Question

A box contains 90 days which are numbered from 1 to 90. If one days drawn at random from the box, find the probability that it bears a perfect square number

Answer 1

Answer:

Hey mate

anSwer

\begin{lgathered}1. \frac{ 1}{2} = \frac{ - 2}{3 } \\ cross \: multiply \\ 1 \times 3 = - 2 \times 2 \\ 3 = - 4 \\ not \: equal\end{lgathered}

1.

2

1

=

3

−2

crossmultiply

1×3=−2×2

3=−4

notequal

\begin{lgathered}2.monomial \: = \: 5x \\ binomial = 3x + 5y \\\end{lgathered}

2.monomial=5x

binomial=3x+5y

3. \frac{12}{40} = .33.

40

12

=.3

4.perimeter \: of \: rectangle = 2 \times (l + b)4.perimeterofrectangle=2×(l+b)

Hope it helps uh