why is it possible for iron ships to float o water,but needles sink when dropped in water​

7th grade help me please:) John jogged 4.5 miles on Thursday, 7 2/5 miles on Friday, and 10.4 miles on Saturday. How many miles does John have to run in order to run 25 miles for the week im giving 20 points 15 = 5/ 3(x + 12) solve for x in simplest form Round the number 2.72603 to 2 decimal places. The PE of an object is 2500 j. What is the mass of the object if it 4.0 m above the ground? How did inventions change peoples lives? A computers random number generator produces random integers from 1 to 50. What is the probability that the first 3 integers generated are single-digit numbers? Hippocrates improved the practice of medicine by:Advocating a sound diet and good hygiene.Collecting descriptions of symptoms of various illnesses.Encouraging collaboration of ideas between doctors.All of the Above There are 24 carnations in each bunch and 12 roses in each bunch. Use your expression from question 1 or question 2 to determine the total number of carnations and the total number of roses Alison will distribute to each flower shop this week. sorry but i have another question :| tysm all yall for helping meee ^w^ what role do clouds play in the water cycle Cultural relativism tends to promote one's own culture. Which of your ancestral culture and traditions are you most proud of? What is the balanced equation for the reaction of a solution of sodium sulfate is mixed with strontium chloride?Select one:a.Na2SO4(aq) + SrCl2(aq) = 2 NaCl(aq) + SrSO4(s)b.Na2SO4(aq) + SrCl2(aq) = NaCl(s) + SrSO4(aq)c.NaSO4(aq) + SrCl(aq) = NaCl(aq) + SrSO4(aq)d.NaSO4(aq) + SrCl(aq) = NaCl(aq) + Sr2SO4(aq) What is the difference inmomentum between an 87.2 kgfootball player running 2.87 m/s anda 0.0520 kg bullet moving 789 m/s? Arlene has raised $56 for her class field trip. This is $14more than three times the amount Adam has raised.Which equation could you use to find how much moneyAdam has raised? According to CAPM, a security with:A) an alpha of zero is able to generate a return which is greater than the market returnB) a positive alpha is considered overpriced, since the securityoutperforms the marketC) an alpha of zero is able to generate a return which is inferior to the market returnD) a positive alpha is considered underpriced, since the security outperforms the market If i added 27 grams of salt to water and saparated the solution with a hot plate what amount of salt will be left behind I have a bad grade in math so someone should help me with this PLEASEE please answer these how do you describe this painting? thank you for the answer:)