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1 year ago

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Miranda bought oranges which are sold in a bag of 5 for $2. The next day she bought 20 oranges which was $8. What is the table f

or this problem? (Create a table with the information above with at least 5 ordered pairs)

1 answer:

Andreas93 [3]1 year ago

4 0

Answer:

I think the answer is $170

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Consider the matrix shown below:

velikii [3]

Answer:

$A)\ \ \ \ \left[\begin{array}{ccc}8&-5\\-3&2\\\end{array}\right]$

Step-by-step explanation:

Given the matrix: $\left[\begin{array}{ccc}2&5\\3&8\\\end{array}\right]$ , it's inverse is calculated using the formula:

$\left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right]^{-1}=\frac{1}{det\left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right] }\left[\begin{array}{ccc}d&-b\\-c&a\\\end{array}\right]$

#Therefore, we calculate as;

$\frac{1}{det\left[\begin{array}{ccc}2&5\\3&8\\\end{array}\right] }\left[\begin{array}{ccc}8&-5\\-3&2\\\end{array}\right] \\\\\\\\\#det\left[\begin{array}{ccc}2&5\\3&8\\\end{array}\right] =1\\\\\\\\=\frac{1}{1}\left[\begin{array}{ccc}8&-5\\-3&2\\\end{array}\right] \\\\\\\\=\left[\begin{array}{ccc}8&-5\\-3&2\\\end{array}\right]$

Hence, the inverse of the matrix is $\left[\begin{array}{ccc}8&-5\\-3&2\\\end{array}\right]$

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2 years ago

Step by step explanation

SSSSS [86.1K]

Answer:

only a is the right triangle

Step-by-step explanation:

only a is the right triangle because it satisfies the pythagorean theorem.

a.)

$c ^{2} = a ^{2} + b ^{2} \\ 63 = 25 + 38\\ 63 = 63 \\ true$

while b,

b.)

$c ^{2} = a ^{2} + b ^{2} \\ 60 = 25 + 38 \\ 60 = 63 \\ false$

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2 years ago

5x^2-23x+12<br>this is the question im stuck on

AURORKA [14]

Rewrite it as 5x^2 -20x-3x+12
then (5x^2 -20x)(-3x+12)
then use gcf and u will get the answer in a binomial form

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2 years ago

What is 9 over 10 as an decimal

iragen [17]

Answer: 0.9

Step-by-step explanation:

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2 years ago

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Ronnie walked into the electronics store and fell in love with a stereo speaker. The speaker cost $500. Since Ronnie only had $

Viefleur [7K]

Answer:

This is an example of impulse purchase

Step-by-step explanation:

This is an impulse purchase since Ronnie didn't plan to by the stereo before entering the store. An impulse purchase comes from the word impulse I.e sudden urge leading to a prompt action. An impulse purchaser does not budget for whatever they buy rather are influenced by their emotions. If they're attracted to that item, they'll buy it instantly.

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3 years ago