You have to do 3 2
--- + ---. You have to do 3 + 2 which is 5, and leave the
8 8 denominators the same, so the answer is 5/8.
I hope you know what '!' means
2!=2
3!=6
4!=24
basicalkly times every natural number including and before that number
nCr=

so

=

=

=

=

=

=

=

=

=

=
Answer:

Step-by-step explanation:
To calculate an area of a rectangle, use the formula A=l*w. We know the width is 7m greater than the length. So w = 7 + x. So the area is A= (7+x)*x.
We also know the area is 170. Substitute this value for A and solve.
Yes
Reason - figure b has been increased by 3 (x3 for each side)
Eg. figure b - 1. Figure a - 3
Answer:
<h2>1</h2>
Step-by-step explanation:
Use the Pythagorean theorem:

We have

Substitute:

<em>subtract 9 from both sides</em>

