1 year ago

Distribute to write an equivalent expression. 2n * (n ^ 2 + 3n + 4)

Mathematics

1 answer:

OverLord2011 [107]1 year ago

6 0

Answer:

C. 2n^3 + 6n^2 + 8n

Explanation:

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4.72n - 0.1 = 8 + 0.67n

levacccp [35]

4.72n - 0.1 = 8 + 0.67n

4.72n - 0.67n = 8 + 0.1

4.05n = 8.1

4.05n/4.05 = 8.1/4.05

n = 2

5 0

2 years ago

The width of a rectangle is 2 cm less than 8 times the length. The perimeter is 68 cm. What are the width and length of the rect

eduard

Answer:

length=4

width=30

Step-by-step explanation:

length=x

width=8x-2

(8x-2)*2+2x=68

16x-4+2x=68

18x=72

x=4 (Length)

4*8=32, 32-2=30(width)

8 0

2 years ago

Read 2 more answers

5th grade math. correct answer will be marked brainliest

eduard

Answer: How are we going to point it?

Step-by-step explanation:

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2 years ago

Which inequality will have a solid boundary line and a shaded region above its graph? x − y ≥ 3 2x − 3y ≤ 3 3y − x < 2 2x + y

LenKa [72]

<span>x − y ≥ 3 ... > stands for above on a graph, and the line under it _ stands for shaded.</span>

7 0

2 years ago

Please help me I’m desperate

Dafna1 [17]

Answer:

<h2> The first</h2>

Step-by-step explanation:

$\frac29x+3>4\frac59\\{}\quad-3\quad-3\\\\\frac29x\ >\ 1\frac59\\\div\frac29\quad \, \div\frac29\\\\x>1\frac59\div\frac29\\\\x>\frac{14}9\times\frac92\\\\x>\frac{7}1\times\frac11\\\\x>7$

That means every x wich is greater than 7

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2 years ago