The length, width and height of a rectangular box are represented by 2x, 4x+1 and 5x-6 respectively. When the volume is expresse
1 answer:
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Answer:
4.2 units
most likely answer choice B
Step-by-step explanation:
(1, 2) and (4, 5)
To find the distance between two points, we use the distance formula:
Let's plug in what we know.
Evaluate the parentheses.
Evaluate the exponents.
Add.
Evaluate the radical.
d = 4.24
Round to the nearest tenth.
d = 4.2 units
*note: The answer choice is 4.6. I'm not sure if that is a typo on someone's end, but the distance between these two points is exactly 4.24264068712 units.
Hope this helps!
Answer:
4
Step-by-step explanation:
Given
x + ← substitute x = 2 +
= 2 + +
Rationalise the denominator of the fraction by multiplying the numerator/ denominator by the conjugate of the denominator.
The conjugate of 2 + is 2 -
, thus
= 2 + +
= 2 + +
= 2 + + 2 -
= 4