Answer:
see below
Step-by-step explanation:
9 x 8 = (10 x 8) - ( blank x 8) =80 - blank = blank
We are replacing 9 with 10 minus something
9 = 10 -1
9 x 8 = (10 x 8) - ( 1 x 8)
80 - 8
72
Answer: x² + y² = 25
Step-by-step explanation: As we have x²+y²=25 (A) as options,
x-y=1 (B)
x+y=25 (C)
x²+y²=5 (D)
We can rule out B and C as they are not circles. Circles must be
(x - xc)² + (y - yc)² = r². They must have index 2.
We have then A or D.
As the circle must pass through (3,4), we can substitute as x=3 and y=4
(A) 3² + 4² = 9 + 16 = 25 ok
(D) 3² + 4² = 9 + 16 = 25 ≠ 5
So, it is A, x² + y² = 25
Answer:
<em>mean absolute deviation would be 2.75</em>
Step-by-step explanation:
mean: 4 + 2 + 2 + 10 = 18/4 = 4.5
4.5 - 4 = 0.5
4.5 - 2 = 2.5
4.5 - 2 = 2.5
4.5 - 10 = 5.5
mean absolute deviation: 0.5 + 2.5 + 2.5 + 5.5 = 11/4 = 2.75
~hope this helps~
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Answer: The answer is C.
Step-by-step explanation: It is like a regular equation with the y=mx+b format but an inequality. To get b alone, subtract 95 from both sides. For the one side, you get 72-95 which is -23.
