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3 years ago

10

What are accepted without proof in a logical system?

1 answer:

aleksklad [387]3 years ago

7 0

<span>The question says,'what are accepted without proof in a logical system. The answers are axiom and postulates. On the basis of logic, axioms and postulates are statements that are considered to be self evident. They are believed to be true without any demonstration. They often serve as premises for making further arguements.</span>

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A room service waitress at a hotel receives an automatic gratuity of 15% of the food bill. If the food bill is $19.00, how much

Len [333]

Answer:

$2.85 is tipped to the waitress

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3 years ago

Evaluate x if:<br>(i) 36x = 782 - 42<br><br>

Ratling [72]

Answer:

36x=740

x=740/36

x=20.55

Hope it helps

5 0

3 years ago

ritu can row downstream 20km in 2 hrs and upstream 4km in 2 hrs. find the speed of rowing in still water and the speed of the cu

Marina CMI [18]

Answer:

Speed of boat in still water is 6km/h

Speed of current is 4km/h

Step-by-step explanation:

We know speed = distance / time

Let the speed of boat in still water be x

Let the speed of current be y

Hence the speed of boat, down stream = $x+y$

Distance downstream = 20km

Time taken = 2 hours

We have

$x+y=\frac{20}{2}$

$x+y=10$ ......(1)

Speed of boat upstream = $x-y$

Distance upstream = 4

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We have

$x-y=\frac{4}{2}$

$x-y=2$ ...(2)

Adding (1) & (2)

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Substituting in (1) we get

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7 0

3 years ago

Find the missing angel

kolezko [41]

Answer:

x=25°

Step-by-step explanation:

The given angle is a 90° angle. We know this because of the little square in the corner. This means that both angles must add up to 90°:

$x+y=90$

Insert the known values:

$x+65=90$

Solve for x. Subtract 65 from both sides:

$x+65-65=90-65\\\\x=25$

The missing angle, x°, is 25°.

:Done

8 0

3 years ago

Help please!!! Pre-calculus

Anvisha [2.4K]

Answer:

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Step-by-step explanation:

P ( 3, - pi/3)

We can circle 2pi n around the circle and be back at the same polar coordinate

P ( 3, - pi/3 + 2 pi n)

or we can flip the radius to a negative and add pi to the theta

P ( -3, - pi/3 + pi)

Then we can circle 2pi n around the circle and be back at the same polar coordinate

P ( -3 , -pi/3 + 2 pi n +pi)

P ( -3 , -pi/3 + pi(2 n +1))

6 0

3 years ago