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guajiro [1.7K]
3 years ago
11

(1 point) Which of the following subsets of {\mathbb R}^{3\times 3} are subspaces of {\mathbb R}^{3\times 3}? A. The diagonal 3\

times 3 matrices B. The 3\times 3 matrices with all zeros in the third row C. The non-invertible 3\times 3 matrices D. The symmetric 3\times 3 matrices E. The 3\times 3 matrices whose entries are all greater than or equal to 0 F. The 3\times 3 matrices in reduced row-echelon form
Mathematics
1 answer:
Umnica [9.8K]3 years ago
4 0

Answer:

34-89

Step-by-step explanation:

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Solve the folowing equation for "n"<br> 6n - 4= 3n + 8
ipn [44]

Answer:

4/3

Step-by-step explanation:

6n - 4 = 3n + 8

6n - 3n = 8 + 4

3n = 4

n = 4/3

Goodluck with your schoolwork/homework.

---------------------------------------------------------------

apologies in advance for any errors or bad explanations.

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3 years ago
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If the area of a circle is 58 square feet, find the circumference
Blizzard [7]

Answer:

C≈27 feet

Step-by-step explanation:

A=πr²

A/π=r²

√A/π =r or –√A/π=r (refused)

then r =√(A/π) =√(58/π) =4.297829403 feet

C=2πr=2π(4.297829403)=27.00405856≈27 feet

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3 years ago
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Points S, L, and P on this grid represent the locations of the school, the library, and the park
Vlad [161]

The distance, in units, from the school to the library and then the distance from the library to the park is 15 units.

<h3>What is the length of any line on the graph?</h3>

The distance or length of any line on the graph,

D = √{(x₂ - x₁)² + (y₂ - y₁)²}

where,

d = distance/length of the line between point 1 and 2,

(x₁ , y₁) = coordinate of point 1,

(x₂ , y₂) = coordinate of point 2,

The distance from school to the library is SL, therefore,

\rm SL = \sqrt{(4-0)^2 + (1-4)^2} = 5\ units

The distance from library to the park is LP, therefore,

\rm LP = \sqrt{(-4-4)^2 + (-5-1)^2} = 10\ units

Now, the distance, in units, from the school to the library and then the distance from the library to the park is 15 units (10 units + 5 units).

Learn more about the Length of the line:

brainly.com/question/16904935

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4 0
2 years ago
Which graph decreases, crosses the y-axis at (0,-7), and then remains constant?
sergey [27]

Answer:

A.Graph B

Step-by-step explanation:

it decreases to a y of (0,-7) and then stays constant at -7

Hope this was helpful

7 0
3 years ago
What is the gradient of the blue line.
denpristay [2]

Answer:

Step-by-step explanation:

the Gradient is (5,2)

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