Do you think than i ve understood it right
3x+9=30
3x=21
x = 21/3 = 7
x = 7
hope helped
The answer to this problem is -0.66666
Answer:
Answer:
1632 cm³
Step-by-step explanation:
½(12×8)×34
= 1632
Step-by-step explanation:
Answer:
2√30
Step-by-step explanation:
Pythagorean Theorem: a^2 + b^2 = c^2
7^2 + b^2 = 13^2
b^2 = 120
b = 2√30