The diameter of the circle is 21. The formula for circumference is pie*radius*2. We don't have the radius but the diameter is just double the radius so just don't multiply by 2. 21 x 22 = 462. 46s divided by 7 is 66. Enjoy your answer :D

3 0

2 years ago

Select the correct answer.<br>What is the solution of 3x + y = 9 and 3x - 5y = 15

KATRIN_1 [288]

The answer is x= 3.3 and the y=-., hope this helps out !

7 0

3 years ago

If xy + 12 = 6x + 7, find y if x =5.

Igoryamba

Answer: look at the picture

Step-by-step explanation: Hope this help :D

4 0

3 years ago

Read 2 more answers

Stronomers estimate the internal temperature of the sun is 15,000,000  K. What is 15,000,000 written in scientific notation? 1.

svetoff [14.1K]

Answer:

Scientific notation for 15,000,000

$= 1.5 \times {10}^{7}$

6 0

3 years ago