation is to be done.My essays keep getting return.I just need an example of how to do it.

geometry
  In the accompanying diagram, triangle ABCis similar to triangle DEF, AC = 6, AB = BC = 12, and DF = 8. Find the perimeter of triangle DEF.   it an isoslese triangle 6 and 8 are both base my work 6+2=8 12+2...

math (algebra)
In Professor Tuffguy's mathematics class, 36 students took the final exam. If the average passing grade was 78, the average failing grade was 60, and the class average was 71, how many of these 36 student passed the final?

math (algebra)
x^32-1=(x^16+1)(x^8+1)(x^4+1)(x^2+1)(X+1)(?) Find ? .. How do I do this?

math (algebra)
In a certain circle, the length of a radius is equal to the reciprocal of the length of a diameter. What is the area of this circle?

math (algebra)
How many different numbers stisfy the equation (x-2)^2(x-1)^3(x+1)^4(x+2)^5 = 0 I really need help. Thanks!

Peninsula college
Wendy is traveling 120 miles away from chasity. They are traveling towards each other. If chasity travels 4 mph faster than Wendy and they meet after 4 hours, how fast was each traveling?

Algebra
You and 3 of your friends went to a zoo with a coupon for $10 off the total price of your tickets. If you paid a total of $17 for 4 tickets, how much would you (individually) have paid without the coupon?

Math - Statistics
The proportion of red M&M's made is 0.24. Suppose one took a random sample of 51 M&M's. (a) What is the probability that an SRS of 51 M&M's has as its proportion of red M&M's 0.23 or below? (b) Find the 80th percentile for sample proportions of red M&M's in...

Algebra II
The sides of a triangle are in the ratio 5:12:13. Describe the length of the shortest side if the perimeter is not more than 120 inches.

math help please
Sue Stitch buys a sewing machine. The price, including tax, is $575.00. She finances the sewing machine over 24 months after making a $25 down payment. The true annual interest rate is 15%. What are Sue's monthly payments (principal plus interest)?

chemistry
Ksp fo CaSO4 is 6.1*10?-5. how many grams of CaCl2 must be added to 500ml of 0.010M H2SO4 to just start preciptation of CaSO4? I cant figure this out at all.

Chemistry
Thanks! I got it now

Chemistry
Equilibrium constants at 25 ∘C are Substance Kc Value of Kc CaCO3 Ksp 4.5×10−9 H2CO3 Ka1 4.3×10−7 Ka2 5.6×10−11 What is the molar solubility of marble (i.e., [Ca2+] in a saturated solution) in acid rainwater, for which pH=4.20?

Chemistry
I still cant figure this out.

Chemistry
I have the molecular formula C4H4O4. and I know that there is 2 ionisable H ions but I don't know where to go from there.

Chemistry
Item 1 Maleic acid is a carbon-hydrogen-oxygen compound used in dyeing and finishing fabrics and as a preservative of oils and fats. •In a combustion analysis, a 1.054-g sample of maleic acid yields 1.599 g of CO2 and 0.327 g of H2O. •When 0.609 g of maleic acid is ...

Chemistry
What is the pH change of a 0.220M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.155M with no change in volume?

Math
I do not understand

physics
Two metallic spheres, each with a mass of 0.46 g are suspended as pendulums by light strings from a common point. They are given the same electric charge, and the two come to equilibrium when each string is at an angle of 5.2° with the vertical. If the string is 21.0 cm ...

ART
Thank you!

ART
HEllo i need help on mixing colors because at school i don't have enough of the needed colors. So plz tell me how to mix and get : Orange Green Yellow BROWN! (For the big tree im drawing) And purple thank you and answer ASAP plz!

College Chemistry
Thank you so much

College Chemistry
Calculate the unknown of Ag+ if the potential of the following concentration cell is 300 mV at 25.0 C. Ag|Ag+(unknown)||Ag+(0.100M)|Ag I think I have to use Nernst Equation of Ecell=E0-.0592/nlogQ And at 25C is at 298K so i don't have to change anything. I am not sure if i...

math
Thanks Me

Math
Is 2^9 * 3^12 * 5^6 * 7^3 a perfect cube? How do you know by just looking at it?

math
yeah i just 87.5 % with b,d for #5. it's B,E

Social Studies
How would the Philippine government respond to an insurgency? A. the government would try to work with their members. B. the government would want to support it. C. the government would ignore it. D. the government would fight it fiercely. D?

Algebra
kyle drops a ball from a height of 15 feet above the ground. The function h = -16 f2 +15 gives the height h of the ball (in feet) after t seconds. Graph the function to determine at about what time the ball hits the ground

chemisty
A cylinder with a moving piston expands from an initial volume of 0.350L against an external pressure of 2.70atm . The expansion does 251J of work on the surroundings. What is the final volume of the cylinder?

MicroEconomics
A firm currently uses 50,000 workers to produce 120,000 units of output per day. The daily wage per worker is $100, and the price of the firm's output is $48. The cost of other variable inputs is $400,000 per day. (Note: Assume that output is constant at the level of 120,...

chemistry
2 HI + Li2S2O4 ¨ H2S2O4 + 2 LiI this is what I got and it says I'm wrong? I don't understand why

chemistry
Write a molecular equation for the gas-evolution reaction that occurs when you mix aqueous hydrobromic acid and aqueous potassium sulfide.

chemistry
Write a balanced equation for the reaction between perchloric acid and lithium carbonate.

linear algebra-urgent
could you explain how you got 55/25

linear algebra-urgent
1)let w=[3;4] and u=[1;2] a) find the projection p of u onto w. I found this to be p=[1.32;1.76] b) find a scalar k for which the vector kp has a norm that is equal to one. k=? d)find a vector that is orthogonal to span{w} s=? how do I do this

history
Can you edit my editorial for grammar punctuation, spelling etc? Samantha Witkowski CHC 2D Mrs. Buyers April, 4, 2015 Aboriginal Opinion Editorial On going years of mistreatment to Aboriginals have been heavily weighed and debated amongst the Canadian government. This ...

chemistry
Hello! I am struggling a bit with this problem A gas sample occupies 51.6 L at a pressure of 0.841 atm and 39.6 ºC. What is the amount of gas (mol) in this sample?

chemistry
How many molecules (not moles) of NH3 are produced from 3.55×10−4g of H2?

chemistry
How many grams of sucrose (C12H22O11) are in 2.50L of 0.710M sucrose solution?

Chemistry
Write a balanced equation for the combustion of gaseous ethylene (C2H4), an important natural plant hormone, in which it combines with gaseous oxygen to form gaseous carbon dioxide and gaseous water

algebra
A gold ribbon is to be placed around the outside of each rectangle of the frame. Write a polynomial expression to represent the amount of ribbon needed.

itzel
i think she means simplify. If so, it would be 4/11

calc
Suppose the derivative of a function f is f '(x) = (x + 2)^4(x − 3)^7(x − 4)^6. On what interval is f increasing? (Enter your answer in interval notation.)

Criminal Justice
Is it c? Sorry these are hard

Criminal Justice
16. Conviction rates for indigent defendants and those with their own lawyers were about the same in Federal and State courts. About __________% of Federal defendants and __________% of the defendants in the most populous counties were found guilty regardless of the type of ...

Criminal Justice
I think it is A ? Would that be correct?

Criminal Justice
15. Which of the following is not an example of an ethical dilemma a defense attorney may face? A) the prosecutor's winning record. B) client perjury. C) defense receipt of physical evidence. D) a confession in confidence.

Criminal Justice
. In 1215 the __________ was signed. Its article 39 provided a basis for modern juries. A) European Charter B) Charter of Liberties C) Articles of Confederation D) Magna Carta

Criminal Justice
Thanks!

Criminal Justice
D ? Is this correct?

Criminal Justice
. The __________ who conquered England in 1066 used procedures that set the stage for modern juries. A) Romans B) Greeks C) Huns D) Normans

Criminal Justice
. The __________ was the first governing document in the United States. A) U.S. Constitution B) second Constitution of Congress C) Twelve Tables D) Articles of Confederation

maths
express 40% of right angle into radian measure. express two third of straight angle into radian. express sum of angles of a quadrilateral intoradian.

health. please help! #6
Guys america is right don't listen to connections academy whiz I got 100% a with americas answers!!!! Thanks man.

language arts
Why are you guys lying? You're making other people fail. The answer is A, not C. If you took the test and it's wrong then stop spreading the wrong answer along to everyone else. That's extremely happy immature.

physics
A system of 1216 particles, each of which is either an electron or a proton, has a net charge of -5.920×10-17 C. A)How many electrons are in this system (exactly)? B)What is the mass of this system (to three significant digits)?

Science
God bless your soul Nicky!!!!! 100%

physics
A charge q1 is inside a spherical surface (although not necessarily at the exact center of the sphere). A second charge q2 sits just outside the surface. Choose whether the following statements are true or false. T/F The total electric flux through the spherical surface ...

Biology Ms sue
1.which of the following is a renewable resource? (A.wind) B.fossil fuels C.minerals D.land 2.The goal of -----is to use cells and tissues to treat human illnesses or injuries. A.clone (B.therapeutic cloning) C.reproductive D.gene therapy

Biology
1.Which of the following is a renewable resource? A.wind B.fossil fuel C.minerals (D.land) 2.The goal of -------is to use cells and tissues to treat human illnesses or injuries. A.clone therapy B.therapeutic cloning (C.reproductive cloning ) D.gene therapy

Writing Skills Part 4
2.which of the following would most likely be an entry in a topic outline? A.Toys can be gender - neutral. *B.Toys children love C.Quality toys should require some imagination D.It's possible for toys to be both educational and entertaining. Thank you for your help Write a...

Writing Skills Part 4
1.When creating a writing plan,which of the following should come first? *A.Material that will capture the reader's interest B.The first section of the body of the essay C.A brief summary of the conclusion 2.Which two things must be accomplished by the introduction if the ...

Writing Skills Part 3
1.Under the Library of Congress system,where would you begin to research for books on the legal system of Greece? A.E B.k C.U [ D.G] 2. You've located three books on a topic you're researching for an essay.The first thing you should do in determining if any of these ...

Writing Skills Part 3
1.Under the Library of Congress system,where would you begin to search for books on the legal system of Greece? A.E B.k C.U [D.G] 2.If a source is reasonable,we know A.The information offered up-to-date,factual detailed,and precise. [B.We can trust and believe author.] C.the ...

physics
A radio station, broadcasting at 89.1 MHz on the FM dial, has two transmission towers d = 40.0 m away from each other, producing signals that are completely in phase. An avid fan of this station is listening to it on her portable radio while jogging directly toward one of the ...

Math
Find the volume of the solid that is obtained when the region bounded by the curves x=9-y^2, x=y^2+1 and y=0 is rotated about the line y=-2. (the upper shape above the x-axis)

chemistry
A student is performing an experiment to find the density of water. She obtains a 100ml beaker, which weighs 53.257 grams, and she fills it with 60 mL of water. The temperature of the water is 25.5 degrees celsius (room temperature). Again the student takes the weight of the ...

physics
Galileo's first telescope used a convex objective lens with a focal length f = 1.65 m and a concave eyepiece. When this telescope is focused on an infinitely distant object, and produces an infinitely distant image, its angular magnification is +3.11. What is the focal ...

Science
wheres the freakin answers alexis

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