Answer:
3
Step-by-step explanation:
see image
Simplify the expression. (d² - d+5) - (-d² + d + 5)
1 answer:
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Answer:
Distance between mall and library is 6.32 miles.
Step-by-step explanation:
Coordinates of the door to the library is at (2, 4) and door to the mall is at (8, 4).
Since, distance between two points and
is given by,
Distance =
By this formula,
Distance between (2, 4) and (8, 4) will be,
Distance =
=
=
= 6.32 miles
Answer:
step 1: move the -4 to the right: x^2 -2x = 4
step 2: add 1 to each side: x^2 -2x + 1 = 4 + 1
step 3: factor the left side and simplify the right side: (x-1)^2 = 5
step 4: take the square root of each side: x - 1 = sqr root of 5
step 5: move the 1 to the other side: and