1y - 1/x = 1/60 = x*y =60 = x=60/y
3y - 2(60/y) = 6
3y^2-120=6y
3(y^2-40-2y) =0
y^2-40-2y=0
y = 7.4
3(7.4)-2x=6
22.2-2x = 6
2x = -16.2
x = -8.1
Need more information to answer this!!!!
Answer:
33
Step-by-step explanation:
35 take away 1 is 34 take away one more its 33
Answer:
Ou seja, nesse caso, 15 reais para cada uma, escrevendo de uma maneira mais simples:
" 15 para as duas"
E assim obtemos a resposta, a letra b) 1:45, pois são 15 para as duas.
Step-by-step explanation:
Ok so your original equation was y=4(x-2)²-1
Therefore we need to expand the bracket to find the original equation.
To do this we need to find (x-2)²=x²-4x+4
Now we multiply this by 4 and subtract 1
4x²-16x+15 Therefore B is the answer
