Tegan

In a population of exam scores, a score of x=88 corresponds to z=+2.00 and a score of x=79 corresponds to z=-1.00. Find the mean and standard deviation for the population.

Which of the following is equivalent to f(x)=-x^2-6x+2 ? a) f(x)=-(x+3)^2-7 b) f(x)=-(x-3)^2-7 c) f(x)=-(x-3)^2+11 d) f(x)=-(x+3)^2+11

A 135g sample of ice is in a freezer at -21 degrees celsius. It is removed from the freezer and allowed to melt and the resulting water warms up to the room temperature of 23 degrees celsius. How much energy is absorbed by the 135g sample? The specific he...

1.20 g of hydrogen gas is completely burned in the presence of excess oxygen gas in a bomb calorimeter producing water. The heat capacity of the calorimeter is 9.43 kJ/°C and the temperature of the calorimeter rose from 25.55 °C to 41.97°C. Calculate the...

5.61g of potassium hydroxide(KOH) were dissolved in 200.0 ml of water. The temperature of the water rose from 20.0CE to 27.0CE after dissolving. Calculate the molar heat of dissolving for KOH mKOH =5.61g Tf=27C mH20=200g Ti=20C Tf=27C c=4.18 Q=mct= (200)(...

6.2g of NaOH is added to 800ml of water What is the molarity of the solution? What is the pH?

sara bought at least 10.5 pounds of oranges. she divided the oranges into 3 equel amounts. which inequality can find the least amount that can be in each group?

Explain how microclimatic conditions may vary from climatic dictates

n=m/M = 1.2/4 =0.3 mols q=ct = (9.43)(16.42) I am stuck here

S Tickets= $4 each A Tickets = $6 each S Tickets = 12 more than A 6+4= 10 and then divided by 548 is 54 remainder 8. If you add the remainder its 62 and subtract twelve its fifty. Add them together! Not sure if it helps