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gayaneshka [121]
2 years ago
12

Please help me, If you do not know do not answer

Mathematics
1 answer:
Tpy6a [65]2 years ago
6 0

1 & 2 are functions

3 & 4 are not a functions

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Value of x in 2x-7=35 is​
Reika [66]

Answer:

x=21

Step-by-step explanation:

2x - 7 = 35

    +7    +7

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

2x = 42

-----   -----

 2      2

  x = 21

The answer is 21, hope this helps.

4 0
3 years ago
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If A is a 5 by 7 matrix, what is the maximum rank that A can have?
amm1812

Answer:

5

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
If TR=11 ft, find the length of PS
Klio2033 [76]

Answer:

PS = 31.5 ft

Step-by-step explanation:

∠PTS = 180 - 16 = 154°

164°(π/180) = 41π/45 radians

PS = rθ = 11(41π/45) = 31.48573...

5 0
2 years ago
Jackson stationary sells cards in packs of 11 and envelopes in packs of 13. if kina wants the same number of each,what is the mi
lara [203]
143 cards, you can find this using the LCM or least common multiple. <span />
3 0
3 years ago
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The length of one side of a square field is represented by the expression 3-7x.
Juliette [100K]

They give us the length of side of the square which is 3-7x.

To get an expression for the perimeter that is expressed as a product we have to multiply the expression 3-7x by four since every square has four sides. This will give us an expression of 4(3-7x). We than can use the distributive property to multiply everything inside the parenthesis by 4. This will give us an expression of 12-28x.

7 0
3 years ago
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