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AleksandrR [38]
2 years ago
13

Complete the following statements.

Mathematics
1 answer:
masha68 [24]2 years ago
8 0
  • A conjunction is true only if both statements are true.

The conjunction is the AND logical operator, and the result of A AND B is true only when both A and B are true. For example, "We are on planet earth, and elephants fly" is false, even if the first part is actually true.

  • A disjunction is true if at least one statement is true

In fact, the disjunction is the OR operator, and this time one true statement is sufficient to make the whole expression true: "You are reading this answer on brainly or I am 4 meters tall" is true, although I'm not 4 meters tall.

  • For a conditional statement, a true hypothesis cannot imply a false conclusion

In fact, the latin expression "ex falso sequitur quodlibet" translates as "you can deduce whatever you want from a false premise". Using formulas, this means that the implication A \implies B is always true, no matter the truth value of B. So, both these implications

1+2 = 4 \implies \pi = 8

1+2 = 4 \implies 10-3=7

are true.

Conversely, if the hypothesis is true, then the implication is true only if the conclusion is true as well: if we change the previous example to

1+2 = 3 \implies \pi = 8

1+2 = 3 \implies 10-3=7

Only the second implication will hold.

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3 0
3 years ago
Create a linear function that has a rate of change of -4 and a solution at (-5,2)
san4es73 [151]

You would use the point-slope equation of y-y₁=mx(x-x₁)

So the rate of change is the slope and equals m, so m=-4

and has a solution at (-5,2) which would be the (x₁, y₁) and then it is just plugging in the numbers

y - (2) = (-4)(x - (-5))

y - 2 = -4 (x+5)

y - 2 = -4x - 20

y = -4x - 18

8 0
3 years ago
A student solved this problem and said the answer is 1 10  quart. Lila used 72 5  quarts of paint to paint her room. Renee used
MAXImum [283]

Answer:

b

Step-by-step explanation:

The right answer for the question that is being asked and shown above is that: "B.No, the answer is not reasonable. It should be about 13 quarts."A student solved this problem and said the answer is quart. Lila used quarts of paint to paint her room. Renee used quarts to paint her room. Lila use than Renee No, the answer is not reasonable. It should be about 13 quarts.

3 0
3 years ago
Read 2 more answers
I need some help with this math problem
gizmo_the_mogwai [7]

Step-by-step explanation:

15 long

12 wide

10 high

we need all for walls

hight times length two times ( these are the front and back walls )

hight times width two times ( These are the side walls )

the roof is

width times length (only once as only the ceiling)

same measurement as the floor

can you work it out with that

please mark brainiest

8 0
2 years ago
Solve: 9-5(9x +2) = -6
Sergeeva-Olga [200]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

x  =  1 /9

Decimal Form:

x  =  0. 1111111111111111111111111

Hope this helps! Have a great day!

3 0
3 years ago
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