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GaryK [48]
3 years ago
6

PLEASE PLEASE PLEASE HELP GEOMETRY QUIZ IS TIMED

Mathematics
1 answer:
just olya [345]3 years ago
6 0

Answer:

By using rules of triangle angles i found that x= 26°

Step-by-step explanation:

i used the rule that the interior angles of any triangle equal 180°

If we take the triangle which contains x, 28, 36, and 90 (the square in the corner idicates its a 90° angle) we can use the rule that the interior angles of any triangle equal 180. 36 + 90 gives 126 and x and 28 make up the same angle. 180-126 gives 54 meaning x and 28° add up to 54

54-28=26

x=26°

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If A is a 5 by 7 matrix, what is the maximum rank that A can have?
amm1812

Answer:

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Step-by-step explanation:

Remember, the rank of a matrix is the number of pivots or number of rows different of zero in the echelon form of the matrix.

Then, if A is a matrix 5\times 7 the maximum number of pivots that can have is one by row, that is, 5.

Then the maximum rank that A can have is 5.

3 0
3 years ago
The product of two numbers is 713. The first number is 9 more than the second number. Which equation can be used to find x, the
Art [367]
Let x = first number and y = second number.
The first statement is expressed as
x*y = 713
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7 0
3 years ago
Read 2 more answers
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Sliva [168]

Answer:

I think the answer is 664....but I'm nt sure. Plz don't blame me if I'm wrong lol

Step-by-step explanation:

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3 0
3 years ago
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dangina [55]

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Step-by-step explanation:

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