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4 years ago

Simplify (3n - 2m)2 = ?

Mathematics

1 answer:

klemol [59]4 years ago

8 0

You'll get (3n-2m)(3n-2m)
your final answer distributing or the by using the foil method will be 4m^2-12mn+9n^2

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I need help on this please SHOW WORK

elena-s [515]

$\boxed{\large{\bold{\blue{ANSWER~:) }}}}$

See this attachment

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3 years ago

4/9 is the multiplicative inverse of which number a -4/9 b -9/4 c 4/9 d 9/4

frutty [35]

Answer: d 9/4

Step-by-step explanation: Multiplicative inverse is simply flipping the number (reciprocal). When multiplied the value is always 1. 4/9 * 9/4 =36/36 =1

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3 years ago

Tickets for a Texans game are on sale. Children, adult, and a senior admission

WARRIOR [948]

Answer:

Step-by-step explanation:

EQUATION - a statement that the values of two mathematical expressions are equal (indicated by the sign =)

Just write down how you would figure out the cost per game.

first game is 7 people times $8.50 =

and so on

This word problem is a great example of needing to pull out only information you need and ignoring the rest.

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4 years ago

Consider a sample on the waiting times (in minutes) at the billing counter in a grocery store to be 15, 24, 18, 15, 21, 20, 15,

Ipatiy [6.2K]

The mean, median, and mode is 18.5, 19, 15.

We have

15, 24, 18, 15, 21, 20, 15, 22, 19, 16, 15, 22, 20, 15, and 21.

In ascending order:

15, 15, 15, 15, 15, 16, 18, 19, 20, 20, 21, 21 ,22, 22, 23

n=15(number of observations)

The median is $\frac{n+1}{2} \\= > \frac{16}{2} =8th term$

Median: 19.

Mean:

$\frac{sum}{n}\\ \frac{278}{15} \\=18.5$

Mode: 15.

Learn more about Mean:

brainly.com/question/18060320

#SPJ4

8 0

2 years ago

Cube root 343 ^-3/ root 4 81

zlopas [31]

Answer:

$\frac{1}{1029}$

Step-by-step explanation:

$\frac{\sqrt[3]{343^{-3}}}{\sqrt[4]{81} }$

$\boxed{\text{Property: } a^{-b}=\frac{1}{a^{b}}}$

$\frac{\sqrt[3]{\frac{1}{343^{3}} }}{\sqrt[4]{81} }$

$\frac{\frac{\sqrt[3]{1} }{\sqrt[3]{343^3} } }{\sqrt[4]{81} }$

$\frac{\frac{1 }{343} }{3}$

$\frac{342 \cdot \frac{1 }{343} }{343 \cdot 3}$

$\frac{1}{1029}$

7 0

3 years ago