Answer:
Plug in your x value into your equation --> y=2x+3
Step-by-step explanation:
Do this for each x-value that's missing the y- value :)
Let's see.
We need to use a^2 + b^2 = c^2.
(1)^2 + (3)^2 = 4^2
1 + 9 = 16
10 DOES NOT EQUAL 16.
So, the answer to your question is no.
1- peter
2-lia
3-kenny
4-jennie
5-harvey
6-joyce
7-rick
8-mark
Answer:
80 countries participated in the 1980 olympics in Moscow.
Step-by-step explanation:
Hello, I think I can help you with this
You can solve this by using a simple rule of three
Step 1
define
140 countries participated in 1984,this was 75% more than the last time,this means that 140 is the 175% of a value that we need to know
if
140 ⇔175%
x? ⇔100%
the relation is

Step 2
solve for x

80 countries participated in the 1980 olympics in Moscow.
Have a nice day