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podryga [215]
2 years ago
6

Given: If X, then Y. If Y, then Z. Y is true. So:

Mathematics
1 answer:
8_murik_8 [283]2 years ago
7 0

Answer:

The answer is "X is unknown, Z is true".

Step-by-step explanation:

In the given question option is missing so, the correct answer to this question can be defined as follows:

  • In this question if X is given, then y means depends upon X.
  • If y is given, then z depends on y, that's why in this question  Y and Z are true. but X is unknown.  
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Sum of two digit number is9.When we interchange the digits it is found that the resulting new number becomes twice the other num
ruslelena [56]

Answer:

4 and 5

Step-by-step explanation:

Let the numbers be x and y

If their sum is 9, hence;

x + y = 9 ....1

When reversed

10y+x = 2(10x+y)

10y+x = 20x + 2y

10y - 2y = 20x - x

8y = 19x

y = 10x/8 ...2

Substitute equation 2 into 1;

From 1;

x+y = 9

x +(10x/8) = 9

18x/8 = 9

18x = 72

x = 72/18

x = 4

Since x+y =9

y = 9-x

y =9-4

y = 5

Hence the numbers are 4 and 5

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3 years ago
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What is the number that has the same absolute value as 81
LenaWriter [7]
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Lenore is going to sell T-shirts at a field hockeygame to raise money for the team. She findsa website that makes custom T-shirt
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2 years ago
Part 2
cluponka [151]

Answer:

\displaystyle f(t) = -16t^2 + 192t; Maximum

Step-by-step explanation:

Maximum Value → Parabola opens downward [<em>−A</em>]

Minimum Value → Parabola opens upward [<em>A</em>]

<em>See graph above</em>

I am joyous to assist you anytime.

6 0
3 years ago
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