Find the value of 2a+10 when a is equal to 4.5

If cos(a) = 2/3,find the value of cos(4a) Find the value of 2a+10 when a is equal to 4.5 Find the value of 2a+10 when a is equal to 4.5 Find the minimum value of A=x^2 + y^2 if x + y =10 Java find the approximate value of e using 2+(2!)^-1+(3!)^-1+(4!)^-1+... 帮我做几道英文数学题1.Find the value of 2x – 20. given that f(x)=2x-3,find the value of f(x+h). Find the value of sin 5pi/4 given that a+b=7 and ab=12,find the value of 2a(square)b+2ab(square) 关于相反数.关于opposite number.If |a|=4,|b|=3,a>b,find the value of (a+b) (a) h is less than 4(b) fifteen is equal than twice b.(c) given that A=bh,find the value of A when b=a and h=7(d) given that T=2兀/s,find the value of T when 兀=22/7 and s=1/7 急~~帮忙,英文数学题!An item marked at $M is sold at a discount of 2%. If the selling price of the item is $(M-0.12),find the value of M. urgent!if x satifies the equation sinx+cosx =√2,find the value of tan (x/2)with process 是英文版的哦!find the value of ratiofind the value of ratio :1.2million :360 thousand. The Value of a man's The figure shows the graph of y = sin x - k cos x(a) Find the value of k.(b) Solve 2k cos x + 1 = 2 sin x for 0° ≤ x ≤ 360° The figure shows the graph of y = sin x - k cos x(a) Find the value of k.(b) Solve 2k cos x + 1 = 2 sin x for 0° ≤ x ≤ 360° given that x=(Sin(2/5))^(-1),find the exact value of 1.(Cosx)^2 2.(Tanx)^2