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Aleksandr-060686 [28]
1 year ago
7

The dimension of the row space of a 3 x 5 matrix A is 2 d. What is the dimension of the solution space of the homogeneous system

Ax = 0?
Mathematics
1 answer:
pshichka [43]1 year ago
5 0

Answer:

Dimension of the solution space of the homogeneous system =dimension of kernel=3.

Step-by-step explanation:

Given  a matrix has 3 rows and 5 columns .

Dimension of Domain=Number of columns in the matrix=5d

Dimension of the row space =2d

We know that dimension of row space= rank of matrix=2d

Rank-nullity theorem : Rank+nullity= dimension of domain=Number of columns in the matrix.

By using rank-nullity theorem

2+nullity=5

Nullity=5-2

Nullity=3

Dimension of kernel=3d

Dimension of kernel=Dimension of  solution space

Dimension of solution space=3d

Hence, the dimension of solution space of the homogeneous system =3d.

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Answer:

$257.95

Step-by-step explanation:

8 0
1 year ago
The rectangle below has an area of 70y^8+30y^670y 8 +30y 6 70, y, start superscript, 8, end superscript, plus, 30, y, start supe
MaRussiya [10]

Answer:

The width of the rectangle with area 70y⁸+ 30y⁶is 10y⁶.

The length of the rectangle with area 70y⁸+ 30y⁶ is (7y²+3).

Step-by-step explanation:

Monomial: Monomial is an algebraic expression which is consisting  of only one term.

Binomial: Binomial is an algebraic expression which is consisting  of two terms.

Trinomial: Trinomial is an algebraic expression which is consisting of three terms.

The area of a rectangle is= Length× width

Given that,

The area of the rectangle is

=70y⁸+30y⁶

70y⁸=7×5×2×y×y×y×y×y×y×y×y

30y⁶=5×3×2×y×y×y×y×y×y

The common factors of 70y⁸ and 30y⁶ are = 5,2,y,y,y,y,y,y

The greatest common factor of 70y⁸ and 30y⁶ is

=5×2×y×y×y×y×y×y

=10y⁶

∴70y⁸+ 30y⁶

= 10y⁶(7y²+3)

The greatest common monomial of 70y⁸+ 30y⁶ is 10y⁶.

Given that,

The greatest common monomial factor of 70y⁸+ 30y⁶ is equal to the width of the rectangle.

The width of the rectangle with area 70y⁸+ 30y⁶is 10y⁶.

Then the length of the rectangle with area 70y⁸+ 30y⁶ is (7y²+3).

[ area = length × width]

7 0
1 year ago
The sixth grade art students are making a mosaic using tiles in the shape of right triangles. Each tile has leg measures of 3 ce
d1i1m1o1n [39]
Area of a Triangle = 0.5 x Base x Height 
 
Therefore the area of one mosaic triangle = 0.5 x 3 x 5 = 7.5

So the area of the whole mosaic is : 7.5 x 200 = 1500cm^2 
8 0
2 years ago
40% of OatyPop cereal boxes contain a prize. Hannah plans to keep buying cereal until she gets a prize. What is the probability
Lilit [14]

Answer:

the probability is 78.4%

Step-by-step explanation:

there are 3 scenarios

1) gets the price in the 1st box:

the probability is:

P = probability to obtain a price = 4/10= 40%

2) gets the price in the 2nd box

P= probability to fail in the fist box * probability to obtain a price

P= (6/10)*(4/10)=24/100 = 24%

3) gets the price in the 3rd box

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therefore the probability to obtain a price in 3 or less boxes is:

P = 40%+24%+14.4%= 78.4%

7 0
2 years ago
Read 2 more answers
You want to order a pizza that costs $12.99 with no toppings. Each topping you choose costs $0.75. Which of these equations best
Zielflug [23.3K]
Pizza flat price is 12.99
each topping is 0.75

cost=pizza+toppings
toppings=number of topings (n) times cost per toping (0.75)
toppings=0.75n
so

cost=12.99+0.75n or
cost=0.75n+12.99
7 0
1 year ago
Read 2 more answers
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