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beks73 [17]
3 years ago
12

Determine whether the subset of Mn,n is a subspace of Mn,n with the standard operations of matrix addition and scalar multiplica

tion. The set of all n x n invertible matrices a. subspace b. not a subspace

Mathematics
1 answer:
sveta [45]3 years ago
8 0

Answer:

solution is attached in the picture below

Step-by-step explanation:

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A college student realized that he was spending too much money on music. For the remaining 5 months of the year his goal is to s
PSYCHO15rus [73]
$15 because a mean would allow him to spend $250 over the five months BUT he has already spent $235.

$250 - $235 = $15
4 0
3 years ago
Given:quadrillateral ABCD inscribed in a circle
son4ous [18]

Answer:

Step-by-step explanation:

Given: quadrilateral ABCD inscribed in a circle

To Prove:

1. ∠A and ∠C are supplementary.

2. ∠B and ∠D are supplementary.

Construction : Join AC and BD.

Proof: As, angle in same segment of circle are equal.Considering AB, BC, CD and DA as Segments, which are inside the circle,

∠1=∠2-----(1)

∠3=∠4-----(2)

∠5=∠6-------(3)

∠7=∠8------(4)

Also, sum of angles of quadrilateral is 360°.

⇒∠A+∠B+∠C+∠D=360°

→→∠1+∠2+∠3+∠4+∠5+∠6+∠7+∠8=360°→→→using 1,2,3,and 4

→→→2∠1+2∠4+2∠6+2∠8=360°

→→→→2( ∠1 +∠6) +2(∠4+∠8)=360°⇒Dividing both sides by 2,

→→→∠B + ∠D=180°as, ∠1 +∠6=∠B , ∠4+∠8=∠B------(A)

As, ∠A+∠B+∠C+∠D=360°

∠A+∠C+180°=360°

∠A+∠C=360°-180°------Using A

∠A+∠C=180°

Hence proved.

credit: someone else

5 0
3 years ago
Simplify the expression completely.
ivolga24 [154]
You can’t simplify it any further. 288 1/4 is already simplified.
6 0
3 years ago
Read 2 more answers
If Joseph buys a T.V. At 35% off and it’s original costs $599.99 how much did he pay for the tv?
Monica [59]

Answer: He paid \$389.9935 for the T.V.

Step-by-step explanation:

We need to analize the information provided:

- The original cost of the T.V. was $599.99

- Joseph buys it at 35% off the original cost.

Let be "x" the amount Joseph paid for the T.V.

We can calculate "x" with the following expression:

x=\$599.99-(\$599.99)(0.35)\\\\x=\$389.9935

Therefore, he paid \$389.9935 for the T.V.

7 0
3 years ago
What is the lowest number that can be generated using the digits 2, 8, 5, 3, 3, and 6, in any order?
wariber [46]

Answer:

233568

Step-by-step explanation:

233568

use the smallest digit on the left and write in increasing  order

and the greatest digit on the right as shown.

3 0
3 years ago
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