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2 years ago

33. Construct a truth table to show that the following argument is valid.

Mathematics

1 answer:

GuDViN [60]2 years ago

5 0

Answer:

see attached

Step-by-step explanation:

Perhaps you want to show that P∨Q will be equal to Q when ¬P is true. Attached is a truth table that shows this is the case.

This is simply a restatement of the logic of the OR function. When one its inputs is a logical 0 (false), the output depends on the other input(s).

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andreyandreev [35.5K]

Answer:

3.5% of 20, (0.035)*20, and 7% of 10

Step-by-step explanation:

Converting the mixed number (3 1/2) to a decimal yields 3.5, so 3.5% of 20 is correct.

3 1/2 is not equal to 3 1/2%, so 3 1/2 * 20 is not correct.

Converting the percentage to a decimal yields .035 which makes .35 too large, so (0.35) * 20 is not correct.

Changing the percentage to a decimal yields .035, so (0.035) * 20 is correct.

If you divide 20 by 2, you get 10, and if you multiply 2 by 3 1/2, you get 7. The 2 remains part of the expression, so it is equal to 3 1/2 of 20.

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3 years ago

Joe has eaten 4/5 0f a pizz. jane has eaten 1/6 of a pizza how many times more pizza has joe eaten than jane

Svetradugi [14.3K]

Joe will have eaten 24/30
Jane will have eaten 5/30
24 / 5 = 4.8
Joe has eaten 4.8 times as much pizza as Jane.

7 0

3 years ago

Samara buys a video game for $56.00 she also buys a book. The price of video game is 8 times as much as the price of the book. W

igor_vitrenko [27]

The answer is $7.00 because 56.00/8=7.00.
Hope that helps.

4 0

3 years ago

Read 2 more answers

Komodo dragons are the heaviest lizards on earth. A baby Komodo dragon is 1 3/4 feet long when it hatches. It’s mother is 8 3/4

sukhopar [10]

Answer:

An adult male Komodo dragon is $10\frac12$ feet.

Therefore the male is $1\frac34$ feet longer than the mother.

Step-by-step explanation:

Given that,

A baby dragon is $1\frac34$ feet long.

It's mother is $8\frac34$ feet.

An adult male Komodo dragon is 6 times as long as the baby Komodo dragon.

So, an adult male Komodo dragon is =(6× $1\frac34$ ) feet

$=6\times \frac74$ feet

$=\frac61\times \frac74$ feet

= $\frac {21}2$ feet.

$=10\frac12$ feet.

$\therefore 10\frac 12- 8\frac34$

$=\frac{21}{2}-\frac{35}4$

$=\frac{21\times 2-35\times 1}{4}$

$=\frac{42-35}{4}$

$=\frac74$

$=1\frac34$

Therefore the male is $1\frac34$ feet longer than the mother.

4 0

3 years ago

A line with a slope of -1 passes through the point (0,0). What is its equation in slope-intercept form? Please answer quickly.

rusak2 [61]

Answer:

y = -x

Step-by-step explanation:

The line has a slope of -1 and it passes through point (0,0)

Taking another point (x,y) on the line;

Slope = change in y ÷ change in x

For our case; slope = $\frac{y - 0}{x - 0} = -1$

Cross multiplying this gives;

y = -x

4 0

3 years ago