# Posts by Jocelyn

Total # Posts: 83

math
570-150-150=270

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

Math
N÷7=30

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

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

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

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.

Math
the ansewer is 23 packets

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)

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

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

math
A

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?

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

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

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

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) __________ by (B...

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

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.

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

GCF
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.

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?

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

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

math
find the circumference of this circle 20m

scientific notation am i doing it right?
5x10^-7)-3x10^-9

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

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

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...

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?

S.S
Jolianna, The correct answer WAS C. :3

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

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

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

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

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

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

math
ok, 30% right?

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?

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

math
thank you

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

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

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

math
would it be 0.10875?

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

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

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

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

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?

math
thank you so much. i forgot about simplifying .

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?

math
i got 24. thank u

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?

Math
12

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

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

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

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 salicylic acid? g (b) What is...

math
Idk

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?

geometry
23

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

whats the equivalent fraction for 8/21;)

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.

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?

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

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?

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<=x<=2

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

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?

Algebra
-(x-10)=7

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)

Science

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 terms.

fractions
what single fraction piece equals two eights

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 \$150.00 each and had...

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 think they serve for ...

fractions in input output table
triangle = square multiplied by 4 so wat is 2/3 multiplied by 4

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 eight, given those are ...

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

Identifying controls and Variables
i need extra help idont know what is am doing

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, Louis Joliet and ...