Answer:
(6, -4)? is this on khan academy or smth
Step-by-step explanation:
Step-by-step explanation:
25. (+10)-(-6) = 10+6 = 16
26. (-14)-(+7) = -14-7 = -21
27. (-3)-(-9) = -3+9 = 6
28. 0-(-9) = 0+9 = 9
29. (-3)-(+6) = -3-6 = -9
30. (+8)-(-9) = 8+9 = 17
31. (+13)-(+7) = 13-7 = 6
32. (-6)-(-12) = -6+12 = 6
Answer:
it's answer is 20
Step-by-step explanation:
hope it helps you
It is asking for the length of that leg of the triangle. You would use the Pythagorean theorem. So 11^2+12^2=c^2. The answer is he square root of 265.
Answer:
3
Step-by-step explanation:
If 6 numbers have a mean value of 10, it means that the sum of the numbers divided 6 is equal to 10. This can be expressed as:
x÷6=10
x=60
The new number added will be the 7th number and now the mean is 9. You have to ask what number divided by 7 is equal to 9? This can be expressed as:
y÷7=9
y=63
63-60=3
So the new number added is 3