Answer:
17.3825
Step-by-step explanation:
First I figured out the area of the square which is 18×18=324
Then I found out the are of the circle which is 254.47, so 324 - 254.47 = 69.53
Then there are 4 times the shaded are so divided by 4, so 69.53 ÷ 4 = 17.3825
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Buy 5 for $12 and buy 4 for $15
You should’ve put a picture to make it easier for us
Answer: 21 & 18
Step-by-step explanation:
Sum of two numbers is 39
Difference is 3
Let the numbers be x & y
X+y=39........equation 1
X-y=3...........equation 2
X=3+y............equation 3
Substitute equation 3 into equation 1
(3+y)+y=39
3+y+y=39
3+2y=39
2y=39-3
2y=36
Y=36/2
Y=18
Substitute for y in equation 2
X-y=3
X-18=3
X=3+18
X=21
The two numbers are 21 & 18
12 not sure if it's true or not.