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▹ Answer
<em>-3</em>
▹ Step-by-Step Explanation
1.25 + (-1.75) = -0.5
Opposite of 2.5 = -2.5
-2.5 + (-0.5) = -3
Hope this helps!
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1/5
1/10 / 1/2= 2/10
Then simplify it by 2, it becomes D.1/5
Each cube has an edge length of 1/2 inch
V = 1/2 * 1/2 * 1/2
V = 1/8 cu in
There are 1120 of these cubes so the volume of the prism is 1/8 * 1120 = 140 cubic inches.
Answer:
see explanation
Step-by-step explanation:
This is a difference of squares and factors in general as
a² - b² = (a - b)(a + b)
16
= ( 4
)² ⇒ a = 4
1 = 1² ⇒ b = 1
Hence
16 - 1
= (4 )² - 1²
= (4 - 1)(4 + 1)
4 - 1 ← is also a difference of squares and factors as
(2x² - 1)(2x² + 1)
Thus
16 - 1
= (2x² - 1)(2x² + 1)(4 + 1 )
