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# How do I calculate expected value

There is a spinner with 8 sides 3 have a picture of cards, 3 have a picture of dice, 1 has skull, and 1 has double. The chance of picking the right card after the spinner lands on cards is 50% The...

# -60x^5+77x^4+6119x^3-4044x^2-99952x-24640

how to form into factored equation

# need help with equation

3(A+2=2(A-7 i sincerly dont understand equations and its been a long time im in collage and its been years since ii've done math

# any rules applied to find assumed mean

how to find assumed mean while solving problems like standard deviation or finding mean by direct method?

# 4t-13t-12=

i want to factor the equation

# 4x^2+26x-48

This is hared so I need help

# 6X-4y = 56 2x+6y == -40

solve: 6x-4y=56 2x+6y=-40

# the sales tax in a state is 8%.write an equation for the amout of tax t on an item that costs p dollars.

i need so help!!!!

# 3x^2-x+1=0

How do you solve this equation?

# (x+3)(x-2)is less than or equal to 0

solve the polynomial inequality. express the solution using interval notation. (x+3)(x-2)is less than or equal to 0

# How do you factor x^2-x-3?

It says that if it is unfactorable then you have to find the discriminent

# gas stoichiometry question

A foul smelling gas produced by the reaction of HCL and Na2S: 2HCl + Na2S --> 2NaCl + H2S is collected in and a 1.00 L sample was found.  How many moles were found in the sample knowing the...

# What is the value of deltaE in kilojoules if the reaction is carried out at a constant pressure of 28.0 atom and the volume change is -2.35 L?

The reaction between bleach and ammonia to yield chlorine gas has a deltaH= -422 kJ What is the value of deltaE in kilojoules if the reaction is carried out at a constant pressure of 28.0 atom...

# solve the equation y^3+2y^2=9y+18

solve the equation y^3+2y^2=9y+18

# Can anyone help me with this Topographic Map project?

I need to create a topographic map of an imaginary place. My map has to be on regular printer paper. The map has to include At least 20 contour lines with none crossing, Contour Intervals/Index...

# Combined average

(18)/100 = 18% ; 5/(50)=10% ; why when the two numbers added together (13)/50 = 26%?  I thought the answer should be anywhere between 10% to 18%?

# a reciepe calls for 5.7 for a full reciep what is it fir 5.3 of the reciepe

if a full reciepe calls for 5/7 of a cup of granola how much would it take for 5/3 reciepe