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2 years ago

14

It's make-your-own-dish night at your favorite pasta restaurant. The restaurant offers 5 types of pasta and 4 different sauces.

You get to choose one of each.

1 answer:

igor_vitrenko [27]2 years ago

8 0

Answer:

there are 20 different combinations if that was the question.

Step-by-step explanation:

Formula :

Combination(event 1) times Combinations (Event2)

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A square matrix A is said to be idempotent iff A2 = A. (i) Show that if A is idempotent, then so is I − A. (ii) Show that if A i

muminat

Answer:

Step-by-step explanation:

Given that A is a square matrix and A is idempotent

$A^2 = A$

Consider I-A

i) $(I-A)^2 = (I-A).(I-A)\\= I^2 -2A.I+A^2\\= I-2A+A\\=I-A$

It follows that I-A is also idempotent

ii) Consider the matrix 2A-I

$(2A-I).(2A-I)=\\4A^2-4AI+I^2\\= 4A-4A+I\\=I$

So it follows that 2A-I matrix is its own inverse.

7 0

3 years ago

2350 million in standard form

topjm [15]

Answer:

in this problem we have

2,350 million

Remember that

1 million=1,000,000

so

2,350 million=2,350*1,000,000=2,350,000,000

convert to standard form

2,350,000,000=2.35*10^{9}

therefore

the answer is

2.35*10^{9}

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Tom had 260 dollars to spend on 8 books. After buying them he had 12 dollars. How many much did each book cost?

fgiga [73]

You will subtract 12 from 260 and get 248 then you will divide 248 by 8 and get 31 dollars spent per book.

7 0

3 years ago

Guys can u please help me out

sladkih [1.3K]

Answer:

$-0.36a^5x^6b^6$

Step-by-step explanation:

Ok first multiply the first two monomials:

$-0.6a^3x^6b^3$

Then multiply THAT with the OTHER monomial:

$-0.36a^5x^6b^6$

This should be the answer. Let me know if it's wrong.

6 0

3 years ago

Pleaseeeeeeeeeeeeeeeeeeeeeeeeeeee

Pachacha [2.7K]

Answer: A, scale factor is 3

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers