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2 years ago

You have 6 Scrabble tiles with different letters of the alphabet in a bag. If you select 3 tiles,

1 answer:

4 0

The answer is C. 120

The solution can be derived by the formula 6P3.

6P3 = 6 * 5 * 4 = 120

120 different combinations can be made with the condition.

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What is the value of z

vampirchik [111]

Answer:61

Step-by-step explanation:

Z+Z-11=Z+50

2Z-11=Z+50

Collect like terms

2Z-Z=11+50

Z=61

4 0

3 years ago

Solve this sum plsss urgent

stiks02 [169]

1. 1 and -1 are two such rational numbers whose multiplicative inverse is same as they are.

2. absolute value is resembled using the formula : |x|

Here,

$\hookrightarrow \sf |\dfrac{-3}{11} |$

$\hookrightarrow \sf \dfrac{3}{11}$

final answer: 3/11

$\hookrightarrow \sf \dfrac{1}{2} \div \dfrac{3}{5}$

$\hookrightarrow \sf \dfrac{1}{2} * \dfrac{5}{3}$

$\hookrightarrow \sf \dfrac{5}{6}$

Associative property can only be used with addition and multiplication

4 0

1 year ago

Suppose that A = PDP-1 . Prove that det(A) = det(D)

daser333 [38]

Answer:

Check.

Step-by-step explanation:

To prove it we need to know that for two matrices A and B we have that:

det(AB) = det(A)*det(B) and $det(A^{-1}) = \frac{1}{det(A)}$ . Now:

$A = PDP^{-1}$

$det(A) = det(PDP^{-1})$

$det(A) = det(P)*det(D)*det(P^{-1})$

$det(A) = det(P)*det(D)*\frac{1}{det(P)}$

$det(A) = det(P)*\frac{1}{det(P)}*det(D)$

$det(A) = det(D)$ .

5 0

3 years ago

2.8 m 3 m What is the area of this triangle

vlada-n [284]

I think the answer is 7.6m

4 0

2 years ago

Which expression is equivalent to ×7*×8?

Simora [160]

Answer: If you mean 7 times 8 that is 56

Other expressions that are equal

- 56 times 1

- 1 times 56

- 2 times 28

- 4 times 14

6 0

2 years ago