7(3x/1)=-1
7(3x)=-1
21x=-1
21x/21=-1/21
X=-1/21
Answer: -1/21
Answer:
i have made it in above picture
Answer:
1. -5
2. 0.5
3. -4
4. 8
5. 9
6. -3
7. 5
8. 0.6
9. -7
10. 10
11. -5
12. 4
13. -9
14. 4
15. -6
Step-by-step explanation:
It's just the number that doesn't have a x to the side on it
Answer:
103.62 cm squared :)
Step-by-step explanation:
To solve this problem, lets start with the grey area only and essentially we want to treat it like it's own circle. So the formula for circular area is A=pi times r²
so for the radius of the grey region, we will simply add 3 and 4 cm.
3+4=7cm
Then we can plug that into the area equation, which is:
A = (3.14)(7²)
Solve for that and we should get 153.86 cm²
We'll hold onto that for now while we solve for the white circle next:
A = (3.14) (4²)
A = 50.24cm²
Lastly, let's bring back the grey area we found earlier, and subtract the white area from it:
153.86 - 50.24 = 103.62 cm²
hope this helps and good luck~