Monday

July 28, 2014

July 28, 2014

Total # Posts: 376

**Math-grade 4**

I have 12 with a remainder of 3. my teacher wants us to round and estimate. please help! do I round it to 7 divided by 70?

**Math-grade 4**

what is the estimated quotient of 6 divided into 75?

**math **

katie is 4 years younger than sylvia. let k represent katie's age and let s represent slyvia's age.

**algebra**

It's m-3

**MATHS**

Is there any reason why f(g)=g^2+3 why do we replace the x with g? Sorry steve im trying my hardest to understand this

**MATHS**

Thank you steve It says i need to find f(g), i got a different result for some reason help please! And also in the second part, how did you get g^-1 = (x-1)/2 Thank you steve x

**MATHS**

Critical help please. Level 3 maths algebraic methods is really hard. Q) Two functions f and g are defined by f:x (arrow) x^2 + 3 g:x (arrow) 2x+1 Find a) the function fg b) solve the equation f(x)=12g^-1(x) I need to show my working out, please help someone

**Maths**

If tom got 200 euro for his birthday. He spent 1.0 how much did he spend?

**English**

What type of poem is this ? We found his flag one bitter morning And knew our hopes had come to woe. We had come pursuing glory But ended freezing in the snow. 1. The stanza of the poem offers an example of (1 point) slant rhyme. end rhyme. perfect rhyme. * internal rhyme. I t...

**Math**

Mrs. Yale wrote a number between 35 and 48 on her board. The sum of the digits is 7. What number did Mrs. Yale write on her board?

**English**

Yes, I know what similes and metaphors are. My question is where are their examples of similes and metaphors in the story?

**English**

In the story The Necklace written by Guy de Maupassant what are the examples of similes and metaphors?

**ashworth**

i go to the same school for homeschooling and i need help with the same question

**Business law**

The state of Confusion enacted a statute requiring all trucks and towing trailers that use its highways to use a B-type truck hitch that is presently being manufactured by only one manufacturer, which is located in Confusion. The result of this statute is that any trucker who...

**chemistry **

a 3.00g sample of baking soda is heated and decomposes according to the reaction below. Calculate the theoretical yield in grams for each of the three products Na2Co3. H2O, CO2

**chemistry**

From the following Information, calculate the standard change of enthalpy for the combustion of coal. SHOW WORK AND BALANCED REACTION!!! Compound DeltaHf (kj/mol) Coal 0.0 Carbon dioxide -393.5 Water (l) -285.9 Oxygen 0.0

**chemistry**

From the following Information, calculate the standard change of enthalpy for the combustion of coal. SHOW WORK AND BALANCED REACTION!!! Compound DeltaHf (kj/mol) Coal 0.0 Carbon dioxide -393.5 Water (l) -285.9 Oxygen 0.0

**chemistry**

What is the molar solubility of Sr3(AsO4)2 and the concentration of Sr^+2 and AsO4^-3 in a saturated solution at 25C? the Ksp is 1.3 E -18. Show the balanced reaction.

**Math**

How would I prove: 2^n + 2^n = 2^(n+1) The question asks for correct formatting in giving proof however I don't recall learning this before. Any help would be appreciated!

**Math**

12. A particular power boat travelling at V0 km/h when its power is turned off it will have its speed V given by V(t) = V0 x 10^-0.18t where t is the time in seconds since the engine was turned off. If this boat was travelling at 50k/h before powering down, construct a table s...

**math**

THANK YOU MY GOD YOU SAVED MY LIFE

**Chemistry**

If 150.0 grams of iron at 95.0 degrees Celcius, is placed in an insulated container containing 500.0 grams of water at 25.0 degrees Celcius, and both are allowed to come to the same temperature, what will that temperature be? The specific heat of water is 4.18 J/g degrees Celc...

**Geometry**

i have the same question in my class too so thank you

**Physics **

A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.15 m/s at an angle of 18.5o below the horizontal. It strikes the ground 3.30 s later. How far horizontally from the base of the building does the ball strike the ground? What ...

**physics**

Describe in detail an experiment to find out the half life of a radioactive material

**physics science**

Please can you help as I am stuck, Describe ib detail, how you would carry out an investigation to measure the density of a block of aluminium? Thankyou

**physics science**

Sorry can someone please so me how to do this thanks

**physics science**

Sorry I don't understand this I have do decribe in detail the investigation could you please give me some pointers on how to start Thanks again

**physics science**

Please can you help as I am stuck, Describe ib detail, how you would carry out an investigation to measure the density of a block of aluminium? Thankyou

**Calc**

We are working on finding the intervals of convergence of power series in class. Why do we not have to test for the convergence of the endpoints for geometric series? They always seem to diverge. Is this a set rule when working with the geometric series for this type of problem?

**irish**

thank you they were very helpful and thank's again

**irish**

im sorry for being cheeky i just find this hard

**irish**

its not an assignment and i was only asking if anyone understood this im sorry ok

**irish**

25 sentences on how you WILL SPEND! a day either at the weekend or tomorrow, a school day, or any piece of writing in the future tense. in irish can you help with a couple of them please!

**health and social care**

can you tell me about the nature vs nurture debate please thankyou

**Maths**

In the spring, 80% of the sheep in a flock of sheep had lambs. of those sheep with lambs, 30% had one lamb, 40% had two lambs and the rest had 3 lambs. a total of 240 lambs were born. how many sheep are in the flock? you must show your working.

**science**

please help

**science**

preparation of copper sulphate crystals excess copper oxide is needed above a)how do you know the solid is in excess? b)how do you remove the excess? c)what colour is the solution? d)give the next to steps to make crystals?

**MATHS**

the 50p is a 50p piece it says in the book it is less than 50p (money)

**MATHS**

please help

**MATHS**

matt and ruba each have one coin. The total amount of money is less than 50p. work out the probability that exactly one of the coins is a 10p piece. assume that all possible coins are equally likely.

**maths**

please help as soon as possible

**maths**

matt and ruba each have one coin. The total amount of money is less than 50p. work out the probability that exactly one of the coins is a 10p piece. assume that all possible coins are equally likely. please can you explain i have to know how to do this

**CHEMISTRY**

Thank you

**CHEMISTRY**

thank you so is AL2O3 3 elements Ca(HCO3)2 4 elements

**CHEMISTRY**

please help

**CHEMISTRY**

how many elements in (NH4)2SO4

**chemistry ASAP**

name the following: H2SeO3 H2TeO2 PO3^3- HCLO4 Please explain how to find the names !!!!!

**Physics**

The conducting rod ab shown below makes frictionless contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.855 T, perpendicular to the plane of the figure. The length L of the rod is 25 cm. (a) Find the magnitude of the emf induced in the rod wh...

**math**

what is the total price of a sweatshirt that is priced at $48 and taxed at 6.5%?

**6th**

what is the sum of 3142,6328, and 4743 to the nearest thousand?

**maths**

a car travels at a speed of 35mph how long would it take a car to travel 7miles

**physcis!**

A car accelerates from rest at 4.9 m/s2. How much time does it need to attain a speed of 6 m/s?

**physics! please help!**

A car accelerates from rest at 4.9 m/s2. How much time does it need to attain a speed of 6 m/s?

**Physics**

Two ants race across a table 65 cm long. One travels at 5.76 cm/s and the other at 3.99999 cm/s. When the first one crosses the finish line, how far behind is the second one?

**Calculus**

The graph A(x) has points (-3,0), (0,-2), (1,0) and (2,3). If C(x) is defined by C(x)=A(2x+3), then what is the domain and range of C and how would the graph of C(x) look like? Also, is there any way to find what the actual equation of A(x) is with the points listed above? Tha...

**Physics**

An object, that is 3.25 mm high is placed 16 cm in front of a lens. The image produced by this lens appears 6.0 cm behind the object, as the figure shows. (a) What is the focal length of this lens and what type of lens is it? (b) What is the height of the image? Is it real or ...

**Physics**

An object 0.600 cm tall is placed 16.5 cm to the left of the vertex of a concave mirror having a radius of curvature of 22.0 cm. (a) Draw a principle-ray diagram showing the formation of the image. (b) Calculate the position, size, orientation (erect or inverted), and nature (...

**Physics**

A speedboat, starting from rest, moves along a straight line away from the dock. The boat has a constant acceleration of +3.00 m/s2. A siren on the dock is producing a 755 Hz tone. Assuming that the air temperature is 20.0oC, what is the frequency of the sound heard by a pers...

**sciencs**

what is denser, 1 grams of gold or 1 kilograms of copper? why?

**physics**

additional information:the distance between wire 1 and wire is 25 cm and the distance between the wire 2 and point A is 12 cm.

**physics**

Consider two current carrying wires shown below. The current in the wire 1 is 4.5 A in the positive x direction. Find the magnitude and direction of the current in wire 2 if the net magnetic field at point A is to be 7.5 μT in the positive z direction (coming out of the p...

**Physics**

The conducting rod ab shown below makes frictionless contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.855 T, perpendicular to the plane of the figure. The length L of the rod is 25 cm. (a) Find the magnitude of the emf induced in the rod wh...

**Physics**

The conducting rod ab shown below makes frictionless contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.855 T, perpendicular to the plane of the figure. The length L of the rod is 25 cm. (a) Find the magnitude of the emf induced in the rod w...

**Physics**

But that only gives me the force. I need the charge to help me find electric field

**Physics**

A proton is released from rest in a uniform electric field. After the proton has traveled a distance of 10.0 cm, its speed is 1.4 x 106 m/s in the positive x direction. Find the magnitude and direction of the electric field.

**physics**

Find the magnitude and direction of the net electrostatic force exerted on the point charge q3 in the figure below, where q = +2.5 μC and d = 28 cm. The picture is of a square. q1=+q, q2=-2q, q3=-3q, q4=-4

**physics**

Find the magnitude and direction of the net electrostatic force exerted on the point charge q3 in the figure below, where q = +2.5 μC and d = 28 cm. The picture is of a square. q1=+q, q2=-2q, q3=-3q, q4=-4

**Physics**

Ok that makes much more sense. Thank you for your help!

**Physics**

I dont understand what you're trying to say when you're saying to add. Can you elaborate more?

**Physics**

I dont understand what you're trying to say when you're saying to add. Can you elaborate more?

**Physics**

A charge q =+ 4.11 x 10 - 9 C is placed at the origin, and a second charge equal to -2q is placed on the x axis at the location x = +1.00 m. (a) Find the electric potential midway between the two charges. (b) The electric potential vanishes at some point between the charges. F...

**english / laungage **

3. In “The Celebrated Jumping Frog of Calaveras County,” Jim Smiley’s horse wins races by A) attacking all the other horses in the race. B) raising a lot of dust so the other horses can’t see where to go. C) barreling past the other horses, after having a h...

**microbiology**

What dilutions would have to me made (from a starting concentration of 5 x 10^8 cells per ml) to achieve a final concentration of 1 x 10^3 cells per ml?

**math**

A crime wave

**math**

A crime wave

**math**

A crime wave

**english **

how do you start a good beggining of a story plz help

**math**

how do you do translations

**College Algebra**

Angela cam comlete a project in 2 hours. it takes Jason 3 hours to complete the same project. how long will it take for them to complete the project together?

**science**

thankyou jai

**science**

julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.

**science**

julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.

**science**

sorry theres something wrong with what has just happened

**science**

julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.

**General**

An advertisement has the best chance for success if it: is accompanied by loud music and rapid banter. is above threshold. contains a single subliminal message. contains a grouping of words repeated below threshold.

**Psychology**

Which one of the following statements about the gate-control theory is true? Pain impulses create a gate leading to the brain. The brain is capable of generating pain on its own. The gate closes when pain messages go to the brain. Damage to small nerve fibers lets pain through...

**Psychology**

The "face module," located in the right temporal lobe of the brain, explains why: the cells fire when a dog lover looks at pictures of show dogs. infants are not afraid to go to strangers. ganglion cells in this area respond to simple features. we need only the right...

**Chemistry**

EEG, PET, and TMS are all: (Points: 5) laboratory observations that introduce experimenter bias into the study. descriptive methods for studying the brain. standardized methods for studying the brain. experimentally controlled technologies for brain-wave analysis. I think it ...

**Science**

The brain can be studied by using: (Points: 5) electrical, biochemical, and magnetic means. radio frequencies, computers, and neurotransmission. neurotransmitting, electrical, and biochemical means. biochemical, neurotransmitting, and magnetic means. i think it is C but not sure

**general**

A tragedy hits a small town. The elementary school explodes into flames trapping several classes of second graders. Because the volunteer fire department will take too long to get there, teachers and classified staff remove all the children to safety without considering the d...

**science**

rosie tried to use a maganet to stick a memo on to her mirror it would'nt stick. explain why!

**Psychology**

Which one of the following statements about intelligence is the most accurate? IQ is a valid measurement, and environmental factors do not change mental ability. Intelligence is mostly genetic, has the most variability between groups, and is reliable regardless of the environm...

**maths**

can you show me how to do it

**maths**

please help me

**maths**

shane wants to paint the outside of his house, the area to be painted is 217m2. five litres of paint will cover an area of 62m2. how many litres of paint will shane need to paint the outside of his house!

**maths**

thanks

**maths**

899

**maths**

895

**maths**

1899

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