Answer:
a²+b²=126
Step-by-step explanation:
(a+b)²=a²+b²+2ab
(12)²=a²+b²+2×9
144=a²+b²+18
a²+b²=144-18=126
Answer:
bottom diagram
15 green
Step-by-step explanation:
5 green for every 2 blue
The bottom diagram matches that situation
5 green 10 green 15 green
2 blue 4 blue 6 blue
----- --------- ----------
3 diff 6 diff 9 diff
When she paints 15 green and 6 blue she has painted 9 more green than blue
Answer:
y=2x+8
Step-by-step explanation:
you move the 2x to the other side of the equation which makes its switch signs
Answer:
The first one or A because 3 times 2 is 6 and 4 times 2 is 8.
She can make 4.
Explanation:
First you gotta find the circumference of the circle which is 37.68
Circumference=Diameter•pi
Pi is 3.14 in case you didn’t know.
Now divide the amount of ribbon she has by the circumference and you get 4.77…
So to make it simple we just say 4 because she wont want to make 4 and a half invitations.
Brainliest my answer if it helps you out?
