A store owner bought a painting for $120. She is selling it for $190. What is the percent markup on the painting? Prealgebra

What are the mean and standard deviation of a binomial probability distribution with #n=190 # and #p=7/11 #?

James and Kathryn together had $190 in a savings bank. The amount in James's account was $30 more than 3 times the amount in Katherine's account. How much had each? Algebra

The mass of water is 190.4 g. > This is an exercise in the Law of Conservation of Mass. The equation for the reaction is color (white) (mmmmml)"4NH"_3 + "3O"_2 → "2N"_2 + "6H"_2"O" …

Feb 11, 2016 · When decaying by alpha emission a nucleus drops by 4 in mass number and 2 in atomic number and emits a helium nucleus (alpha particle) which has mass number 4 and …

Explanation: Let the number of students who cast votes be represented by the variable #color (blue)s#

Some very hot rocks have a temperature of #190 ^o C# and a specific heat of #90 J/ (Kg*K)#. The rocks are bathed in #270 L# of boiling water. If the heat of the rocks completely vaporizes the …

Dec 6, 2015 · #190 * color (blue) (T_"f") - 3800 = -1470 * color (blue) (T_"f") + 117600# #1660 * color (blue) (T_"f") = 121400 implies color (blue) (T_"f") = 121400/1660 = 73.13^@"C"# Now, …

Approx. 190*g... By definition, rho, is given by the quotient.... rho_"density"="mass"/"volume", and thus has units of g*mL^-1-=g*cm^-3... And so we simply rearrange ...

x=+-sqrt(a-v) v=sqrt(a^2)-x^2 Apply square root rule sqrt(b^2)=b. v=a-x^2 Add x^2 to both sides. v+x^2=a Subtract v from both sides. x^2=a-v Take the square root of both sides. sqrt(x^2)=+ …