# Posts by Kath

Total # Posts: 21

Physics
How much heat must be removed from 456 g of water at 25.0°C to change it into ice at -10.0°C? The specific heat of ice is 2090 J/kg ? K, the latent heat of fusion of water is 33.5 × 104 J/kg, and the specific heat of water is 4186 J/kg ? K.

algebra
Finde three consecutive integers such that the sum of the first and third is 16

math
one half of jeans age two years from now plus one third of her age three years ago is twenty years. how old is she now?

Math
the temperature at six o clock in the morning which is 26.5°c became 31°c . What was the average temperature?

trigonometry
why does supplementary angles always have the same sin?

Math
The base of an isosceles triangle is 4x cm long.The altitude to the base is 6cm long.Find the length of a leg of the triangle.

physics
as 1kg

Physics
what is the northward and eastward components of a 550 kph velocity of an airplane going NE?

Physics
what is the northwest and eastward components of a 550 kph velocity?

english
One does not set fire to the roof and then go to bed. I think this is a compound sentence cos it has two sentences. "one does not set fire to the roof." and * is the coordinating conjunction "go to bed." what do you think?

Math
44%

History
Why did they name the case Brown v. Board of Education. They were all 5 cases but why did they name that case Brown v. Board of Education?

History Fair Notecard help!
Okay,thanks!

History Fair Notecard help!
How do you do history project notecards? I forgot how my teacher did it.

math
The average number of calories in a 1.5 ounce chocolate bar is 225. Suppose that the distribution of calories is approximately normal with standard deviation =10. Find the probability that a randomly selected chocolate bar will have a) Between 200 and 220 calories b) Less than...

math
0.21 dividen BY 1.25

Physics
Does the period of a satellite in a circular orbit increase or decrease as its distance from earth increases? Thanks :)

Money
How much would £800,000 gain in interest over 30 years