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algol [13]
3 years ago
5

Write an expression to represent the following: the product of 7 and a number decreased by 11.

Mathematics
1 answer:
lesantik [10]3 years ago
4 0

7 * x-11

7* 15-11

7* 4

28

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Which best describes the meaning of the statement if A then B
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Answer:

a => b   \equiv   ( \neg a   \ \lor   \ b )

Step-by-step explanation:

You can understand the statement from many perspectives, but in terms of proposition logic it is best to understand it as   "negation of a" or "  b" in mathematical terms is written like this

a => b   \equiv   ( \neg a   \ \lor   \ b )

You can show that they are logically equivalent because they have the same truth table.

 

3 0
3 years ago
Pls help???????? need to have an explanation also
Ratling [72]

Answer:

I would say the answer is 40 cookies

Step-by-step explanation:

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7 0
3 years ago
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Nikitich [7]

Answer: Your answer is A,C, and D

Step-by-step explanation:

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8 0
2 years ago
Complete the following proof. Prove: In an isosceles triangle, two medians are equal.
Paraphin [41]

Answer:

Midpoint of AB              = (0 + 2a / 2 , 0 + 0 / 2) = (2a / 2 , 0 / 2) = (a,0)

x coordinate of point c = a

                                  N = (0 + a / 2 , 0 + b / 2) = (a / 2 , b / 2)

                                  M = ( 2a + a / 2 , 0 + b / 2) = (3a / 2 , b / 2)

                                MA = √(3a / 2 - 0)² + b / 2 - 0)²

                                       = √(3a / 2 )² + (b / 2) = 9a² / 4 + b² / 4

                                NB = √(a / 2 - 2a)² + (b / 2 - 0 )²

                                      = √( a / 2 - 4a / 2)² + (b / 2 - 0)²

                                      = √(-3a / 2)² + (b / 2)² = √9a² / 4 + b² / 4

Step-by-step explanation:

I tried my best hope its correct :0

8 0
3 years ago
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