# jocelyn

Most popular questions and responses by jocelyn
1. ## math

Jenny borrowed \$500 for five years at 4 percent interest, compounded annually. What is the total amount she will have paid when she pays off the loan? total amount = P (1 + i)t

2. ## Chemestry

Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is given below. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 (a) What mass of acetic anhydride is needed to completely consume 4.20 102 g

3. ## math-independent and dependent events

A card is chosen at a ramdom from a deck of 52 cards.It is then replaced and a second card is chosen.What is the probability of getting a jack and then an eight? getting a jack 4/52. Then getting an eight 4/52 Probability of getting a jack and then an

4. ## calculus

A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm

5. ## calculus

Use analytic methods to find the global extreme values of the function on the interval and state where they occur. y=x(2-x)^(1/2), -2

7. ## Calc

A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm.

8. ## geometry

Ray Hf bisects with angle Ehg.. Which conclusion is not valid a. E,F and G are coplanar b. angle EHF is congruent with angle FHG c. Line Eh is congruent to line HG d. m/Ehf is congruent to m/FHG

9. ## math

janice scored 85% on the last test. she answered 34 questions correctly. how many questions were on the test?

10. ## math

1.A square lot is to be planted with santan plants all around.The side of the lot measures 10 m.If plants will be planted 20 cm apart,how many plants must be planted in all?

11. ## liberal arts math

I have to figure the finance charge per \$ 100.00 for a loan of \$4500.00 with a finance charge of \$1080.00 I don't know what formula to use

12. ## Analytical Chemistry

Consider the titrations of 24mL of 0.050M HClO4 with 0.100 M KOH. Find the pH at the following volumes of KOH; Vb: 0.1, 5, 10, 12.40, 12.50, 12.60, 13 mL

13. ## Analytical Chemistry

Consider the titrations of 24mL of 0.050M HClO4 with 0.100 M KOH. Find the pH at the following volumes of KOH; Vb: 0.1, 5, 10, 12.40, 12.50, 12.60, 13

14. ## Chemistry

The hydrogen gas is collected over water at 25.0°c. The volume of the gas is 246 ml measured at 760 mmhg. calculate the number of grams of h2 collected (vapor pressure of h2=23.76mmhg)

15. ## chemistry

how many grams of CH4 (methane) must be burned to form 82.6g of H2O? equation: CH4+O2----> CO2+H2O

16. ## CHM 1010

Under pressure of 862kPa, a gas has a volume of 752ml. The pressure is increased, without changing the temperature, until the volume is 624ml. What is the new pressure

17. ## Informal Logic

"I bought a pair of shoes from that store that immediately fell apart. Their shoes are no good" may commit which fallacy?

18. ## grammar

I was graduated last March 2011. Is this a correct grammar?

19. ## Algebra

The length of the sides of a triangle are three consecutive even integers. The perimeter of the triangle is 36 in. What is the length of the longest side of the triangle?

20. ## Math

Miss has three times as many markers and colored pencils the total number of markers and colored pencils is 84 how many workers does Miss have

21. ## science

How could you use the shadow of a lamp post to track the time of day on a sunny day

22. ## Physics

1) Find the magnitude of the gravitational force a 68.6 kg person would experience while standing on the surface of Earth with a mass of 5.98 × 10 24 kg and a radius of 6.37 × 10 6 m. The universal gravitational constant is 6.673 × 10 −11 N · m2 /kg

23. ## math

if a 6 foot vertical rod casts a shadow 15 feet long, how high is a flagpole that casts a shadow 60 feet long? i know this is multiplication, but i don't know how to set it up. 10 feet?

24. ## math

What types of problems can be solve using the gcf?? What types of problems can be solve using the least common multiple ??

25. ## Physics

Brett decided that he was going to go bungee jumping at the WEM mall water park. If Brett weighs 95kg and he is 30 m above the water, how far will he fall IF the elastic force of the bungee cord is 1000N? Will he hit the water?

26. ## math

In a 180 kilogram sample of ore, there was 3.2% of metal. How many kilograms of metal were in the sample?

27. ## math

A) 2 5/8 x 3/14 i got 1 31/32 B) 2 1/10 x 3 4/7 i got 8 1/2 are these correct?

28. ## Physics

What is the angular momentum of the second hand on a clock if the clock has a length of 25cm, a mass of 20g, and is rotating with constant angular velocity. Treat the second hand as a thin rod.

29. ## Algebra

Solve: x-3y=-9 4x+3y=-6

30. ## fractions in input output table

triangle = square multiplied by 4 so wat is 2/3 multiplied by 4

N÷7=30

32. ## Algebra

A rectangular picture is twice as long as it is wide and is to be mounted on a mat with the same proportion. If the picture is 18 inches wide, can it be mounted on a mat of 259 square inches? To answer this, find the width of the mat.

33. ## Science

The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the total force on a(n) 94 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 60 m/s in 8.2 s? Answer in units of kN

34. ## Math

Lisa can run a mile in 8 minutes.Which is the most resonable time for her to run a 10-km race?

35. ## math

suppose 6% of 8000 people polled regarding election expressed no opinions. how many people expressed no opinion? 0.06x8000=?

36. ## spanish

what time do restaurants open and close in Mexico? I'm making a menu for a restaurant in Mexico and I need to know what time it opens and closes. What is the usual time

37. ## math

what is x? x + 2 11/14 = 5 13/21 basically, i want to know the formula to finding x. i tried to change the fractions to eqivalent fractions... any other ways?

38. ## spell

What is a 12 letter word with the 5th letter being a C, the 7th being a E, and the 11th being a T?

39. ## Physics

A block is executing simple harmonic motion on a frictionless surface with an amplitude of .100m. At a point 0.060m away from equilibrium point the speed of the block is 0.320m/s. What is the period? What is the displacement when the speed is 0.20m/s?

40. ## Mathematics

What is the best website to practice some free maths worksheets for grade 7 ? (NSW curriculum)

41. ## Science

A rollercoaster will be going at a speed of 36 m/s through a loop. To make sure the riders don't experience acceleration greater than 20 m/s2, what should be the radius of the loop?

42. ## college

Adam, Bill, Chris, and Dave each own one quarter of a company. Bill sells 2/3 of his shares to Dave. Adam sells 3/5 of his shares to Chris and the rest to Dave. How much of the company does Dave own now? Give your answer as a fraction reduced to simplest

43. ## US HISTORY

who discovered the mississippi river? Although the Mississippi river was discovered in its lower course by Hernando de Soto in 1541, and possibly by Alonso Alvarez de Pineda in 1519, Europeans were not yet prepared to use the discovery, and two Frenchmen,

44. ## math

A rectangular garden is 6m by 8m.if you walk 3times around the garden how many meters will you have covered

45. ## Math

there are 26 green,30 white,30 purple,14 blue what would be the minimum number for the blue to be 24%

46. ## Chemistry

Helium was heated in a sealed container from 18°C to 36°C. The original pressure of helium was 0.84 atm. Find the new pressure assuming V and n remain the same. I put 0.84 over 18 and set it equal to x over 36. I got 1.7 atm but it says its wrong?

2x-3(x+4)=-5

48. ## Havlicek

12.5 moles of a gas occupy 32.0 liters at 100.0 degrees Celsius. What is the volume of 37.5 moles of the gas at 25.0 degrees Celsius?

49. ## Algerbra

2(1.3x + 9)=2.4x + 22

50. ## math

find the circumference of this circle 20m

51. ## math

what is the rule of 5*6= if 2*3= 7 1*6=8

52. ## math

what is the absolute value of -|6^2| would it be -36?

53. ## math

what is 10 7/8% converted into a decimal?

54. ## math

How do i find 40% of 4,800? What is the strategy?

55. ## fractions

what single fraction piece equals two eights

-(x-10)=7

57. ## science

Does yeast need light to grow? The bread I make using yeast rises in the dark.

I hope this right because i just went with the flow. :/

posted on March 13, 2019
2. ## Math

I don' get what b1 is! Help

posted on February 26, 2019
3. ## Chemistry

50.0 mL of a 0.200 M solution of the weak base N-ethylmorpholine (C6H13NO) is mixed with 8.00 mL of 1.00 M HCl and then diluted to a final volume of 100.0 mL with water, the result is a buffer with a pH of 7.00. Compute the Kb of N-ethylmorpholine.

posted on December 15, 2018
4. ## 4th grade math fraction

posted on December 5, 2018
5. ## S.S

i need the answer by im not getting it

posted on November 1, 2018
6. ## Math

Marissa pours 1 1/2 cups of punch in each glass.How many fluid ounces is each serving

posted on March 7, 2018
7. ## Fourth grade math - math book PearsonRealize

32 cards

posted on February 10, 2018
8. ## math

Idk

posted on December 18, 2017
9. ## algebra

Carlos is arranging book on shelves. He has 32 novels and 24 autobiography. Each shelf will have the same number of novels and autobiography. If carlos must place all book on shelves, whT are the possible numbers if carlos will use.

posted on December 14, 2017
10. ## math

570-150-150=270

posted on August 10, 2017
11. ## Math Help Please ASAP

If Andrew rode his bike for ten minutes at 30 RPM( Rotations per minute), how far (in inches) will he travel?

posted on April 5, 2017
12. ## Math

the ansewer is 23 packets

posted on October 10, 2016
13. ## scientific notation am i doing it right?

5x10^-7)-3x10^-9

posted on September 11, 2016
14. ## geometry

23

posted on December 14, 2015
15. ## statistics

Jesse entered the weight (in pounds) and weekly food cost data (in \$) into a statistics software package and found a regression equation of ŷ = .5 + .16x. This means that, on average, for each additional pound of body weight, the weekly feed cost goes (A)

posted on August 17, 2015
16. ## Math

12

posted on May 16, 2015
17. ## math

A

posted on April 15, 2015
18. ## Physics

PART 1 4kg(2.4+9.8) 4(12.2) 48.8N

posted on November 30, 2014
19. ## S.S

Jolianna, The correct answer WAS C. :3

posted on November 1, 2013
20. ## math

ok, 30% right?

posted on March 18, 2012
21. ## math

thank you. can you please check this for me: henri rici paid \$5000 for a car. after one year, its value had decreased by \$1500. by what percent had the car depreciated in value? is it 5000x=1500?

posted on March 18, 2012
22. ## math

thank you

posted on March 18, 2012
23. ## math

oh i know how to multiply. i just wanted to know if my equation was right about the problem.

posted on March 18, 2012
24. ## math

would it be 0.10875?

posted on March 13, 2012
25. ## math

okay so i got 1920. do i do the same if i was to find 25% of 4800?

posted on March 7, 2012
26. ## math

thank you so much. i forgot about simplifying .

posted on February 29, 2012
27. ## math

i got 24. thank u

posted on February 27, 2012
28. ## Chemestry

ok thanks but i still get stuck doing the theoretical yield can you please show me how to do this?

posted on February 3, 2012
29. ## Chemestry

the equation is C7H6O3+C4H603---->C9H8O4+ HC2H3O2 and both a and be ask to be in grams but i don't get how to do it at all PLEASE HELP

posted on February 2, 2012

whats the equivalent fraction for 8/21;)

posted on August 25, 2011
31. ## Math

If you draw it out, it becomes obvious that the vector ST is the same as UV. If ST has a velocity vector of 9,9 then you can find the coordinates of V. V = (5-9, 15-9) (5, 15 are coordinates of U) V = (-4, 6)

posted on May 27, 2010
32. ## hum130

As suggested by Fisher (2003) in Living Religions, consider the interrelatedness of everything in the cosmos as it is expressed in many indigenous religions. How do you think the importance of these relationships developed? What spiritual purpose do you

posted on March 17, 2010
33. ## Algebra

Raul and Luis were brothers who decided to go into business mowing lawns. thier parents told them they could use the family truck but they would need to buy their own equipment since the family lawn mower was barely working. they bought ywo lawn mowers for

posted on September 28, 2009
34. ## Identifying controls and Variables

i need extra help idont know what is am doing

posted on November 5, 2007