# Posts by JESSE

Total # Posts: 370

**Math 7 A**

Note: For questions 5 and 6, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work. Your teacher will review...

**Algebra**

280

**Algebra **

A computer store buys a computer for $24 fixes it up and sells it for $91.20. What is the percent of increase in the price?

**Social studies**

You know what I quit

**Social studies**

it's not that I'm lazy Im not understanding and I need help

**Social studies**

Funny ms.sue but u gotta help me

**Social studies**

Someone please help me i need it badly

**Social studies**

1. Justinian code became the backbone of modern Europe? 2. In what way did Quran affect the role of Islamic women? 3. One great contribution of Islamic golden age was? Etc etc their is 14 Questions

**Social studies**

I need answers cause I've been doing this for the past hour

**Social studies **

lesson 14: focus on history 7th Please need help 1-14

**Math**

Does anyone have any idea on how to do this? I tackled it a few ways and I just can't get it. Thanks.

**Math**

An 85-year-old woman in Rotorua, New Zealand, won't have to pay her library fine. A book she borrowed from the local library in 1945 was found during a move. Based on the borrowing rules pasted inside the front cover of the book, the fine should have been over $6,000. ...

**Innovation**

A car tire contains air at a pressure of 24 lb/in^2 at 0 degrees C. If the volume of the tire remains unchanged, what will the pressure be when the temperature has increased to 32 degrees C?

**history **

what happened to the French. A did the French get defeated or B. is the French still fighting now to this day.

**Math**

There are 13 2/3 cup servings per bag. How many 1/2 cup servings does that make?

**Geometry **

In triangle XYZ the measure of angle X equals 34 degrees and the measure of angle Z equals 38 degrees find the measure of angle y

**math**

An arc of a circle measures 30° if the radius of the circle is 5 cm what is the length of the arc

**Science**

Suppose you find fossils of clams in rock high on a mountain. what can you infer about the mountain?

**Maths**

18

**Science**

Word that means "flat like a plate "(flat land that Is higher than surrounding land"

**Math**

An octopus can swim v km/h in still water. When the octopus swims against a current of 5km/h, its speed is decreased by 5km/h. When it swims with a current of 5km/h, its speed it increased by 5km/h. It takes Joey the Octopus the same amount of time to swim 10km with the ...

**Maths**

Harry is x years old now. 3 years ago Jenny was twice Harry's age. In three years timthe Ahmed will be 5 times as old as Jenny. Write an expression for Ahmed's ago now.

**Math**

How much pure antifreeze must be added to 18 liters of a 20% solution to make a 40% solution ?

**Science**

Panhandle

**Physics CENTER OF MASS**

A thin rectangular plate of uniform areal density σ = 2.79 kg/m2 has length of 37.0 cm and width of 23.0 cm. The lower left hand corner is located at the origin, (x,y)= (0,0) and the length is along the x-axis. (a)There is a circular hole of radius 8.00 cm with center at...

**AP Chemistry**

A solution is prepared by titrating a 100.0 mL sample of 0.10 M HF (Ka = 7.2 × 10-4) with 0.10 M NaOH a. Does the solution contain a strong acid with a strong base, a strong acid with a weak base, a weak acid with a strong base, or a weak acid with a weak base? b. ...

**math !**

no its not

**Chemistry**

The answer is the 5*6.022E23? How?

**physics**

Your CECS graduation tassel hangs from the rear view mirror of your graduation gift, a 1981 DeLorean DMC-12 with Mr. Fusion garbage fusion generator!!! Your tassel hangs plumb or vertical when driving at a constant speed on a level highway. When accelerating you observe the ...

**Algebra**

50x+10(x)+140+20(2x+4)=1720 50x+10x+140+40x+80=1720 100x+220=1720 100x=1720-220 x=1500/100 x=15 15 fifties 29 tens 34 twenties

**Chemistry**

Hi DrBob, the rates are NOT given which is why I am having such an issue trying to work with rate and K both as unknowns.

**Chemistry**

An atmospheric scientist interested in how NO is converted into NO2 in urban atmospheres carries out two experiments to measure the rate of this reaction. The data are tabulated below. A: [NO]0 = 9.63 × 10-1 M, [O2]0 = 4.1 × 10-4 M t(s) 0/3.0/6.0/9.0/12.0 [O2] 4.1/...

**Physics**

A child bounces in a harness suspended from a door frame by three elastic bands. (a) If each elastic band stretches 0.210 m while supporting a 7.35-kg child, what is the force constant for each elastic band? 114.33 N/m (b) What is the time for one complete bounce of this child...

**Math Someone plz plz plz help!!!**

Jorge plans to paint a bedroom wall that is shaped like a trapezoid. The bottom edge of the wall is 22.5 feet long, and the top edge of the wall is 9.5 feet long. If the wall is 8 feet tall, what is the area of the wall? Round your answer to the nearest hundredth if necessary.

**Business Law**

Celia and Mary are going to open a boutique. the opening of the boutique is delayed because the purses have not delivered after 60 days. They had a contract with the supplier specifying that the purses must be delivered within 30days. Can Celia and Mary cancel the contract?

**Connexus Help**

i go to connexus but i am in 6th grade and i need help with my assemnet

**Physics- just verfiying an equation**

update: for the u, I don't what happen to it but its supposed to be an omega sign--I guess the formatting got a little messed up

**Physics- just verfiying an equation**

hello, so i'm doing a physics project where I have found the following equation for centripetal force: Fcent=mrù^2 Where f= centripetal force m=mass r=radius ù=angular velocity my question is to make centripetal force greater, does that mean mass, radius and ...

**Math**

Monthly payments on a house valued at $84000 with 4.9% compound interest over 30 years

**Physics**

A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a speed of 29.5 m/s and has a speed of 28.0 m/s at the top of his trajectory, determine his maximum height (h) above the end of the ramp. Ignore friction and air resistance.

**math**

One 15 pound bag of lawn fertilizer covers 350 square feet. Garden Depot sells full bags of fertilizer for $7.89. What will the cost of enough fertilizer to cover a 42 foot by 80 foot lawn?

**physics**

An airplane travels 3900 km at 810 km/h, and then encounters a tailwind that boosts its speed to 950 km/h for the next 3000 km. What was the average speed of the plane for this trip? 3900+3000 6900 6900/8 862.5

**Physics**

10.58 m/s

**Math**

Find the surface area of the a square pyramid.The A = 3 m and H = 4.5 m?

**geography**

well that wasn't nice

**statistics**

A casting director wishes to find one male and one female to cast is his play. If he plans to audition 5 males and 7 females, in how many different ways can this be done? DO NOT put a comma in your response.

**Math**

I can't unscramble this. GONUENRIC It deals with Geometry.

**LA - 1 question**

Thank you so much Santana!

**physics**

1. A billiard ball of mass mA = 0.4 kg moving with a speed vA = 2 m/s strikes a second ball, initially at rest, of mass mB = 0.4 kg. As a result of the collision, the first ball is deflected off at an angle of 30.0o with a speed v’A = 1.2 m/s. Taking the xaxis to be ...

**LANGUAGE ARTS !! 8TH GRADE**

Thx anonymous! ANONYMOUS IS RIGHT

**physics**

An Olympic diver falls from rest from the platform 10m high. At what velocity does the diver hit the water is acceleration in 9.8m/s^2. Do I assume "rest" means a initial velocity of 0? Could the formula be: d= (vf^2-vi^2)/2(a) ? as in d=10, a=9.8 vi=0 vf = √(d...

**algebra 2**

Mine didn't come out right though?...

**algebra 2**

h(t)=-4.9t^2+30.5t+8.5

**algebra**

A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance. (a) Find a linear function that expresses the total cost C of owning the truck after t days. C(t) = 1 (b) The truck rents for $55.00 a day. Find a linear ...

**algebra**

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature, °F af 40 760 60 ...

**algebra**

A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln for various times (in minutes) is shown in the following table. Time, min Temperature, °F 15 ...

**college algebra**

There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year. N(t)= _____? (b) Using ...

**work force leadership**

A supervisor needs to produce metal nameplates for bicycles. Two machines are available. The first requires a single die that costs $600. The plates will take 3 minutes each to produce at a total cost of $60 an hour. The second machine requires no initial expense but takes 6 ...

**How long will it take the investment to double?**

14.4

**science**

Yes

**Chemistry**

Im studying for the MCAT and i found this question in my old chem book. i can't figure out how to derive the formula they are talking about... Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. 2 NO(g)+ O2(g) --> 2 NO2(g) The rate law is -[NO]/&#...

**Chemistry**

Im studying for the MCAT and i found this question in my old chem book. i can't figure out how to derive the formula they are talking about... Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. 2 NO(g)+ O2(g) --> 2 NO2(g) The rate law is -[NO]/&#...

**Chem**

Book doesn't have an answer for this one. Im just lost as to how to apply the ideal gas law to the rate law and constant. P=MRT => 155atm=(2mol)(0.0821)(298k)?

**Chem**

where does the rate law and rate constant come into play?

**Chem**

Im studying for the MCAT and i found this question in my old chem book. i can't figure out how to derive the formula they are talking about... Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. 2 NO(g)+ O2(g) --> 2 NO2(g) The rate law is -[NO]/&#...

**Chem**

Im studying for the MCAT and i found this question in my old chem book. i can't figure out how to derive the formula they are talking about... Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. 2 NO(g)+ O2(g) --> 2 NO2(g) The rate law is -[NO]/&#...

**chemisrty**

A 50.0 mL solution of 1.2 M HCl at 24.1C is mixed with 50.0 mL of 1.3 M NaOH, also at 24.1C, in a coffee-cup calorimeter. After the reaction occurs, the temperature of the resulting mixture is 29.8C. The density of the final solution is 1.05 g/mL. Calculate the molar heat of ...

**Algebra**

The ratio of the lengths of strings that play the guitar notes D and B is 27 to 16. If a string 64 cm long plays a B, what is the length of the string that plays a D?

**Introductory Algebra**

My teacher is 67 years old.

**calculus**

An electron, travelling at 2000 m/s, is suddenly influenced by an extreme deceleration of 3000 m/s2. How fast is it going 0.03 s later?

**algebra**

m+3(m-4)=16 2z-4(9-3z)=62 2b+8/5=-12

**math**

-n+8n=35 4x-7-7x=-1 -22+3k+6=-28 -2(m+7)=-22 m+3(m-4)=16 2z-4(9-3z)=62 2b+8/5=-12 g+4/7=6 9-3h/5=-6 4m-16/12=-3

**science HELP ASAP!!!!!!!**

Please I need those answers tooo!!!

**math**

-3h=9(2-3h) 5(t+7)=2(s+9) 6(s+4)=3(s+9) 2(p+2)=1.8-2-0.2(p+5)

**math**

30-2s=4s 13q-48=-3q 5z-43=2z+80 8f+11=-7f-19 9b-10=-b-18

**math**

-(6-c)+3(2c-7)=1

**math**

solve the equation -n+8n=35

**math**

doug earned $40 from weekend job. he spent 1/4 of it on cd and 1/5 on movie ticket. how much money does he have left?

**trig**

A computerized spin balance machine rotates a 35-inch-diameter tire at 400 revolutions per minute. (a) Find the road speed (in miles per hour) at which the tire is being balanced. (Round your answer to two decimal places.) (b) At what rate should the spin balance machine be ...

**math**

what is the lcd of 1/2 and 2/3

**math**

what is the least common multiple of 8,10

**socialstudies**

and really who gives them wikipidia any way

**socialstudies**

A the answer is A sheesh just say it and get it over with and ms. sue before you say anything i know what i did so give me any of the crap your giving avery body else

**Psychology**

The voltage at a receptor site has just changed from -70 millivolts to -75 millivolts as a result of an _______ and will ________. a). inhibitory postsynaptic potential;increase the likelihood of an action potential. b). excitatory postsynaptic potential;decrease the ...

**Statistics**

No typo, that is how the question reads. Can you check my answers? 1. 0.54 2. 0.52 3. 0.140608 4. 0.405224 5. 0.4746

**Statistics**

Ricardo's car rental offers five different types of vehicles, compact cars (CC), midsize cars (MC), sport utility vehicles (SUV), vans (V), and luxury cars (L). Historically, if a random individual comes to rent a vehicle, the following probabilities apply: P(CC) = 0.16 P(...

**math**

a cookie recipe calls for 2 1/4 cups of flour.the yield of the recipe is two dozen cookies.how much flour goes into each cookie?

**7th Grade**

All about plants

**Math**

600

**math**

What is the scenario for the question the capacity of a beaker is 150 m.l.. how many beakers can be filled from a 4 L container?

**beginning algebra**

the rays won 33 fewer games than twice as many games as they lost. the total games played was 162. how many wins and how many losses did they have?

**english**

Im doing a 8 paragraph project report on cherokee indians, i need a introduction, final draft, six body paragraphs and a conclusion for a total 8 paragraphs please help me it due the 12

**Math**

Binary: 1cm,2cm,4cm,8cm,16cm 1. 1 2. 2 3. 1+2 4. 4 5. 5+1 6. 4+2 7. 4+3+1 8. 8 9. 8+1 10. 8+2 11. 8+2+1 12. 8+4 anyways you get it

**Chemistry**

....question. what is the concentration of the sulfuric acid? Are we to assume that this is pure sulfuric acid, no water?

**math**

customers in 14 years = 51,200 (1-0.038)^14 Did they give you a formula for this?

**math**

same thing as the other one i answered the general case is: new value = (old value)X(1+/-percent change)^years remember that 1% = 0.01 in the above formuala, and that it's negative if it's "decreasing/depreciating" and positive if it's growing.

**english**

Book: Information you’ll need to cite a book Example- Powell, Kevin, ed. Step into a World: A Global Anthology of the New Black Literature. 2nd ed. New York: Wiley, 2000. 1. Author(s) or Editor(s)- last name, first name, middle is any, followed by a period 2. Title of ...

**chemistry**

9 times the MW of C plus 8 times the MW of H plus 4 times the MW of O. Add it all up

**Clinical Chemistry**

Thank you... Any ideas on ISE vs. flame photometry? I was thinking that maybe flame photometry comes out consistently slightly lower because it is hard to standardize? I mean, its hard to get the exact temperature of the flame to be precise (and accurate)?