Questions Asked on
March 1, 2018

Chemistry
Can diborane (B2H6) react with an alkene in a Hydroboration reaction or its BH3 the one that reacts so the splitting of diborane to borane has to be considered because I heard theyre the same?
asked by Help 
math
a rectangular cardboard, 15 cm by 50 cm is cut into smaller squares. What is the least number of such square pieces?
asked by marlon 
math
edna sells mangoes in bags 5kg and 10kg. she has a total of 250 kg to sell. If she sells twice as many bags of one than the other, and all the mangoes were sold, how many bags of 10 kg mangoes each are sold?
asked by marlon 
As chemistry
A SAMPLE OF ANTIMONY, Ar=121.8, WAS ANALYSED AND WAS FOUND TO CONSIST OF 60% OF 121Sb AND ONE OTHER ISOTOPE. DETERMINE THE MASS NUMBER OF THE OTHER ISOTOPE IN THE SAMPLE OF ANTIMONY. please help I'm really stuck, Chemistry  bobpursley Saturday, September
asked by 0oooooooo0 
Chemistry
How many chloride ions are present in 1.7grams of magnesium chloride crystals?
asked by Favour 
Genetics
Given the following portion of a double stranded DNA molecule, 3’GATCTCGATGTCGAGATC5’ draw the bands as they would appear on a Sanger DNA sequencing gel using the following primer 5’GATCTCGA3’
asked by Kay 
math
If the difference between 21 and k is 48. Find the value of K #Please anyone to help me this question# Can the value of K be 27.
asked by kelvin 
Language Arts
It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears IT shall flush the mountain ranges, And the valleys shall grow bright; It shall bathe the hills in radiance, And crown
asked by Yay 
Math
Two cones are similar Cone 1 r=5 h=15 Cone 2 r=? h=18 What is the length of the radius of cone 2? is it 7?
asked by Josh 
Grammar
The trip led to an argument between Helen and ? a. I. b. me. (A) It was ? who demanded an apology from the newspaper. a.we b.us (B) We appreciated ? writing a personal letter to explain his stand on the issue. a.his b.him (B) The most outspoken critics
asked by Anonymous 
English
Because of _____ our team scored five goals. a. he and I b. him and me (A) Only two photographers, Josh and _____, received field passes. a. she b. her (B) I protested because I felt I was as good a photographer as _____ a. they.b. them. (B) All of _____
asked by Anonymous 
Math
Mno~pqr for each of the following angles name the angle that is cronguet.please give me the unit test answers for lesson 13 math 7 unit 8geometry
asked by Birdie 
Math
If there were approximately 196 million liscened drivers in 2003,which is closest to the number of drivers who were less than 30 years old ?
asked by Birdie 
English grammar
I have some duties. I must perform them Combine the sentence using to Plus infinitive
asked by Mohana 
Math
Are you able to classify polygons by their sides and angles
asked by Dawn 
Chemistry
CO(g) + 2H_2(g) CH_3OH (g) deltaH=90.7kJ Methanol is prepared industrially from synthesis gas (CO and H_2) Would the fraction of methanol obtained at equilibrium be increased by raising the temperature? Explain. Thank you :)
asked by Paula 
math
Dominique drove home from work at an average speed of 36 miles per hour. If the distance from her house to her workplace is 5.4 miles, how long did her commute take
asked by athena 
English
Ok if the source said Parents often want to consult with doctors over the phone in off hours to determine if a child needs to be seen. and I wrote Parents may call pediatricians after hours to see if they should bring in their child. Is that plagiarism.
asked by wes 
Calculus
A rectangular page is to contain 97 square inches of print. The margins on each side are 1 inch. Find the dimensions of the page such that the least amount of paper is used.
asked by Ari 
Chemistry
Suppose you had sulfur hexafluoride as your unknown. It has a cost of $200 for 5 pounds of the substance. If your syringe has a volume of 125.0 mL, the room temperature was 78F, and the pressure was 755 mmHg, what would it cost to fill your syringe 3 times
asked by Jane 
English
how can I rephrase this sentence to avoid plagarism. The hydroboration reaction has hecome an important tool in the repertoire of the synthetic organic chemi~
asked by help 
Math 6th Grade
If 5 out of 25 people don't like chocolate ice cream, what percent of the people do not like chocolate ice cream? A. 20% B. 5% C. 80% D. 30%
asked by NapkinNate 
Math 6th Grade, Help me!
If the original bill is $15.50, what will be the final bill after paying a 15% tip? Round to the nearest cent. A. $2.33 B. $17.83 C. $30.50 D. $232.50
asked by NapkinNate 
Art
4.the orientalizing period was characterized by? A. Greeks borrowing images from oriental cultures•• B.artwork with lots of shading and perspective c.oriental cultures borrowing images from Greek art D.artwork with many reds and golds
asked by Ryleigh 
Programming Logic and Design (help?)
Design a retirement planning calculator for Skulling Fincancial Services. Allo a user to enter a number of working years remaining in the user's career and the annual amount of money the user can save. Assume that the user earns three percent simple
asked by Aubrey 
algebra 2
rewrite 32^3/5 as a radical expression and then simplify.
asked by lexi 
algebra 2
find all the REAL square roots of a.)0.0064 b.)0.0081 SHOW WORK PLEASE
asked by lexi 
history
does anyone have information on the declaration of independence plz I need to write a short letter about my experience there as I was there thank you.
asked by carlee 
Math
Find the function rule (2,9) (1,4) (0,1) (1,6) (2,11) I think the function rule is you subtract 5 from the y as you go on.
asked by math 
Chemistry
In an IR spectrum at wavelength = 1454cm1 its where a CH2
asked by help 
Chemistry
In an IR spectrum at wavelength = 1454cm1 its where a CH2 group is present but then when it come to writing it down do I write v(CH) bend or v(CH2) bend please if your unsure dont answer me its urgent thankyou
asked by help 
Composition II
Hi, I have to write tesis statement for a reasearch paper we will later write. For my thesis statement, I have to ask a quesiton about an ethical problem in society(not a yes or no question, and something new, not a common issue) and come up with a NEW
asked by Lora 
Physics
Karen hang a spring vertically and attaches 30g Mass to the springs other end. If the spring stretches 5 cm. What is the spring constant?
asked by Darylynn 
English
Which sentence from Frankenstein most directly references the title character? A:Cerval spent the evening with us. B:This professor was very unlike his colleagues. C:His limbs were in proportion, and I had selected his features as beautiful.*** D:Before
asked by anonymous 
MATH
Draw the graph of the equation 4x²6x+3 using the 2≤x≤3 use a scale of 2cm to 1unit on the xaxis, 1cm to 4units in the yaxis. Find the graphfind; (a) minimum value of y (b) The roots of the equation 4x²6x3=0 (c) The value of x when y=5 (d) The
asked by AGBOR 
Science
How is velocity different from speed?
asked by D 
Social Studies
Why was Henry Ford able to produce an affordable car? A. He only hired immigrants who would work for low pay. B. He used cheap parts made overseas. C. He developed a less expensive method of production. D. He allowed people to purchase new cars on credit.
asked by Annonomus, 
Social Studies
Why was Henry Ford able to produce an affordable car? A. He only hired immigrants who would work for low pay. B. He used cheap parts made overseas. C. He developed a less expensive method of production. D. He allowed people to purchase new cars on credit.
asked by Me 
Math
1. What are the mean, median, mode of the Data sets given the altitude of lakes in feet: 12,9,14,39,49,49,18, and 43? A. Mean=28.5,median=29.1,Mode=49,range= 40* B. Mean=29.1, median=49, Mode=28.5,range= 41 C. Mean=49,median=29.1,
asked by Bella 
Algebra 1
Solve the equation by completing the square. Round to the nearest hundredth if necessary. x2 + 3x – 5 = 0 A.1.19, –4.19 B.–8.75, 5.75 C.1.66, 2.69 D.1.05, –4.05
asked by Chief4Keef5Sosa6 
English
You know about Gatsby and Daisy in the past in the present  but what about their future? Thinking about all you have learned  about their characters, about the social classes that divide the, and about their views of the past  predict what you think
asked by / 
Math Ms. Sue Help
1. What are the mean, median, mode of the Data sets given the altitude of lakes in feet: 12,9,14,39,49,49,18, and 43? A. Mean=28.5,median=29.1,Mode=49,range= 40* B. Mean=29.1, median=49, Mode=28.5,range= 41 C. Mean=49,median=29.1,
asked by Bella 
Math
A grandmother needs $50,000 for her here grandsons university in 10 years. She plans to make equal biweekly payments to a savings account for the first 6 years at an interest rate of 3.9% compounded biweekly. She will then leave that sum to accumulate
asked by Carolyn 
English
is it right to say through cooling and condensation process if not then how do I say that ?
asked by help 
English
We were brought up together; there was not quite a year difference in our ages. I need not say that we were strangers to any species of disunion or dispute. Harmony was the soul of our companionship, and the diversity and contrast that subsisted in our
asked by anonymous 
English
Choose the word that best defines the italicized word from the novel Frankenstein. Their feelings were serene and peaceful, while mine every day became more (tumultuous.) A:assured B:focused C:muted D:troubled*** Which except from Mary Shelley's
asked by anonymous 
History
In which of the following areas did reconstruction have the most positive effect A:education B:agriculture C:urbanization D:poverty reduction
asked by Qwertyuiop 
Physics
A disk of radius 0.4 cm and mass 0.7 kg is rotating at 5 rad/s. A second disk of radius 0.5 cm and mass 0.85 kg is rotating at 6 rad/s in the other direction. What is the combined angular velocity of the disks when the second disk is placed on top of the
asked by Anonymous 
English
I know I'm asking a lot of questions about plagiarism but I'm nervous lol. If I diagram two sentences and they don't look the same I might be free from plagiarism right? Like the two sentences I asked about earlier. From the source Parents often want to
asked by wes 
Math
How could you determine the length and height if you knew the width was 3 feet and the volume were 4,200 ft sq?
asked by Cloe 
Chemistry
What are the moles of substances present at equilibrium at 450C if 1 mol N2 and 4 mol H2 in a 10 L vessel react according to the following equation? N2 (g) + 3H_2(g) ⇌ 2NH_3 (g) The equilibrium constant Kc is 0.153 at 450C. Thanks a lot.
asked by Paula 
math
1. What is the correct classification for the triangle shown below? A triangle has two angles measuring 68 degrees and 22 degrees. (1 point) acute, scalene acute, isosceles  right, scalene obtuse, scalene 2. What is the value of x in the triangle? A
asked by Unknown 
Math
How do you solve 83p4=2? I got 6 and 2 as an answer
asked by Oliver 
Science
What would you do to measure the volume of a baseball? I've checked my notes and even opened my book! Please help! (I don't think I need a formula yet, I'm not being taught them in Science)
asked by Anonymous 
physics
The period of oscillation of a nearEarth satellite (neglecting atmospheric effects) is 84.3 min. What is the period of a nearMoon satellite? (R⊕= 6.37 × 10^6 m; RMoon= 1.74 × 10^6 m; m⊕ = 5.98 × 10^24 kg; mMoon = 7.36 × 10^22 kg.)
asked by joy 
American Government Please Check
1. Which of the following correctly describes how treaties are made? a. The president negotiates a treaty, and the House must approve funding for it. b. The Senate Foreign Relations Committee negotiates a treaty, and the House and the president must
asked by girly girl 
Jiskha
The other day I was on this site and my sister saw me. She told me to never go on this site, and she was accused of cheating off of it before. I told her that cheating is prohibited on Jiskha(and that Jiskha doesn't give answers, it just helps), but she
asked by Anonymous 
Music
Which of the following composers was most famous for writing operas? a. Beethoven b. Haydn c. Schubert d. Mozart
asked by Anonymous 
Literature
Since I am working on a project based on the poem "here" by Aracelis Girmay, how do people usually feel when reading this? What mood does it create for the readers?
asked by Katherine 
math help please
while on summer vacation with her family mary spends some time at a resort in the mountains there is a lake that rents paddleboats the paddleboat are rented by the hour.mary and her sister Mona decide to rent a paddleboat for 2 hours at the cost of $25.00
asked by aye 
Mathematics
the volumeof a right circular cone is 5 litres. calculate the volumes of the two parts into which the cone is divided by a plane parallel to the base one third of the way down from the vertex to the base to the nearest ml
asked by Faith 
Physics
A person spinning on a platform has a rotational inertia of 4 kg m^2 and an angular velocity of 15 rad/s. The person extends their arms out, and their rotational inertia becomes 7.5 kg m^2. What is their new angular velocity? I think the answer is 8 rad/s.
asked by Anonymous 
PLEASE HELP SOON! (MS. SUE PLEASE)
Which of the following correctly identifies the methods of heat transfer? A. ConvectionRadiationConduction B. ConductionRadiationConvection C. ConvectionConductionRadiation*** D. RadiationConvectionConduction
asked by Olive Sue :D 
math
Find the complement of an angle with measure 72 A:162 B:18 C:252 D: 108
asked by finn wolfhard 
world history
Morocco has coastlines on what two bodies of water? North Atlantic Ocean and Mediterranean sea?
asked by nicole 
geography
what countries on the arabian peninsula does the Tropic of Cancer pass through? Oman , Saudi Arabia, And United Arab Emirates Does it pass through Yemen too?
asked by nicole 
math
on a 10 question quiz you correctly answer four one point questions and five two point questions. you earn 87.5% of the possible points on the quiz. a. how many possible points is the quiz worth b. how many questions did you miss c. how many points was
asked by robin 
science
I need help with finding some sources of error! My experiment is that there is one candle lit and five different sizes of beakers being upside down onto the candle (one at a time) and seeing how long it takes for the candle to burn out for each beaker. I
asked by Anonymous 
math
Juan has 28 paperback books Each book is 1 1/4 inches wide. will all his books fit on the 2 and 1//2 feet shelf? if not how many will fit and how many will have to go on another shelf?
asked by patsy 
alegbra
The creator of a new game receives a royalty of 8% of the selling price of each game sold. The company that produces the game receives the remaining amount. If the company receives $10.10 per game sold, what is the selling price of the game?
asked by Anonymous 
algebra
Contributions to the annual Grayson School fund raising campaign were 10% greater in 2004 that they were in 2003. In 2003, contributions were 15% greater than they were in 2002. If contributions for 2004 total $8855, what was the total in 2002? (remember
asked by Anonymous 
Science Help
Place the following words into the illustration below gametes, sporophyte, gametophyte, and zygote. Explain how the terms are related. MY ANSWER 1. sporohyte 2. gametes 3. gametophyte 4. zygote I just need to explain my answer but I do not know how to.
asked by Gurl nerd 
math
1) A tank holds water with a base 2 ft by 6 ft. If a rectangular solid whose dimensions are 1 foot by 1 foot by 2 feet is totally immersed in water, how many inches with the water rise? A)1/6 B)1 C)2 D)3 E)12 ^I got B 2) AB+BA= CDC IF each of the four
asked by Aline 
math
This tree diagram shows the number of theatres and the numbers of different movies being shown at each theater.According to the diagram, how many possible movie choices are there
asked by sparkelgurl 
educational technology
which of the following is an acrostic? a. ram b. every good boy does fine c. association d. mnemonic device
asked by Gigi 
BIO PLease help
Which of the below are mechanisms cells can use to control activity of a gene? A) Regulating mRNA stability B)Regulating protein stability c)Positively regulate gene expression D)Regulating enzyme activity of a protein E)Regulating protein stability
asked by Jeremiah 
algebra
Margot and Francois were doing their algebra homework when Margot's dog, Pepe, bit off a piece of the paper they were working on. All they had left was a part of the sequence: 6, 12, ... and the fact that 1536 was another term of the sequence. Assuming the
asked by Anonymous 
social studies
Native Americans agreed to surrender most of the land in what is now Ohio, under the terms of Pinckney's Treaty. (1 point) True? False?
asked by amandine fernandez 
Differential Equations
We are learning how to solve systems of linear ODE's by elimination. I am not sure how to solve this: x'=y+t y'=xt I took the derivative of the second eqn to get y''x'=t' and added the two to get y''+y=t'+t but I don't think thats the right way to
asked by Jefferson 
Physics
A 50kg soccer player jumps vertically upwards and heads the 0.45kg ball as it is descending vertically with a speed of 30 m/s. (a) If the player was moving upward with a speed of 4.0 m/s just before impact, what will be the speed of the ball immediately
asked by jt 
chemistry
C6H12 + 9O2 > 6 CO2 + 6H2O C6H12 + 12O2 > 6CO2 + 12H2O which is correct?
asked by Anonymous