Janey

Most popular questions and responses by Janey
1. math

If b=6 what is the value of 7b?

2. Math

Twelve students sit for an exam which has a maximum score of 100. The average of twelve scores achieved by the students in the exam was 95. What is the minimum mark a student could have scored?

3. Math

Solve. There are 18 boys in a class. There are w fewer boys than girls. How many students are there in the class?

4. Physics

Does the composition of an object affect the final temperature of in objects. This is in terms of thermal equilibrium.

5. Math

Jabari is thinking of three numbers. The greatest number is twice as big as the least number. The middle number is three more than the least number. The sum of the three numbers is 75. Find the numbers.

6. Algebra

Evaluate the square root of 144 over 25.

7. Math in Science

A rock containing a newly discovered fossil is found to contain 5 mg of an unstable form of potassium and 5 mg of the stable element formed from its decay. If the half-life of the unstable form of potassium is 1.3 billion years, how old is the rock? What

8. math

Use proportions to solve this problem: Lisa ran 3 miles in 21 minutes. At that rate, how long would it take Lisa to run 5 miles?

9. maths - shapes

Can you name these quadrilaterals? a) All sides are the same length, opposite sides are parallel, angles are not 90 degrees. b) Two pairs of touching sides are the same length. The diagonals meet at right angles. Opposite sides are not parallel. c) The

10. Math

A car is traveling at 30 mi/hour. What's the cars speed in feet per second?

11. Math 156

A child's dose of medicine is 16 of a pre-measured dose cup. If the bottle of medicine is the size of 9 dose cups, how many children's doses are there in the bottle?

12. Chemistry

Balance the following redox reaction in acidic solution: H3PO4 + HNO2--> N2O4 + H3PO3

13. Math

What is 9 divided by 7 with the answer in fraction form?

14. Finance

THe dumonts take- home pay ( after deductions for taxes and benefits ) is approximately \$6045 monthly. currently nonmortgage debt payments equal \$911 (i.e, \$405 auto, \$100 miscellaneous credit, \$196 student loan, and \$210 furniture). calculate and

15. math

At the Kolbus building 3 out of every 7 employees use public transportation. There are 9,800 employees at the building. How many use public transportation?

16. CHEMISTRY

18cm^3 of 1.0M H2SO4 just reacted with 24cm^3 of 1.5M NaOH to form sodium sulfate & water. Calculate the amounts in moles of sulfuric acid & sodium hydroxide reacting & write an equation for the reaction.

17. chemistry

i have 2 questions stoichiometry loss of CO2 1. record the amount of CO2 produced vs the amount of Na2CO3. I did 7 beakers with 20ml of 3M H2SO4 and add varying amounts of Na2CO3 to each. 2. discuss your results in terms of moles. is there a linear

18. Latin

Construe all the nouns and adjectives in the following sentence. !@#\$%^& bonis amicis ex alta silva equis magnis volabimus in latos campos, ubi in magna villa bene habitabimus.

19. Algebra

Find the slope of the line through the given points, (6,5) and (8,1).

20. French

Could you translate these phrases for me? I need a pencil and a piece of paper please. Do you need a book or a notebook? I have a dictionary but I need a calculator. Thank you!

21. math

(3*10^4)(4*10^2)

22. Math

if a recipe of 2 dozen cookies calls for 3 teaspoons of vanilla how much vanillia will i need for 50 cookies ? 7.3 1.5 teaspoon vanilla= one dozen x 4 dozens = 2.00 missing cookies. 12.5 x 4 = 50 .5x4= 2.00 divided by 1.5 = 1.3 +6 (2servings of 3

23. Math

Can you arrange the numerals 1 to 9 (1, 2, 3, 4, 5, 6, 7, 8 and 9) in a single fraction that equals exactly 1/3 (one third)? Could someone explain how you get the answer to the problem, please don't just say the answer!

24. Trig

Determine the period of the function: f(x)=3sin1/2x+2 ?

25. Science

Mutations can occur in sex cells or in body cells. In which cell type might a mutation be passed from generation to generation? Explain.

26. Math

The base of a parallelogram is 10 inches.The height is 2 inches more than half the base.Find the area.

27. French

Find the verb in the sentence. Elles sont timides francaises.

28. Math

Expand the following expression. 3(m+2) + 4(6+m)

29. Algebra

Solve the linear equation: -10.8x + 1.4 = -47.6 - 1.0x If you could do step-by-step so I may learn this it would be appreciated. Thank you!

30. Calculus

Find the derivative of y=(2x²+x)²°°.

31. geography

I need to find a major industry in the north italian plain. I have typed it in a few search engines but I have yet to find an answer. Please help.

32. Science/History

On my previous post at 3.22pm (& 3.29pm) pm I asked what famous scientists did Isaac Newton work with. Unfortnately no-one has answered and I have been unable to find a website that tells me. I have come across Edmund Halley name linked to Newton's would

33. Biology

What 2 bio molecules are the cell membrane primarily made of?

34. Algebra

Write an equation of a line that passes through the given points. (-4,6) (1,1)

35. Algebra

Square root of 1/9

36. Math

Solve the system of linear equations by substitution: 1.) y=2x+3 y=3x+5 2.) y=1/3x+2 y=1/6x+4

37. US history

Was Colorado Pro or Anti Slavery in the late 1800s?

38. Math

Ok so my problem is -3(3x+15)-(10+x)=35 After doing most of the problem I ended up getting -10x=105. I need to have a whole number as an answer but I can't understand what to do.

39. Science

Mutations can occur in sex cells or in body cells. In which cell type might a mutation be passed from generation to generation? Explain.

40. Science

What are two ways meiosis can cause genetic variability?

41. Science

Could you please explain meiosis in stages including interphase 1 (crossing over)? I need to understand this for a project at a 7th grade level.

42. math

1/4v=5 Use the substitution method to solve this problem.

43. Math

The sum of 5y/6 and 4(3/y+2y) y=7

44. Math

How would you graph this x^2-9/x+5? I keep on getting a weird looking function.

45. Algebra

Identify the slope and the y-intercept for y=-4x+5. Thank you!

46. math

explain whether each set is closed under the given operation {-1,0,1}multiplication?

47. math

explain whether each set is closed under the given operation {-1,0,1}multiplication?

48. math

explain whether each set is closed under the given operation {-1,0,1}multiplication? please help and tell me the steps thanks!

49. Geography

Please can you tell me whether the north italian plain or the south of italy would have a) hydro-electric power available b) few natural resources. I cannot find the answers to them. One answer goes on north and one on south. Please help.

50. english

would you say pittance or meagre is the best word to use.

51. science

I am doing a project on Isaac Newton and have to find info on born,died,study, famous scientists he worked with,apple and laws of motion. I have found all the answers except the famous scientists he worked with. I have been on lots of websites but I cannot

1. Math

How do you convert it from decimal form to fraction form?

posted on August 18, 2015
2. language arts

...you do realize we do not know the story these questions are from...

posted on December 9, 2014
3. Math

Oh thank you both! I for some reason thought 15x3 was 60!

posted on December 9, 2014
4. MATH HELP ASAP!

So you first need to find what 5% of \$1000 is. You can do that by multiplying \$1000 by .05. You would get X. \$550/X= your answer.

posted on December 9, 2014
5. LanguageArts

Named blaze

posted on October 11, 2014
6. Math

Thank you both!

posted on August 21, 2013
7. Math

Thank you I missed a lesson in class today so I was a little lost.

posted on April 18, 2013
8. physics

Soko

posted on December 12, 2012
9. chemistry

i was given an equation of H2SO4(1)+ Na2CO3(s)>>> Na2SO4(s)+CO2(g)+H2O(l) I tried plugging in numbers and I don't understand what I am supposed to do. the first beaker had 1g of Na2CO3 and added 20ml of 3M H2SO4 to the beaker. empty beaker 47.42g beaker

posted on January 22, 2012
10. Physics

Also by composition it means what the objects are made out of right? So if they are Aluminum then they would be a conductor of heat?

posted on June 30, 2011
11. Physics

Can please explain to me why that is?

posted on June 30, 2011