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Q1) The valency of an element A is 3 and element B is 2. Write the formula of the compound forned by combination of A andB?

How do you solve #x^3 + 2y^3# for x = 7 & y = 1?

How many moles of gas are in a 4.5 meter cylinder at 105K with a pressure of 2.0atm?

How do you solve #5( x  2)  ( 4x + 4) =  4#?

Question #95d43

Is #f(x) =(x2)^3/(x^2/3+1)# concave or convex at #x=6#?

How do you graph #f(x)= (2x^2+7x15) / (x+5)# and identify all the asymptotes and domain?

How do you solve #\frac { 4} { d + 8} = \frac { 7} { d  18}#?

4 knives and 5 forks cost £4.90 in total. 7 knives and 3 forks cost £5.70 in total. How much do they each cost?

What is #ln(i^2)# ?

How do you find the vertex and the intercepts for #f(x)=x^2+7+6#?

What is the vertex form of #y=4x^2 + 8x − 19 #?

How do you find the vertex and the intercepts for #y=x^22x3#?

Question #787e6

For what values of x is # f(x) = e^(4x)4e^(2x)+e^x # concave or convex?

How do you divide #( 3x^3+ 16x^224x+9 )/(x + 1 )#?

What are the points of inflection of #f(x)=cos^2x # on the interval #x in [0,2pi]#?

If #f(x) =e^(2x7) # and #g(x) = 3/x #, what is #f'(g(x)) #?

Question #a5e49

Question #5d3e4

How do you find the vertex of #f(x)= 6x^2+ 5x + 18#?

Question #1427c

How do you add #13\sqrt { 21x ^ { 13} } + 10\sqrt { 21x ^ { 13} }#?

Question #3b507

How do you simplify and find the restrictions for #(x^2+3x18)/(x^236)#?

How do you solve #\frac { 18} { x  2}  \frac { 4} { x  1} = \frac { 4} { x ^ { 2}  3x + 2}#?

Question #569f0

Is #f(x) =sqrt((x12)(x+3))x^2# concave or convex at #x=6#?

Which quadrants and axes does #f(x)=xsqrt(x+5)# pass through?

Few Questions??