Answer:
3*(5*x-7)-(15*x-21)=0
Step-by-step explanation:
3 • (5x - 7) - (15x - 21) = 0
Step 2 :
Equation at the end of step 2 :
0 = 0
Step 3 :
Equations which are always true :
Answer:
B. 5 cm
Step-by-step explanation:
If the width was 5 cm, the length would be 10 cm. (5 + 10) x 2 = 30 cm.
Answer:
a. 0.444444
b. 0.87
Step-by-step explanation:
a. (-2).(-4.5)
= -2 / -4.5
= 0.44444
u will do the same to the second question
Answer:
When circumference = 6.3 then radius =
circumference / (2 * PI) = 6.3 / (6.283) =
radius = 1.0027
Cone Volume = PI * radius ^2 * height / 3
Cone Volume = PI * 1.0027^2 * 17 / 3
= 17.898 cubic meters which rounds to
17.9 cubic meters
Source: https://www.1728.org/volcone.htm
Step-by-step explanation: