胡雪8°

Pre-Calc Help Please Find the exponential function f(x)=Ca^x whose graph goes through the points (0,3) and (2,12). Thank you.?

A wave is traveling in water with a frequency of 155 Hz and a wavelength of 6.0 m. What is the speed of the wave?

physics help asap pls double check answer?

What is the molar solubility of Mg(OH)2 in 0.025 M NaOH? Ksp = 8.9 ✕ 10-12 for Mg(OH)2.?

Write equations for the reactions between (a) CO2 and NaOH(aq), (b) Na2O and HNO3(aq)?

need help please do step by step?

a sample of O3 is at 0 degrees celsius. If the volume and pressure both double, then what is the new tempertaure of this gas in Kelvin?

Sound travels an average of 343 m/s. How long does i take for sound to travel 1 km?

Given the points (3,6) and (0,1) What is the slope, and equation of the line between these two points?

Gas A is 16 times denser than gas B. 100 cm3 of diffuses in 20 seconds. Calculate the volume of B that will diffuse in 30 seconds?

How many grams of SrSO4 must be dissolved in water to produce 1 L saturated solution?

How many miles of hydrogen gas are needed to react with 15.1 moles of chlorine gas? H2 + Cl2 --> 2HCl?

Find the height of the cone with the diameter of 2/3 foot:Volume=1/18*3.14ft^3?

I need to find the mass of 1.1 x 10^23 gold atoms. How would I do it? Thanks!?

steps for 4(3x-3)^2/3=36 find x?

Prove that each of the following identities is true:?

please show me the steps to integrate 12x/(3x^2-2)?

How many grams are in 9.45 x 10^23 molecules of H2O?

Why does barium chloride fail to react with transition metals?

Trig questions please help?

Find the equation that is perpendicular to the line y=3, passing through the point -4,-3. With explanation how to solve.?

f(x) = x^3 − 8x^2. Find the point(s) on the graph of f where the tangent line is horizontal.?

When a block is simultaneously pushed southward with a force of 18 N and northward with a force of 11 N,?

what type of bond is present in sulphur?

Chem Help!!!?

When does lime water turn milky when co2 is passed though it ? Give balance chemical equation.?

maths proving question?

what will happen if you boil a solvent mixed with dissolved salt?

Given y= sin kx/ 1+cos kx, where k is a positive integer, show sinkx d2y/dx2=k^2 y^2?

What average force is required to stop a 1900 kg car in 9.0 s if the car is traveling at 95 km/h ?

Determine the mass of NaCl necessary to lower the freezing point of 300 mL of distilled water to -10C?

Determine the mass of NaCl necessary to lower the freezing point of 300 mL of distilled water to -10C?

How would you simplify the polynomial (2x - 3) - (-x + 2)?

LAB CHEM QUESTION NEED HELP?

How many grams of H2 are needed to produce 14.88 g of NH3?

Which compounds having the same normality and molarity ???

Q/: The transition metal ions having empty or complete d orbitals are colorless, but why KMnO4 is intense purple?

Solve for x? The hypotenuse is 8, the side opposite is not there, i need to find x which is the side adjacent. The acute angle, opposite?

chemistry homework?

Algebra 2 Problems?

A cylinder of nitrogen gas has a volume of 20L at SATP. What would the volume of gas be at 30°C with a pressure of 900 kPa?

What is the initial temperature of the titanium?

Chem please?

Pre-Calculus help!?

Kinematic question with projectiles?? Please help?

How to determine which has greater charge density?

How many grams NaCl should be weighed out to prepare 1 L of a 100-mg/L solution of (a) Na+ and (b) Cl−? the answer is (a) 0.254 g/L but how?

(0.15*1.23)/1 = (x*20)/2?

If sin 0= 15/17, then:?

Chemistry reaction classifications?