1/10 of the thread is left because a connected to b is the thread and minus the 1/5 is 1/10 since 1/3 +total thread to begin wit.
Answer:
i also dont know
Step-by-step explanation:
im also in grade7 answering math
Answer:
548 and 213
Step-by-step explanation:
Use a linear function:
Let x = 1st number
Let y = 2nd number
x+y=761
x-y=335
2x=1096
x=548
plug x into either equation
548+y=761
y=761-548
y=213
548-y=335
-y=-213
y=213
All 3 triangle angles sum to 180 degrees.
So third angle = 180 -40 -60
third angle = 80 degrees
Answer:
-8i + 51
Step-by-step explanation:
(3+5i)(2-9i)
6+10i-18i-45i²
**i² = -1.
6-8i + -45(-1)
= -8i + 51