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Fiesta28 [93]
3 years ago
6

Matt cut a circle into 8 equal sections.He drew an angle that measures the same as the total of 6 sections of the circle.What is

the measure of the angle Matt drew?
Mathematics
1 answer:
saw5 [17]3 years ago
4 0
The answer is 270 degrees. Hope this helps!(:
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The US postal service delivered 7.14 x 1010 pieces of mail in the month of December and 3.21 x 1010 in the month of January. Wha
kupik [55]
The US postal service delivered 7.14 x 1010 pieces of mail in the month of December 7.14 x 1010=7211.4

3.21 x 1010 in the month of January. 3242.1

What is the total mail delivered for these two months?

7211.4
+ 3242.1
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10453 .5 TOTAL MAIL
4 0
3 years ago
1. 39 = 1 3/10b<br><br> 2. 2/5g = 3/5
Crazy boy [7]
1. the answer is  b = 30 .... you first simply both sides of the equation then flip it then multiply both sides by 10/13 

2. the answer is g = 3/2 ...... multiply both sides by 5/2 
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3 years ago
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100 blue marbles to 60 red marbles=
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So the ratio is 100:60 and that simplified is 5:3. for every 5 blue there is 3 red
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3 years ago
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47 1/2 of what number is 190
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47 \frac{1}{2} \cdot x=190\\ \\ \frac{47\cdot2+1}{2} \cdotx=190\\ \\ \frac{95}{2} \cdot x=190\ /\cdot  \frac{2}{95} \\\\x= \frac{190}{1} \cdot  \frac{2}{95}\\ \\x=2\cdot2\\ \\x=4
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3 years ago
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Doug, a student in this class, knows how to write programs in JAVA. Everyone who knows how to write programs in JAVA can get a h
In-s [12.5K]

Missing Part of Question

Explain which rules of inference are used in the above

Answer:

Universal instantiation, Modus ponens and Existential generalization

Step-by-step explanation:

Splitting the Statement into two, we have

"Doug knows how to write program is Java"

and

"Doug can get a high paying job"

Represent Doug with x. Then the statements is rewritten as

P(x) = "x knows how to write program is Java"

and

Q(x) = "x can get a high paying job"

In logic, A premise is a statement in an argument that provides reason or support for the conclusion.

So, Statement 1 can be written as

1. P(x) ---- Premise

Then, we have

2. Vx(P(x) --> Q(x)) -- Premise. This mean that P(x) for all values in the domain.

The universal instantiation of (2) leads to

3. P(Doug) --> Q(Doug)

The modus ponens of the above gives

4. Q(Doug)

The existential generalisation from above gives

5. ƎxQ(x)

Which means someone in this class can get a high paying job.

PS:

Universal Instantiation is a valid rule of inference from a truth about each member of a class of individuals to the truth about a particular individual of that class; it is represented by VxP(x).

Existential Generalisation is a valid rule of inference that allows one to move from a specific statement, or one instance, to a quantified generalized statement, or existential proposition.

It is represented as ƎxP(x)

4 0
3 years ago
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