Answer:
21+4
Step-by-step explanation:
3 times 7=21
3 times4=12
21d+4e
Answer:
Tthe solution is in the attached file
Step-by-step explanation:
The step by step calculation is as shown in the attachment
Answer:
x = 3.5
Step-by-step explanation:
Triangle to the right:
4^2 + x^2 = 8^2
16 + x^2 = 64
y^2 = 48
Triangle to the left:
x^2 + 6^2 = 48
x^2 + 36 = 48
x^2 = 12
x = sqrt(12)
x = 3.5
9000mm is equivalent to 900cm