3 years ago

Plz somebody I need this answers or else I have to take a quiz

Mathematics

1 answer:

lubasha [3.4K]3 years ago

7 0

Answer:

1) -3

2) 0

3) -8

4) 3

5) -42

6) -35

7) -5

8) 2

9) -18

10) 18

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The place value of 5 in 13.025 is:<br>a) 500<br>b) 5<br>c)5 by 100 <br>d)5by 1000

fiasKO [112]

Answer:

Step-by-step explanation:

D 5 BY 1000

FEEL FREE TO SAY IF I AM WRONG

BUT I HOPE THIS HELPED ANYWAY

6 0

3 years ago

Use a truth table to determine whether the following is a tautology, a contradiction, or neither. ~PAP Q~QvQ

NNADVOKAT [17]

Answer:

The statement $\lnot P \land P \rightarrow Q \rightarrow\lnot Q\lor Q$ is a tautology.

Step-by-step explanation:

We have the following statement $\lnot P \land P \rightarrow Q \rightarrow\lnot Q\lor Q$

A truth table shows how the truth or falsity of a compound statement depends on the truth or falsity of the simple statements from which it's constructed.

The simple statements from the statement given are:

$\lnot P$ , $\lnot Q$ , $\lnot P \land P$ , $\lnot P \land P \rightarrow Q$ , and $\lnot Q \lor Q$ with these you can construct the following truth table.