775 + 4.25 times the number 12
Answer:
There are closed addition.
Step-by-step explanation:
Closure (mathematics) ... For example, the positive integers are closed under addition, but not under subtraction: is not a positive integer even though both 1 and 2 are positive integers. Another example is the set containing only zero, which is closed under addition, subtraction and multiplication.
So, 0,2,5 are closed addition
Please mark me brainliest.
Answer:
a) 
Step-by-step explanation:
5x - 4 = −2x + 3
-5x - 5x
____________
−4 = −7x + 3
- 3 - 3
_________
−7 = −7x
__ ___
−7 −7
1 = x [Plug this back into both equations above to get the y-coordinate of 1]; 1 = y
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3√10 + 7√15 - 6√10 - 4√15
3√10 - 6√10 + 7√15 - 4√15
-3√10 + 3√15
The answer is B.
Circumference is found by evaluating C = 2 pi r, where r is the radius of the circle. Here, C = 2 pi (2.4 cm) = 4.8 pi.