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dimaraw [331]
2 years ago
11

Identify the augmented matrix that represents this liner system 2x-3y=4 5x+7y=39

Mathematics
1 answer:
Lisa [10]2 years ago
7 0

Answer:

its c edg 2020

Step-by-step explanation:

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How many ways can a person select 3 coins from a box consisting of a penny, a nickel, a dime, a quarter, a half dollar, and a on
tekilochka [14]

Answer:

A person can select 3 coins from a box containing 6 different coins in 120 different ways.

Step-by-step explanation:

Total choices = n = 6

no. of selections to be made = r = 3

The order of selection of coins matter so we will use permutation here.

Using the formula of Permutation:

                  nPr = \frac{n!}{(n-r)!}

We can find all possible ways arranging 'r' number of objects from a given 'n' number of choices.

Order of coin is important means that if we select 3 coins in these two orders:

--> nickel - dime - quarter

--> dime - quarter - nickel

They will count as two different cases.

Calculating the no. of ways 3 coins can be selected from 6 coins.

nPr = \frac{n!}{(n-r)!} = \frac{6!}{(6-3)!}

nPr = 120

6 0
2 years ago
What is the final elevation of:
Lilit [14]

Answer:

the fish has a final elevation of negative 2

Step-by-step explanation:

4 0
3 years ago
Hello, what is 9/3 - 2? thank you
Akimi4 [234]

Answer:

1

Because 9/3= 3

And 3-2=1

Hence the answer is 1

Step-by-step explanation:

5 0
3 years ago
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Need help on the mean and the median 1-10 pleaaaase for brainlest answer and thanks !!!!!!!!!!
kati45 [8]
For number one the media is 22 and 5

8 0
3 years ago
A.
zhenek [66]

Answer:

640 cm³

Step-by-step explanation:

Each prism has a volume of (4 cm) (4 cm) (20 cm) = 320 cm³.

There are two prisms, so the total volume is 640 cm³.

4 0
3 years ago
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