6, the formula is (b1+b2/2)*h
8+12/2=10
10*h=60 so h=6
Answer:
1a 3800, 1b 6300 1c 5100
2a 2630, 2b 2600, 2c 3000
3a 4000, 3b 3000, 3c 8000
Answer:
the answer is 157
Step-by-step explanation:
i had a test with the same question, i promise its right :)
First add 10 on both sides. So it will be v = 1.
What is it about, I’ll give it a try
