7x+24.5y=50
15x+112.5y=100
i cant...
3n²+10n+7
$\cos(\alpha) = \frac{a_x}{\vert\vec{a}\vert} = \frac{2}{\sqrt{14}} \implies \alpha = \arccos\left(\frac{2}{\sqrt{14}}\right) \approx 57,69^\circ$...
5.The random variable ‘X’ has probability distribution given in the table below.
x -1 0 1 2 3
P(X=x) p q 0.2 0.15 0.15
Given th...
sketch the graph
y=(0.5)^x +1
1238 nhân x chia 10=11761
tìm x
1+1
$\sqrt{121}$
in a division with a remainder, the divisor is 151 and the quotient is 305. If the dividend 46,
196, what is the remainder?
