Algebra, help + check please
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Math, Algebra
Can you please help me! I solved it, but I'm not sure if I'm right.  Paulo pays $45.99 per month for unlimited calls, with additional charges for text messages. His bill for 4 months is $207.96. If he sends 100 texts each month, how much is he ... 
physics please please please please please
a block of mass 2.50 kg rests on a ramp. if the coefficient of static friction between the block and ramp is 0.350, what maximum angle can the ramp make with the horizontal before the block starts to slip down? 
english
Can someone check my work for me, please. 1.Yesterday he was very busy since he had been fixing the TV from noon. 2. He left for the day before I arrived. He had been waiting for me almost a week. To regret, I couldn't come earlier. 3. When Anna entered the living room, ... 
Math
Can you please check these problems? 1. 5ã28+2ã45=_____ I got 10ã7+6ã5 2. 4ã75+3ã147=_____ I got 1ã21 3. 11ã87ã12=______ I got 11ã814ã3 4. ã1505ã96 I got 15ã6 5. 9ã136ã11+ã13=___ I got 6ã11+10ã13 
Math
If it costs $75 to buy 3 video games, how much money will Jordan need if he wants to buy 12 video games? $75.00/3 video games=$25.00 for 1 video game $25.00 x 12 video games=$300.00 for 12 video games Can you please double check my answer to see if I got it correct. Thank you 
Algebra 2
Can someone check my answers? 1. Convert 13pi/30 to degree measure. 78° 2. Find the distance between (4,4) and (8,7). 5 3. What is the vertex of the parabola y = (x + 8)^2  2? (8,2) 4. The graph of y = 6(x  8)^2 + 1 open downward. False. 5. An angle that measures pi ... 
check my set up please, trig
Sarah holds the end of her kite string 5 feet off the ground. The kite string makes a 43 degree angle of elevation with the horizontal and the kite is 105 ft. off the ground. How long is the kite string to the nearest tenth of a foot? cos43=100/x ? 
E.L.A. PLEASE CHECK!
Which choice best describes the underlined word or words in each sentence? The ancient Sumerians, Egyptians, and Chinese each developed a unique system of writing. Underlined is: Sumerians Egyptians Chinese A simple subject B compound subject C complete subject D none of ... 
Math
The total weight of the shape blocks on both sides of Kim's pan balance equals 30 grams. Circles weigh 5 grams, squares weigh 10 grams, and triangles weigh 3 grams. The right side has circle and square. How many triangles are on the left side? A) 5 B) 4 C) 6 D) 10 Answer is 5... 
Quick english help
Please check each of my answers from these short stories in "The House On Mango Street". Please correct me if I'm wrong! "Meme Ortiz" 2. What does the fact that Meme and his dog both have two names reveal about the neighborhood? A. People are desperately poor so they use their... 
For Hellpp  Algebra 2
I removed your original post because of an inappropriate name. Please  in the future do not string out your name across the page. _________________________________ Homework Help Forum: Algebra 2 Answer this Question  Responses Posted by ... 
Physics
A. Suppose you had an object that you suspected had a mass of one half of one of the washer+paperclip units. (In the rest of this problem we’ll call that a “washerclip.”) Describe how you could use the balance you used in tutorial and a single washerclip to check this. B... 
trig/math
3. Draw vectors u and v tailtotail so that they make a èdegree angle. Draw the vector u − v, the third side of the triangle, and check to see that it points in the right direction. (a) Solve for cos è using the SSS version of the Law of Cosines, expressing all ... 
Spanishplease check
had to make up questions using the past tense of decir,querer, hacer 1. ¿Qué dijo el doctor ayer? 2. ¿Qué hicieron los profesores ayer en la escuela? 3. ¿Quisiste mirar la pelicula ayer? 4.Tú quisiste un coche nuevo? 5. ¿Tú quiciste la tarea ayer? 6.¿Tú quisiste ... 
geography
Will you please check my answers? 1. The largest lake in the world is located near the border of Asia and Europe. What is its name? Caspian Sea 2. What is the name of the country that shares the Iberian Peninsula with Spain? Portugal 3. Name the Great Lakes that border Canada... 
Algebra
I need help on this one too, please. Solve for X. 3x2y=6 I got x=6+2y/3. My question is this: Can this be reduced down to x=2+2y? You really need to use parentheses here. x = (6+2y)/3 or you might want to show it as 2+(2y/3) or 2+(2/3)y 
algebra
Could someone please help me to slove this question. (2y/x^2)+(7/x(x3)) get a common denominator (x^2*x*(x3)), combine the fractions. Notice there is a y in the first numerator, and no y's in the denominator. Consequently, there will not be a lot of simplification on this. 
algebra...please help me!
with the decimal that equals pi....(3.14....) until the 2 hundreth decimal place..how does the cumulative frequency column be used for a project like this one..???? the number is...(pi) 3.... 
algebra
I am given the perimeter of the rectangle. It is 96cm. The length is 3 times the width. What are the measurements of the 4 sides of the rectangle? I need the formula please.The answer is 12 and 36, I think. 
algebra
let the function by y = ax^2 + bx + c and sub in (1,2),(2,7), and (3,15) this gives you 3 equations in 3 unknowns which solve quite nicely to a = 3/2 b = 1/2 c = 0 so the function is y = (3/2)x^2 + x/2 or y = (3x^2 + x)/2 can somone please explain to me how this person got a/b... 
PreAlgebra
I need help with this one question; can someone please help? Give any three ordered pairs that are solutions of the equation: 2x  3y= 12 I already have one (9,2) Thanks! MC 
Algebra
Please Simplify: (root5 a^7/2)^4 a^3/a^8 So confused, I tried figuring this out but need some help tracing the steps. I would appreciate some feedback! Thanks! 
Algebra II
The answer for (7+5i)+(4+2i) is 3+7i. But I got 386i. I combined 28 and 10i^2 to get 38, and I combined 20i and 14i to get 6il So all together this was 28+6i+10, which resulted in 386i. Could you please tell me where I went wrong? 
PreAlgebra B
The selling price of a bicycle that had sold for $220 last year was increased by 15%. What is the new price? Please answer within 510 minutes. 
algebra
Solve the following equation: k2 + 4k = 0 By factoring and By using the quadratic formula Can someone please help me to understand how to this problem...I do not understand the steps to get the correct answer. Thanks!!! 
Algebra
Is this equation true or false? Why? 204ã2=16ã2 With like radicands should I add the 4 to the other side of the equation? I'm really lost. Can someone please explain this to me? 
AlgebraAnother question
Evaluate 4log(4)8 Possible answers are: 4 0 8 1 Where do I startI don't have an example to follow? Please give me a direction do I evaluate log(4)8 first 
MATHALGEBRA
What's the slopeintercept equation of line which is parallel to y = 2/5x3 and passes through point (0,5) A. y = 5/2x  3 B. y = 5/2x + 5 C. y = 2/5x + 3 D. y = 2/5x + 5 Its D, but how do u figure that out? please explain step by step. 
prealgebra
Find the slope of the line containing the given pairs of points. If the line is undefined, state so. Please show all of your work. (5, 2) and (7, 2) 
Algebra
How far in miles is a line of 1,000,000 pennies. Please show chart with 5 instances. Define a variable and write an algebraic expression. 
Math,Word problems(algebra)
Kai Ling has 4m kg of flour.She bought 2 more packets of flour, each of mass m kg.How much does she has now in terms of m? Please help me 
algebra
Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work. (1, 2) and (9, 12) 
College Algebra
Verify that the function f and g, are inverses of each other by showing that f(g(x))=x and g(f(x))=x. Graph both the functions on the same graph. Please show all of your work. f(x)=7/x4 g(x)=4x7/x 
Algebra/%%$#!!!
F(x)=1/4 (x+7)^2+7 Looking for the vertex and the max or min for the above..? f(1/2)=19/2, did I find the vertex? (6x^25) ( x^76) using FOIL. I came up with 6x^95x^736x^2+30 please tell me I'm right if not what the heck did I do? Thanks... 
Algebra
Solve the inequality and express the solution in terms of intervals whenever possible.  x+3  < 0.01 I know the answer is : (3.01,2.99) Please show me how to solve this type of math problem. 
algebra
Solve the formula for the variable given. P = rc/n solve for c. (business) I have worked this problem so many times I'm getting confused. please help. Thanking you in advance 
Algebra
Calculate elements the listed element for the product matrix. matrix[1, 2, 3_3, 4, 0_9, 7, 8_9, 3, 2]Xmatrix[11, 7, 9, 5_5, 9, 1, 6_4, 2, 3, 8] Can someone please help me with this. I'm desperate. 
Algebra help PLEASE? first and ONLY question
Which of the images above represents a proof pf the Pythagorean Theorem? Explain your choice, and then explain how the figure proves the PT. 
Algebra
Find the coordinates of the midpoint of the hypotenuse of the right triangle whose vertices are A (1,1) B (5,2) C (4,6) and show that it is equidistant of each of the vertices..... And can you please tell me how to prove it in drawing.... 
algebra/please can you ck my answers
Tell what the output value is for the function machine for the given values. log 16.9=1.23 log2^152=9 log2^1=0 log0.046=1.34 thank you 
Algebra ll
Please help!! I do not understand any of this!! Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f. Degree 4; zeros: 8,6i 
Algebra ll
Please help!! I do not understand any of this!! Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f. Degree 3; zeros: 8, 6i 
Algebra
I found three points of the equation x2y=b which were (4, 2) (0,4)(4,6) But the question further asks to convert the equation of the new line to standard form ax+by=c. I'm so confused. Can anyone please help? 
Algebra
I've tried figuring this one out by grouping and by moving some terms around, but I still cant figure it out. Help me please! factor completely ax+bx2a2b 
Algebra 2
Describe an infinite geometric series with a beginning value of 2 that converges to 10. What are the first 4 terms of the series? Last question and my mind is fried, can someone please help me? Thanks 
algebra
Will someone please simplify and clearly define the terms "Rate," "Time," and "Work done," as it relates to the work done by one or more persons. Thank you so much! 
Algebra
Solve by using your knowledge of the Distributive Property and combining like terms. 1. 5x(9x10)=34 4x10=34 4x=44 X=11 Did I solve this correctly? If not can someone please show me how to get the correct answer? 
Algebra
As cars passed a checkpoint, the following speeds were clocked and recorded. Speed (mph): 55 62 61 54 68 72 59 61 70 what's the range? , 1st quartile and 3rd quartile? please. 
EnglishEssay Writing
If someone could check this for me please. I'm writing an essay on To Kill a Mockingbird and have to have 3 conjunctives that follow the patternsemi colon, conjunctive adverb, comma. I'm hoping I don't have to write the whole sentence so here goes: be killed; there, we are ... 
Algebra 1
4n2+7n=20 can you please tell me step by step how to do this 
algebra
2t+1=3 it one of the following, but which one? A) 1 B) 1 C) 2 D) 2 please help Me!!!!! 
algebra
10x^910x^7+25x^3/5x^3 Please Help. 
Algebra
Could you please explain how to do 3/2(z+5)1/4(z+24)=0, stepbystep? Thank you!!! 
algebra
Please Justify. 8=2x3 8+3=2x3+3 11=2x 11/2=2x/2 5 1/2=x Show me how to justify 
algebra
2(a4)+15=13 Please show step by step 
Algebra
"Are the lines y=2x6 and the lines and 2y=4x+12 parallel ?" Help me please. 
algebra 2
SOLVE= log[6](x+3)+log[6](x+2)<2 A)6<x<7 B)6<x<2 C)3<x<7 D)2<x<3 PLEASE HELP!! 
Algebra help please
Let f(x) = 5x  4 and g(x) = 6x  7. Find f(x) + g(x) A. x + 3 B. x  11 C. 11x = 3b D. 11x  11 C? 
Algebra
factor x^35x2x^2+10 factor x^22xy+y^216 Please help with these. Thank you! 
Algebra
0.04^(3sqrt(3x+2))=25*5^(sqrt(3x+2)) Please help ASAP 
Algebra : Please Help?
3. How to graph f(x)=3x^21. 4. How to graph f(x)=2\sqrt{x}. 
Algebra : Please Help?
3. How to graph f(x)=3x^21. 4. How to graph f(x)=2\sqrt{x}. 
Check this please
Avondale and Newtown are 45 miles apart. How many inches is this on a map with a scale 1inch=20miles? I set up a proportion: in/miles= 1/20=n/45 n= 2 and 1/4 in on this map 2 1/4 inches is correct. 1 inch = 20 miles 2 inches = 40 miles 1/4 inch = 5 miles =) Thank you for ... 
Math: please check
There are 30 fish in a pond. We know that 13 of these fish are males, 4 of these males are salmon, and there are 8 salmon in the pond. What is the probability that a randomly chosen fish is a salmon, given that it is a male? I think they are just asking about salmon and trying... 
Please Check My Math Answers. Thanks!
Can someone please be kind enough to check my answers? Thanks! :) I put stars by my answers. 1. Calculate the slant height for the given cone. Round to the nearest tenth. Diameter= 8cm Height= 9cm a. 10.2 cm b. 11.4 cm c. 9.8 cm *** d. 12.0 cm 2. Calculate the slant height for... 
English
Can you please check these last two for me. Thank You and have a great evening. The tension that Irene has towards Bellew shows that she does not appreciate the fact that he is an racist individual, who does not take other people's feelings into perspective when he talks. When... 
Physics (please check!)
A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, the plates are disconnected from the battery. Describe the behavior of the ball. Would the ball remain in the center? 
mathscheck my answers
Please check my answers 1) make c the subject of the formula a=b+cdba/d=c 2) make t the subject of the formula u=v+2tuv/2=t 3) make n the subject of the formula m=3n+5m5/3=n 4) make z the subject of the formula x=3y+zx3y=z 5a) make t the... 
algebra. someone please explain to me please!
Alvin can go upstream at a rate of 6 miles per hour and downstream at a rate of 12 miles per hour. One day while Alvin was on the river, he received a call telling him he needs to turn around and come home. So he turned around and went back to his starting point. If his entire... 
grammar
please correct this sentence: A)HOPEFULLY, we B)WILL BE able to complete the building C)BEFORE the rainy seas sets D)IN. E)NO ERROR i already know the answer is A, but i'm not sure why. can u please explain, thanks. I believe the writer means when the "rainy season sets in." ... 
Algebra/ please help!!!!
WAGE$ 17.00an hourANUALLY28,285.28 APARTMENT VALUE 17.34hrs/pay period towards an apartment value of $934/monthANUALLY$11,208TOTAL$39,493.28. My question is: first of all, I get, 17X40= $2,720not 28,285.28, above. ALSO, I am trying to break ... 
Agility Training
Please check my answer thanks :) The organization that excludes mixed breeds from its agility competition is the A. United Kennel Club. B. American Kennel Club. C. North American Dog Agility Council. D. Agility Association of Canada My answer is B 
Math  Exponential
Please check if my answers are correct! Thank you. Differentiate f(t) = √(36 ln(t) + 5t) f'(t) = (1/2) * (36 ln(t) + 5t)^1/2 * (36/t + 5) f'(t) = (1/2)* (36/t + 5)/((36 ln(t) + 5t)^1/2 f'(t) = (36 + 5t) / (2t √(36lnt + 5t))  Find the largest & smallest values... 
language ms.sue could u please check these thanks
suffixes emptyempties monkeymonkeys securitysecurities holidayholidays pitypities friendlyi don't know this one strawberrystrawberries delaydelays birthdaybirthdays saysays vocabularyvocabularies conspiracyconspiracies memorymemories candycandys storystories ... 
Art
Could you please check these few sentences. Thank you. 1) I'm forwarding you the link to the European Etwinning certificate of quality. Online projects carried out between two or more European schools can be eligible to receive both a national (in 2) Our participating students... 
Latin
Check my translations please! 1. Aeneas was ordering the men to run. Aeneas viros currere iubebat. 2. The pretty queen persuades the Trojan to stay. Regina pulchra Troianum manēre persuadet. 3. A tyrant is not able to give freedom to the people. Tyranni populo liberitatem... 
History/Civics
Which quote from the Declaration of Independence shows that the colonists were influenced by John Locke's idea of natural rights? "We hold these truths to be selfevident, that all men are created equal."****** "Governments long established should not be changed for light and ... 
Mathematics
Can anyone check my answers please True or false 927 is divisible by 3 and 9 true 13,012 is divisible by 9 false 7,434 is divisible by 6 false 2,064 is divisible by 2,4,and8 false 96,240 is divisible by 2,3,5, and 10 false Am I right? 
Mathematics
Can anyone check my answers please True or false 927 is divisible by 3 and 9 true 13,012 is divisible by 9 false 7,434 is divisible by 6 true 2,064 is divisible by 2,4,and8 true 96,240 is divisible by 2,3,5, and 10 true Am I right? 
French
Could you please check these thanks god bless. Directions: Describe your favorite outfit, including each item of clothing and its color. Ma l'ensemble favorite est un aeropostale tshirt rose, un short bleu, et des sandales rose. Question: When I put un tshirt, and un short ... 
Math (please check my answer!!)
openstudy(.)com/updates/attachments/514a5d2ae4b05e69bfac38d2mimisilly1363828099165ikk.png The dashed triangle is a dilation image of the solid triangle with the center at the origin. Is the dilation a enlargement or reduction? Find the scale factor. I know this is a ... 
6 grade math
I need help in the setup teacher wants a guess and check table for the word problem. Just the set up I need help on . Please a wood board 156 cm long is cut into three pieces.the two longer pieces are the same length and are 15 cm longer than the shortest piece. How long are ... 
English
I have to add prepositional phrases to the following sentences. Please check to see if correct. 1.The carpenter repaired the roof. 2.The coach explained the play. 1.The carpenter repaired the roof in the house. 2.The coach down the street explained the play. 
Chemistry(Please check answers)
1) The Ka for acetic acid is 1.8e5. What is the pH of a 3.18M solution of this acid? I did 1.8e5 = x^2/3.18 x=sqrt 1.8e5 X 3.18 = 7.56e3 pH=log(7.56e3) = 2.12 The pH is 2.12 2) At 25 degrees celsius, the pH of a 1.75M NaCN solution (the Ka for HCN is 4.0e10) is ? 4.0e... 
Math question and answer check
Consider the probability function. (Give your answers exactly.) P(x) = 5 − x 10 , for x = 1, 2, 3, 4 (a) Find the mean. Incorrect: Your answer is incorrect. (my answer was 1). (b) Find the standard deviation. (my answer was 1 also on this one. Please help, I just cant ... 
Chemistry
Please check the following. 1. What is the empirical formula of the compound C6O6H14? A. C3O3H7 B. CO2H C. C12O12H28 D. COH2 My answer: A.C3O3H7 2. The diameter of an atom is approximately 1x10^10 meter. What is the diameter in millimeters? A. 1 x10^12 mm B. 1 x10^13 mm C. ... 
Math
Ten cousins share 3 pizzas equally. What fraction of a pizza does each cousin get? Answer: 3/10 Four boys share 9 yards of fishing wire equally. How many yards of fishing wire does each boy get? Answer:9/4 Please check on the above answers. 
physics
While blowing its horn of frequency 477 Hz, a car accelerates at 0.94 m/s2. The car starts from rest by your side and moves away. How many seconds does it take for the frequency you hear to decrease by 5%? Hint: Do not forget to include the time it will take for sound to reach... 
Government US
38. Regarding Soviet foreign policy, President Harry Truman believed that the Soviet Union was a. an implacable foe that required direct opposition. b. a regional threat. c. not a threat to its neighbors, Europe, or the United States. d. likely to evolve into a true democracy ... 
Health
@Ms.sue I need your help please You have been having trouble breathing so you go to the doctor to check it out. What important question might he ask you to determine if you have been taking good care of your respiratory system? A. "Do you bathe regularly?" B. "Do you exercise ... 
English
Look at the pictures and mark an O on the picture in which you can do the activity. However, if you cannot do the activity in the picture, mark an X. And then say as follows. (Is the passage above grammatical? Check the sentences,please. Do we have to use 'an' before "O"? Do ... 
Physics (Please check)
Calculate the index (n water) of refraction of water given the angle of incidence and the angle of refraction. I know that the accepted value for n is 1.33 but I am not sure how to calculate the index. Would I use Snell's law: na sin Qa = nb sin Qb? Thank you! 
English
1. He is pretending to try to hit a ball. 2. She is pretending to play the guitar. 3. She seems to pretend to play the guitar. 4. He has put his right fingers around his chin. 5. It seems that he tries to hit a ball. (Are they grammatical? Check them please. Thank you.) 
English
Thank you very much for your corrections. Can you please help me check these sentences, please? 1) Don't write longwinded sentences.Your sentences must contain no more than two subordinate clauses. (or two subordinates at the most?) 2) You wondered off the subject. You were ... 
Algebra
Please help me solve this problem the kinetic energy (k) energy of a moving object with varies jointy with it mass (m) and the squareo of its velocity (v). If an object has an mass of 22.5 kilograms and moving with a velocity of 20 meters per secomd has a kinetic energy energy... 
Math
Could someone please tell me if I got the following problems correct? 1. 7+(9)+(5)+6 = 1 2. 27+14= 13 3. 8+2=3+2 is this statement true or false? I said false 4. Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for ... 
cultural diversity
1. Native Americans are ambivalent about early intervention programs for children with disabilities because they: A. Have a high tolerance for human imperfection. B.have their own tribal healing ceremonies and rituals. C. Believe programs of that type result in greater ... 
SpanishPlease check answer
We are just learning about travel and I'm not sure if I answered these correctlyespecially the second question Cuando vas a otro país necesitas pasar por la ? Would answer be la advana (customs) Tienes que_______el cinturón de seguridad mientras estás en el vuelo. Would it... 
geography
Can you check my answers please? 1. Who has sunrise first, eastern or western Europe? Eastern Europe 2. What is the capital of the country that has a border with Hungary and a coastline on the Black Sea? Bucharest, Romania 3. Is the Arctic Circle closer to the equator or the ... 
English
There are seven books. A series of eight movies based on the novels has been made by Warner Bros. They started making the movies in 2001. The first one was released on November 16th 2001. The second to the fifth were released respectively on 2002, 2004, 2006 and 2007. (Would ...