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3 years ago

Solve each inequality and graph the solution set

Mathematics

1 answer:

mixas84 [53]3 years ago

4 0

Answer:

A. line at -1 and 1 and -2<_ x<_1

B. c>-1 and line from -1 all the way to 5 and c<4 and line from 4 all the way to-5

C. y<3 and line from 3 to 5 and 7_>-4 and line from-4 to 5

Step-by-step explanation:

The greater than and less than sign is supposed to be over the Lines

Those are greater than and less than signs

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Let s represent a false statement and let r represent a false statement. Find the truth value of the following statement.

svlad2 [7]

I'll interpret the given statement as

$\neg \bigg( \neg s \lor \big( \neg r \land s \big) \bigg)$

where $\neg x$ means "not x", $\lor$ means "or", and $\land$ means "and".

If r is false, then $\neg r$ is true.

s is given to be false, so $\neg r\land s$ (basically "true and false") is false.

If s is false, then $\neg s$ is true.

Then $\neg s \lor \big(\neg r \land s\big)$ (i.e. "true or false") is true.

Take the negation of that and you end up with a false statement.

If you intended "~r < s" to mean something like "not r is implied by s", so the original statement is actually

$\neg\bigg(\neg s \lor \big(\neg r \impliedby s \big)\bigg)$

then $s\implies \neg r$ is true because s is false. Then $\neg s \lor \big(\neg r \impliedby s\big)$ is still true, so the statement still ends up being false.

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3 years ago

L'Airbus A380 consomme approximativement 15 600 litres de kérosène à

sasho [114]

Answer:

7 800 pour 1/2 heure

Step-by-step explanation:

15 600/2=7 800

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3 years ago

7 460 400 is one hundred thousand larger than 7 450 400

julia-pushkina [17]

Answer:

Step-by-step explanation:

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Mashutka [201]

Answer:

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V = 4/3*22.7*8

V = 32.656 m³

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