Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 62

**Math**

A ferris wheel has a diameter of 10 m and takes 24 sec to make one revolution. The lowest point on the wheel is 1 m above the ground. (4 marks) a. Sketch a graph to show how a rider's height above the ground varies with time as the ferris wheel makes a rotation. Assume the...

**Math and Music**

I have to do a presentation on how math and music relate. I have found some things and facts but everything is so complicated. If someone could help explain to me how I can narrow my topic down and make a presentation that is simple but effective. It can be anything within the...

**Math palette of problems**

If 2/9 gallon of water fills a bucket 3/5 full, how many gallons of water are needed to fill the bucket?

**Physics**

A block is sliding along a frictionless surface at a speed of 3.6 m/s. It hits a spring of spring stiffness constant k = 150 N/m. How far has the spring compressed when the block comes to a stop?

**Physics**

Paige and Julia are playing volleyball. Paige is in spiking position when Julia gives her the perfect set. The 0.226-kg volleyball is 2.29 m above the ground and has a speed of 1.06 m/s. Paige spikes the ball, doing 9.89 J of work on it. Determine a) the total mechanical energ...

**Chemistry**

Six sig figs.

**geometry**

36 units

**math**

least to greatest 1/8,1/10,1/7

**circle geometry**

The correct answer is 301. Steve, in the first line is 129, not 29... and you shouldn't work with decimals because in the end the ugly dominator simplifies with the numerator.

**Biology! pleaseee helppp**

please help

**Biology! pleaseee helppp**

About 70% of the human population can taste the bitter chemical phenylthiocarbamide (PTC), which is found in foods like broccoli. The allele, T, for tasting PTC is dominant over the allele, t, for not tasting it. Calculate the allele frequencies using the Hardy-Weinberg equati...

**Physics**

A 59-kg housepainter stands on a 16-kg aluminum platform. The platform is attached to a rope that passes through an overhead pulley, which allows the painter to raise herself and the platform. (Ignore the mass of the pulley and any friction in the pulley.) (a) With what force ...

**Physics**

A box of mass m2 = 3.1 kg rests on a frictionless horizontal shelf and is attached by strings to boxes of masses m1 = 1.6 kg and m3 = 2.6 kg as shown below. Both pulleys are frictionless and massless. The system is released from rest. After it is released, find the tension in ...

**Biology **

Which of the following statements correctly compares the functions of a plant's roots and stem? The stem contains a high percentage of cells that provide structural support, unlike the roots. The stem is the first part of the plant to emerge from a seed, followed by the ro...

**math**

i don't get it...

**Government**

Marbury v Madison

**Government**

This case came about because President Marbury refused to honor the last-minute judicial appointments of Pres. Madison. A) True B) False 2. Marbury wanted the courts to issue of writ of mandamus, a court order forcing Jefferson to give him his commission. A) True B) False 3. T...

**government**

Which of the following is NO LONGER necessary for the right to vote?A) RegistrationB) CitizenshipC) Residency D) Land Ownership

**Spanish**

Fill in the blanks with words from the box. estés molesta plástico recicle sea Es posible que reciclar (1) una de las mejores formas de proteger el medio ambiente. Quizás no te das cuenta (you're not aware), pero reciclar vidrio, aluminio y (2) ahorra ...

**Spanish**

Fill in the blanks with the subjunctive form of the verbs. 1. Me alegro de que el ecoturismo (ser) un buen negocio (business). 2. Es una lástima que tú no (reciclar) el vidrio. 3. No crees que ellos (querer) usar energía solar. 4.Ojalá todos nosotro...

**Biology **

The Kingdom Monera has been separated into two domains, the Archaea and the Bacteria. Which of the following was most important in prompting scientists to change the way these organisms were classified? a.)Major differences were discovered in the structure and operation of the...

**communication**

I need to complete an outline and thesis statement on "Two female Chihuahuas living in the same household.I don't understand how and what information to write.

**science**

Two mineral samples have the same mass. Wich of the following statements is therefor true

**Math**

How does ruling out possible answers help you find the correct answer

**Math**

Simplify the Ratio 4in : 1 yd

**Spanish**

Please unscramble these Spanish words mincara, carbaa, tauerdis, tagsur, suar, qarilaul, caars, sotrecnat, piormcatr, bajra, gelral.

**science **

The enzyme that opens up the DNA double helix during replication.?

**science**

DNA is copied during a process called.?

**math**

$80 $110 $130 $160 $210 $650

**physics**

A mass was dropped from a height of 20m. (a) find its speed at impact. (b) what can you say about the initial GPE of the mass and the KE of the mass just as it hits the ground?

**physics**

From a tree that is 15m tall, a fruit of mass 2kg falls to the ground. (a) find the initial GPE (b) find the speed at impact (c) find the KE at impact (d) how much energy was lost to heat and sound after the mass came to rest?

**physics**

A mass of 2kg was thrown straight up with a speed of 15m/s. (a) find the initial KE (b) how high does the mass rise? (c) what is the GPE of the mass at the highest point?

**chemistry**

calculate the mass in grams of .354 moles of NH3

**algebra 2**

what is the quadratic function that has the roots (4+3i) and (4-3i)

**math**

How many people were at a party if There were 105 handshakes at a party and if each person at the party shook hands with exactly once with every other person. The answer is 15. How do I write the problem?

**Math PIZZAZZ**

it cant be halo...there are 14 answers

**9th grade**

What is an example of natural selection in everyday life?

**Art**

okay, ummm my teacher wants us to write down what a proportion and scale isand what an economy is in art. So what are those????!!! I'm so confused! :P plz help!

**math**

ummm how old r u?

**Physics**

highway saftey engineers build soft barriers so that cars hittingthem will slow down at a safe rate. a person wearing a saftey belt can withstand an acceleration of 300 m/s how thick should barriers be to safely stop a car that hits a barrier at 110 km/h

**physics**

a plane travels 5.0 x 10^2 while being accelerated uniformly from rest at the rate of 5.0 m/s. what final velocity does it attain?

**Physics**

an astronaut drops a feather from 1.2 m above the surface of the moon. if the acceleration of the gravity on the moon is 1.62 m/s down , how long does it take the feather tho hit the surface

**physical science**

The density of copper is 8.92 g/cm (cubed). If you plotted the mass of copper in grams versus the volume in cubic centimeters, what would the slope of the line be?

**Government Check**

^^agreed.

**5th grade Math**

?????? i dont get it

**riddles**

is this home work

**CIVICS DUE TOMARROW PLZ ANSWER**

umm this doesn't answer my question. I can not find it on the website.

**chemistry home work**

2 examples on sediment plz reply fast...

**algebra**

in my workbook it says give the opposite of each expression and the problems are: -10t+21 -x+2z there are alot more but i thought if someone explained a couple of these to me maybe id understand the rest. idk just please help me!!!

**Basic Math**

composite means that the # can be divided by one and it's self. so that means the anser is B

**spelling**

It says find 1 vowel and 1 consonat

**spelling**

there's a problem on my worksheet and it gose like this "to add the er suffix to words ending in a stressed sylable with one vowel and one consonant,___________________________." I've got that but then it asks for an example thats ware i'm stuck.

**algebra**

if the line is 3-5 then draw 2 lines from the 3 (on the side) and the 5 (on the bottem)and conect then.

**math**

THAT IS HARD WHAT GRAGE ARE YOU IN 100th!!!!

**Math**

no

**chemistry**

what if more NO is added?

**chemistry**

for this reaction: 2NO + heat <-> N2 +O2 which way would the equillibrium shift if catalyst is added?

**science**

5 reasons that the eagle helps the ecosystem?

**Trig**

How do you tidy it up?

**World History**

What was the Bill of Rights influenced by? This is an interesting article that will help you answer your question. http://bessel.org/billrts.htm

**Geometry**

I need help with vertices! The vertices of triangle FGH are F(1,1), G(3,-5),H(6,0). Find the coordinates of the vertices after a refelection over the y-axis. I'm not sure how to do this. Is there a certain formula I need to know? The reflection across the y-axis negates th...

**unscrambling word**

i need help unscrambling fraaBskte can someone please help me this is homework and i nned really badd helppp.

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