Which of the following descriptions represent the transformation shown in the image? part 1
1 answer:
Answer: b) 180° rotation & reflection over x-axis
<u>Step-by-step explanation:</u>
Rotation of 180° changes the signs of both x and y.
(x, y) → (-x, -y)
Reflection over the x-axis changes the sign of y.
(-x, -y) → (-x, y)
<u> (x, y) </u> <u> (-x, y) </u>
(0, 1) → (0, 1)
(1, -1) → (-1, -1)
(5, 3) → (-5, 3)
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(A)6x+4x-6=24+9x
10x-6=24+9x
10x-9x=24+6
x=30. (only 1 solution)
(B)25-4x = 15-3x+10-x
25-4x = 5-4x
25-5 = 4x-4x
30 = 0 (No solution)
(C)4x+8 = 2x+7+2x-20
4x+8 = 4x -13
4x-4x = -13-8
0 = -21 (No solution)
It would be multiplication and subtraction
4(x-3)
four times
( the difference of a number “x” and three)
difference means subtraction every time.
Answer:
Step-by-step explanation:
16 ounces = 1 pound as you all know
2x16 + 3 = 35
56 - 35 = 21 ounces or 1lb 5oz
9.5
If you add 12.4 plus 12.4 you get 24.8 then you do 43.8 minus 24.8 and you get 19 and 19 divided by 2 is 9.5
9.5+9.5+12.4+12.4=43.8
