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jasenka [17]
3 years ago
6

If any two rows of matrix are equal the determinent of the matrix is

Mathematics
1 answer:
dimaraw [331]3 years ago
4 0

Answer:

Then the determinant is 0.

Step-by-step explanation:

Determinant  of ( 1  2 )      =   1*2 - 2*1   = 0

                          ( 1  2 )

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The formula for the area of a rhombus is A = a equals StartFraction one-half EndFraction d 1 d 2.d1d2, where d1 and d2 are the l
AlexFokin [52]

The two equivalent equations are d₁= 2a/d₂ and d₂= 2a/d₁ , Option 2 and 5 is the right answer.

<h3>What is a Rhombus ?</h3>

Rhombus is a quadrilateral with all the sides equal to each other.

It is given that d₁ and d₂ are the lengths of the diagonals.

and Area = a

a = (1/2) d₁ * d₂

  • 2a = d₁ * d₂

       d₁ * d₂ = 2a

       It can be written as

        d₁= 2a/d₂

a = (1/2) d₁ * d₂

  • d₁ * d₂ = 2a

        d₂= 2a/d₁

Therefore Option 2 and 5 are the correct answer.

The options of this question are:

1.  d₁=2Ad₂

2. d₁= 2A/d₂

3. d₂= d₁/2A

4. d₁= 2A/d₂

5. d₂= 2A/d₁

To know more about Rhombus

brainly.com/question/27870968

#SPJ1

3 0
2 years ago
Martiza remembers her pin because it is between 1000 and 1500 and it is a product of two consecutive prime numbers what is her p
Anna71 [15]

Answer:

Her pin must be 1147

Step-by-step explanation:

A little trick I have up my sleeve when I have these kind of questions is that I find the square root of each number, then find what is prime.

\sqrt{1000}  = 31.6

\sqrt{1500} = 38.7

Since the only prime numbers in the range of 31 and 38 is 31 and 37.

We can then multiply 31 by 37 to get 1147.

6 0
3 years ago
15 points please help me​
liubo4ka [24]

Answer: The answer is D. -1, 2, 5, 8

Step-by-step explanation: Arithmetic means Add or Subtract. You are adding 3 to get your next number. If that makes sense?

6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!!!!!!
love history [14]

Answer:

(a) Because it is an exterior angle

(b) The measure of angle 2 is 72°

Step-by-step explanation:

Angle 2 is an exterior angle because it is adjacent to the interior angle 1, and an exterior angle is equal to the sum of the measures of the two nonadjacent interior angles:

<2=30°+42°

<2=72°

8 0
3 years ago
Consider a group of kk people. Assume that each person's birthday is drawn uniformly at random from the 365 possibilities. (And
QveST [7]

Answer:

366

Step-by-step explanation:

Since there are 365 possible slots for people to have their birthday on, the worst case happens when all 365 people have different birthday. This means the 366th person would have their birthday falls on any of other’s birthday. Hence, kk must be at least 366.

6 0
3 years ago
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