Questions Asked on
December 14, 2017

Algebra
The reflecting dish of a parabolic microphone has a crosssection in the shape of a parabola. The microphone itself is placed on the focus of the parabola. If the parabola is 60 inches wide and 30 inches deep, how far from the vertex should the microphone
asked by / 
Math
I am terrible at ellipse The base of an auditorium is in the form of an ellipse 200ft long and 100 ft wide. A pin dropped near one focus can clearly be heard at the other focus. Determine the distance between the foci to the nearest tenth of a foot. Show
asked by Please help 
Physics
A box is pushed by a 750 N force that acts at a 30 degree angle with a friction less surface.The force pushes a box that has a weight of 500N a distance of 15 meters. How much work is done on the box?
asked by Ben 
Geometry
Show that triangle ABC is a right triangle. point A: (7,2) point B: (3,3) point C: (4,7) I really don't know how to do this, please help.
asked by Katrina 
Math
I was baking 20 cookies for my family and me. My family has 8 people in it. My four friends came over, and wanted some I said sure. How many cookies could they have if Each person in my family had a cookie?
asked by Mckenzie 
Algebra
1. –9x – 5 = –95 a) 17 b) 11 c) 10 d) –10 2. x/4 – 5 = –8 a) –27 b) –12 c) –7 d) 12 3. x/5 + 6 = 10 a) 44 b) 30 c) 20 d) –20 4. –2(m – 30) = –6m a) –15 b) –13 c) –8 d) 8 5. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1
asked by Baby_Banana 
Physics
What acceleration would a 35 KG box have if we pushed it with a force of 275 N across a surface that has a coefficient of friction of .7?
asked by Vanessa 
Language
Walking is for everyone Walking is a popular form of exercise, and it is growing more popular each year. Walking is good for every age group: the rate of participation does not decline in the middle and later years. In a national survey, the highest
asked by TheVroomin 
Art
1. This drawing was made using what natural resource? A. Clay B. Wax based colored pencils c. graphite pencils* d. watercolors. Heres the link so you can see the image: (put a com after the dot) //imgur./a/dQ7OZ 2. The clay for pottery is usually acquired
asked by Dejavu 
History
What did the first civilization in Asia and Africa have in common? A They emerged along sea coast b. They had organized governments c. They lacked social hierarchies d. They practiced monotheism. My answer is D
asked by Lost 
art
Which of the following would be appropriate criteria for analyzing this piece if art? Answer choices below: A: ability in predicting fashion trends B: creating abstract imagery using exaggeration of proportion C: using warm colors to create mood D:
asked by sdfghjkmsedrftgyhunjm 
history
why did the southern states use poll taxes,literacy tests and grandfather clauses as reconstruction came to end??
asked by Florida girl 
math
The picture shows an orange parallelogram split into 8 equal parts and a green parallelogram split into 8 equal parts. Drag figures so that the total area is equal to the number given.
asked by diamond 
math
Show that a function f(n)= 2n^3+n^2+6n+3 always produces a number that is divisible by an odd number greater than 1, for any natural number, n. 2n^3+n^2+6n+3 = n^2(2n+1) + 3(2n+1) = (2n+1)(n^2 + 3) what's next?
asked by emily 
Statistics
The yearly rainfall in Vancouver, B.C. follows a normal distribution with standard deviation 172 mm. In 20% of years, the city gets over 1200 mm of rain. What is the mean annual rainfall in Vancouver (in mm)? The answer is 1055.5 mm....not sure how to get
asked by May 
math
Show that a function f(n)= 2n^3+n^2+6n+3 always produces a number that is divisible by an odd number greater than 1, for any natural number, n.
asked by emily 
Math PLEASE HELP
Recall that two angles are complementary if the sum of their measures is 90°. Find the measures of two complementary angles if one angle is five times the other angle.
asked by zwgz123 
Algebra
Identify the center and radius of a circle with equation (x+4) 2 + (y2) 2 = 36
asked by / 
Physics
A block is released from rest on an inclined plane and moves 3.2 m during the next 3.9 s. The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the acceleration of the block? Answer in units of m/s2. The block is 12kg and the incline is 36
asked by Lyndsay 
History
Which are examples of judicial restraint in the Supreme Court? Select all that apply. A:The verdict overturns the lower court's ruling and sets a new precedent. B:The verdict is narrowly for the defendant, letting the previous verdict stand.*** C:The court
asked by marylyn 
PreCalculus
Use applications of exponential functions and logarithmic functions to solve. The halflife of plutonium 241 is 14.4 years.If 100 grams is present now, How much will it take to reach 2 grams of plutonium 241? y=a(1/2)^(t/14.4) How do I solve for t? I'm not
asked by Suga 
PreAlgebra
1. Write the fraction 8/9 as a percent. Round to the nearest hundredth of a percent where necessary. A. 88.89% B. 1.13% C. 44.44% D. 66.67% 2. Write 0.063 as a percent. A. 0.63% B. 6.3% C. 63% D. 630% 3. A study in your town found that 54 in 1,762 people
asked by Check Please 
Chemistry 20
which of the following indicators would show an intermediate endpoint of color of orange: bromocresol green, methyl red, phenolphthalein or methyl violet? No clue how to do this. And what does it mean to show an intermediate endpoint. Please help
asked by Sarah 
tech
Which of the following does a histogram resemble the most? A.picture graph B. line graph c. bar graph***** d. table
asked by connxus kid 
PreAlgebra
I would like to have my multiple choice answers checked. 3w10w A.13w B.7w*** C.7w D.7w y=1.2y=1.2z A.2.4yz B.1.3y+1.2z C.1.2y^2+1.2z D.2.2y+1.2z*** 6r+r5r A.2r*** B.1r+r C.0r D.7r5r 5x+2(x+6) A.7x+6*** B.7x^2+12 C.7x+12 D.7x(x+6) 3m+3m(m+6) A.6***
asked by Hi!!! 
history
what's some of the greatest ACCOMPLISHMENTS of William Shakespeare? I've got some down like he wrote romeo and juliet, and hes greatest british writer of all time.
asked by hotdognibba70 
PLEASE HELP, MATH
Determine algebraically if f(x) =(7x2) / (4). And g(x) = (4x+2) / (7) are inverse functions. Show how you know, I do not understand this type of problem i have a test on these tmrw and need some help with how to figure these out pls help.
asked by Anyki. 
trigonometry
If a locomotive wheel with a diameter of 15 meters rolls 11.25 meters,through how many degrees and minutes does it turns?
asked by Hazel 
Ela
identify the principal part of the underlined verb. Dan is looking for his lost coat. "is looking" is underlined. a. present* b. past c. present participle d. past participle
asked by PLZ HELP 
Science
2C2H2+3O2—4CO+2H2O+Heat rasaynik abhikriya Kay aahe
asked by Dilip isure 
chemistry
Carbon tetrachloride, CCl4 is used as a solvent and a coolant. Its boiling point I s22.9 degrees. By considering the intermolecular forces involved discuss whether you expect the boiling point of CHCL3 to be greater or lower than tis value. [6] Please
asked by cylinder 
PreAlgebra
9. During the basketball season, Diane took 134 shots and made about 56% of them. a. How many shots did Diane make? b. The team made a total of 498 shots. What percent of the team's made shots did Diane make? A. 24 shots; 15.1% B. 753 shots; 27% C. 240
asked by Help me! 
Chemistry
Why are the hydrogen bonds of a certain molecule weaker in solution (with water as a solvent) than in a vacuum? I'm supposed to have three reasons, and so far all I can come up with is that the water lowers the activation energy required to form the bond
asked by Sarah 
PreCal
What is the domain of f/g, given f(x)= x+2 and g(x)= x7?
asked by Kate 
tech 1 MORE TIME
What is a bin range?
asked by connxus kid 
math
a rectangular lawn 80*60m has two roads each 10m wide running in the middle of it,one parallel to the length and the other parallel to the breadth.find the cost of graveling them at ₹1.20 per square metre
asked by Anonymous 
Introduction to Graphic Design
Hi! ____ 9. What is the most difficult color combination to read? (1 point) a) black and blue b) black and pale yellow c) pale orange and white d) red and black Could someone please help me? Thanks!
asked by Da Fash 
chemistry
What is the ∆G for the following reaction between O3 and O2? 3O2(g) 2O3(g) Given: O3: ∆H = 285.4 kJ ∆S = 137.14 J/K) 109.5 kJ 208.3 kJ 300.2 kJ 326.3 kJ
asked by c.carolinaa 
History
Which accomplishment most likely helped the Incan emperor maintain rule over widespread lands? A The Inca built a vast network of roads B The Inca developed a uniform system of writing C The Incan emperor claimed ownership of all land D The Incan emperor
asked by Lost 
Math (Unit 7) 6th grade
49, 55, 52, 46, 47, 42, 38 What is the Mean Absolute Deviation(MAD) of this data set?:My answer was 4.28571428571 What is the Mean of this data set?:My answer was 47 What is the distance of each number from the mean?:?
asked by Help me 
Minnesota Studies 6 A
1. What about Minnesota’s geography helped the sawmill industry thrive? (1 point) A. There was an abundance of trees along riverbanks where sawmills were established. B. Areas around the lakes were good places to establish sawmills because of access to
asked by no name 4 u lmao 
HistoryHelp Asap
Which idea does this passage express? (Manifest Destiny, (Gospel of Wealth,(Wealth of the Nations, (Social Darwinism?
asked by Roxieas 
math
Find the equation of the line that passes through (2,4), (1,3) is it y=1/3x + 2 or y=1/3x+10/3
asked by Samuel 
history
What are Desiderius Erasmus greatest accomplishments? So far Ive got greatest northern renaissance scholar and that he was the the first to edit the New Testament.
asked by hotdognibba70 
Maths
Captain salman has 12m of fencing that he wants to use to make rectangular pens to put around his garden to make predators out. He wants to enclose the biggest possible region. What is the area he can enclosed by using the given pens
asked by Kusumq 
character education
What is the proper balance between relaxation and productive work?
asked by Bri 
math
suppose that the average number of snow globes per household is distributed between 3 and 9.
asked by mark 
Math
(Table Shown Below Question And Answers) Chris earns money working at the neighborhood grocery store. The table shows how much money he earned for four weeks. Based on this information, which is the independent variable and the dependent variable? A) Both
asked by Kin 
Math
The camp counselors bought a 6 pound bag of raisins for an afternoon snack for the campers. if the counselors package the raisins into 1/8 pound individual servings,how many individual servings can they make.
asked by Anonymous 
social studies
am i correct? progressive ida tarbell is credited with *writing a series of articles about the dangers of trusts ******* *creating blue laws *changing childlabor laws * writing a novel about dangerous practices in the meat packing industry my answer: A
asked by Shannon 
Math
How is solving a rational equation the same as solving any other equation?
asked by Hannah 
Jade
Which equation describes the line that contains (1, 5) and has a slope of 2? a. y = 2x  9 b. y = 2x + 3 c. y = 2x + 9 d. y = 2x  3
asked by Geometry 
Math
How is solving a rational equation different from solving linear equations like 3x+5=7x2?
asked by Hannah 
trigonometry
find the number of radians in the central angle that subtends an arc of 6m on a circle of diameter 5m
asked by Hazel 
Math
Barb is making a beed necklace. She strings 1 white beed than 3 blue beeds than one what beed and so on. Write the numbers for the first eight beeds that are white. What is the rule for the pattern
asked by Janiyah 
Chemistry
Which of the following is the correct expression for the rate of the following reaction? Note: not all species are gaseous. CuO(s) + H2S (g) Cu(s) + H2O (g) a) [H2O] / [H2S] b) None of these are correct c) [Cu] x [H2O] / ([CuO] x [H2S]) d) [CuO] x [H2S] /
asked by lomza 
Math
2.29 + 2.89 + 4.75 + 4.59 + 1.39 + 1.29 = 17.2
asked by Jeimy 
physics As
The current carriers in a piece of semiconducting material have a charge of 1.6 x 10^19C. Calculate the number of charge carriers entering the material per second when the current is 3 microamps so 3 x 10^6 amps. ? Please help and do it step by step all
asked by cylinder 
physics As
Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge A piece of fuse wire has a diameter of
asked by cylinder 
History
im writing an essay on the mexican and american war how is this? The MexicanAmerican War was a conflict between the United States and Mexico. It commenced on 25 April, 1846 and ended on 2 February, 1848. President Polk played a large role in the United
asked by ineedhelpasap 
Language
While television can be entertaining and educational, it also has a dark side, especially for children. On average children spend nearly 4 hours a day watching television. The harmful effects of television viewing far outweigh any benefits. Doing poorly in
asked by TheVroomin 
Chemsitry
How do you solve Potassium carbonate + Lead(ii) chloride and balance it?
asked by Edme 
Math
Write the percent as a fraction or mixed number in simplest form. 0.8% =
asked by Tevye 
math
find the area of an lsosceles triangle whose base 8cm and the length of each of the equal is 5 cm
asked by neeraj 
Math
Find the product and simplify. 4/9 of 15/8 A) 5/6 B) 5/12 C) 32/135 D) 135/32 What am I supposed to do?
asked by Brooklyn 
geometry (check answer)
Determine whether the line through (0, 4) and (2, 0) and the line through (−2, 3) and (−4, 2) are parallel, perpendicular, or neither. neither?
asked by layla 
English
Someone wishing to find employment at News Corp as a website developer would probably expect to engage in __________ before getting hired. A.a researchbased interview B.a quick promotion C.writing an essay D.a job interview I believe its C
asked by Kennedy 
chemistry
Iodide and diamond crystals both contain covalent bonds and yet the physical properties of their crystals are very different. Their melting points are 387K and 3827K respectively. State this type of structure present in each case and explain why the
asked by cylinder 
math
what percent of 126 is 22
asked by robin 
pre algebra
The distance between 2 towns on a map is 2.5 inches. The actual distance is 35 miles. What is the scale?
asked by Tracie 
Geometry
The midpoint of PQ is M=2,−1 One endpoint is P=7,6. Find the coordinates of the other endpoint, Q.
asked by Ryan 
Alegbra 1
The author of a book on running receives a royalty of 75¢ per copy sold. If the royalty rate is 12% of the single copy price, how much money per copy does not go to the author?
asked by bill 
math  factoring
I'm having some trouble factoring a problem. It's 75x^2  27 I know I can first factor out a GCF of 3 which leaves me with 3(25x^2  9) This seems to me to be a differences of squares but I cannot figure out what to do next. Thank you.
asked by Susan 
History
What reason was given to the federalists to support the constitution? A, strong government to establish economic stability**? B, strong government to maintain control over all its states. C, to define state boundaries. D, in order to pass laws to bring law
asked by Ace 
Math
One equation in a system of linear equations has a slope of 3. the other equation has a slope of 4. how many solutions does the system have? explain
asked by JTE 
Language
The Latin root man means "hand" what is the meaning of the word manual in the following sentence. Manual laborers used hammer and nails to build the roof of dr.meehan's new house. done by machines done by humans done by tools THIS ONE don by roofers 2.
asked by HAI MY NAME IS DK 
Math 6 A
Find the quotient. 8 divided by 1/7 (1 point) A) 7/8 B) 7/64 C) 1 1/7 D) 56
asked by Brooklyn 
History
Compare and contrast the experiences of the Creeks and Cherokees in Georgia following the War of 1812.
asked by Anonymous 
math
3sin thita = 4 cos thita 4sin square 3cos+2?
asked by Ankita 
Mathermatics 2
Plot three points with second coordinate Equal to (1.3) and join them.
asked by james 
Social Studdies
Explain how transportation innovations of the time period affected migration patterns in the United States. (This is The Age of Jackson) Transportation innovations affected migration in many ways, good ways too! Transportation helped migration happen
asked by Checks 
Language
assage from"Life Without Gravity" by Robert Zimmerman In space, the much weaker gravity makes the human body change in many unexpected ways. In microgravity, your blood is rerouted, flowing from the legs, which become thin and sticklike, to the head, which
asked by TheVroomin 
sorry
i will like to say sorrry to ms.sue for my disrespful behaver do you forgive me?
asked by connxus kid 
Alegbra 1
One of two complementary angles has a measure of 6º greater than the other. What is the measures of the larger angle?
asked by Bill 
Alegbra 1
This year Frank spends an average of 70 minutes each night doing homework. This is 30 minutes less than twice the time he averaged last year. What was his average time last year?
asked by Bill 
Algebra 1
Solve the following system of equations. You will type your x value in the first part and the y value in the second part of the question. If the answer is no solution then type NS in both parts and if the the answer is infinite solutions then type I in
asked by Bill 
Language
Let me introduce Javier Solas, who is running for president of the student council. As than Liu, last year's president, said " I can't imagine voting for anyone but Javier. He's clearly the bestqualified candidate. Nearly every other member of last year's
asked by TheVroomin 
tech AGAIN
3) Which of the following sets of data would be represented best in a bar graph? A.the number of hot dogs consumed by the people entered in a hot dog eating contest b. the percentage of hot dogs consumed by women c. the number of hot dogs consumed by the
asked by connxus kid 
English
Which of the following sentences contains a linking verb? Sammy made lunch for us yesterday I smelled the delicious fruit I said the turkey sandwiches looked delicious< we want lunches from Sammy every day now! Which of the following sentence contains
asked by TheVroomin 
Alegbra 1
This year Frank spends an average of 70 minutes each night doing homework. This is 30 minutes less than twice the time he averaged last year. What was his average time last year?
asked by Bill 
Chemistry
how do you solve for bond energy, I have a test tomorrow and i do not understand this concept. Can someone please put some examples, with steps also
asked by Anonymous 
PreAlgebra
I need help with one question. 6q+5.8=23.8 So first I add 6 to each side to cancel the 6, but do I add it to the 5.8 or the 23.8? I kinda need to get walked through the problem. . . Thanks!
asked by Help me! 
Accounting
Fender Company had the following data for four months. Total Cost Production Units January $50,000 1,000 February$53,750 1,150 March $61,250 1,450 April $65,250 1,610 Use the “highlow” method to calculate the estimated variable cost per unit. A. $25
asked by Mike 
Math help please!
y + 1.2y + 1.2z Someone told me that the answer was 2.2y + 1.2z 1. Is that true? 2. How did the 1.2y turn into 2.2y?
asked by Confused 
Math
What is the domain of f/g, given f(x)= x+2 and g(x)= x7? I was told this below, all real numbers EXCEPT 7 But My choices are this, (infinity,7) U (7,infinity) (infinity,7) U (7,infinity) (infinity,2) U (2,7)U (7,infinity) (infinity,infinity)
asked by Kate 
Physics
A bowling bowl has a mass of 25 KG. What is the acceleration of the ball if an upward force of 110 N is applied?
asked by Vanessa 
Math again ;;
I think this is the last question I need help on. . .I hope. 5x + 2(x + 6) How do I find the answer? Would I add the x to 5 making it 6x+2+6 and then adding them together to be 6x+8? But then again that is not an option so how would I get the answer?
asked by Confused Again 
Physics
The Sound of Tissue is 1550m/s. What frequency ultrasound wave should you use to make sure you probe 65mm into the body?
asked by Tina 
Physics
a 4,500 kg roller coaster starts from the top of a 45 m hill with a velocity of 3m/s. The car travels to the bottom through a loop and continues up the next hill. The end of the roller coaster has a level surface that is 4m off the ground. Assume that
asked by Tina 
math
A=P+Prt solve for t I don't know if it is either t= (ap)/pr or t=(1/r)+(A/Pr) or is it a completely different answer? Thank you in advance!!!
asked by Samuel 
Math
If there are 72 games in a series and each team plays every other team twice, once at home and once away, how many teams are there?
asked by Ace 
Math.!
Simplify f+ g/fg when f(x)= x2/x+5. And g(x)= x5/x+2 Choices, A. 2x^2 29/21 B. 21/2x^2 29 C.  2x^2 29 /29 D.  29/2x^229
asked by Kate 
Spanish
which construction expresses an action that has just take place?  Hace + tiempo + que  acabar de + infinitivo  ir + a + infinitivo
asked by Anonymous 
Social Studies
A tropical climate is key to which economic activity in the lowlands of central america and the Caribbeans? A commerce and manufacturing B production of cash crops C animal husbandry D mining Thanks!!!!!!!!!!!!
asked by I am S 
math
how to find the lcd of a number? plz help
asked by connxus kid 
Math
what is 420/69? :( help
asked by athena 
Alegbra
1. –9x – 5 = –95 a) 17 b) 11 c) 10 d) –10 2. x/4 – 5 = –8 a) –27 b) –12 c) –7 d) 12 3. x/5 + 6 = 10 a) 44 b) 30 c) 20 d) –20 4. –2(m – 30) = –6m a) –15 b) –13 c) –8 d) 8 5. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1
asked by Redo because I pasted some of the wrong questions 
Physics
A horse of mass 187 kg pulls a cart of mass 200 kg. The acceleration of gravity is 9.8 m/s2 . What is the largest acceleration the horse can give if the coeﬃcient of static friction between the horse’s hooves and the road is 0.612? Answer in units of
asked by Lyndsay 
social studies
Help!im stuck on this question: What was not one of the accomplishments of progressives? *income tax *larger companies *blue laws *building codes
asked by Shannon 
social studies
Am I correct? What effect did the passage of jim crow laws in the 1880s have on the lives of african americans? My answer was: *it made racial segregation legal in the south******* need answer by today
asked by Shannon 
Prealgebra
1.2v7=23 2.x/45=8 3.x/5+6=10 4.2(22x)=3x 5.2.9n+1.7=3.5+2.3n 6.96(w+5) 7.3x+4(x6)3(x7) 8.p+43 10.3p>48
asked by Hxhxhdhd 
Math
Carmike Company can further process Product A to produce Product B. Product A is currently selling for $25 per pound and costs $10 per pound to produce. Product B would sell for $32 per pound and would require an additional cost of $10 per pound to
asked by Mike 
character education
what is the difference between important and urgent?
asked by Bri 
Calculus
water drips into an upside down cone, whose diameter at the base is 10 cm , and whose height is 15 cm. If the water is dripping int a rate of 2cm^3 per minute, how fast is the height rising.
asked by Angel 
Riddle
What come once in a moment, twice in a minute and never in a thousand years?
asked by Joan 
English
Choose the term that describes the type of sentence shown. The senior class took a trip to Washington, D.C. and Annapolis for their research project. A Compound B Simple C Complex D CompoundComplex I think its C Correct me if I am wrong.
asked by Blaw 
Hard Math
Simplify f+ g/fg when f(x)= x2/x+5. And g(x)= x5/x+2 Choices, A. 2x^2 29/21 B. 21/2x^2 29 C.  2x^2 29 /29 D.  29/2x^229
asked by Kate