2 years ago

How do you express one-half of the difference of a number cubed and one?

Mathematics

1 answer:

diamong [38]2 years ago

7 0

Answer:

$\frac{ {x}^{3} - 1}{2}$

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The table shows the number of tickets sold for the school dance and the amount of money earned.

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Allie builds a new bookcase with 8 shelves. She can put 30 books on each shelf. How many books can the bookcase hold?

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∠A=8x+6 ∘ start color #11accd, angle, A, end color #11accd, equals, start color #11accd, 8, x, plus, 6, degrees, end color #11ac

zvonat [6]

Answer:

$x = 8$

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Step-by-step explanation:

Given

$A = 8x + 6$

$B = 4x + 38$

Require

Determine x and <B

Missing in the question: A and B are vertical angles

For vertical angles A and B,

$A = B$

Substitute values for A and B

$8x + 6 = 4x + 38$

Collect Like Terms

$8x - 4x = 38 - 6$

$4x = 32$

Solve for x

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To solve for B, substitute 8 for x in $B = 4x + 38$

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Nancy is checking to determine if the expressions x + 4 + x and 6 + 2 x minus 2 are equivalent. When x = 3, she correctly finds

nataly862011 [7]

Answer:

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Step-by-step explanation:

x=5

6+2(5)-2=

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