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Nataly_w [17]
3 years ago
8

What words are accepted without proof in a logical system

Mathematics
1 answer:
Nadya [2.5K]3 years ago
3 0
Axiom and postulates. They are considered to be self evident.
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3 years ago
|9x-7|=|6x+3| Solve the inequality
dexar [7]

Answer:

x = 4/15 and x= 10/3

Step-by-step explanation:

|9x-7|=|6x+3|

There are two solutions, one positive and one negative.

(9x-7)=6x+3                   - (9x-7)=6x+3

We will take the positive one first

(9x-7)=6x+3

Subtract 6x from each side

(9x-6x-7)=6x-6x+3

3x -7=3

Add 7 to each side

3x-7+7 = 3+7

3x = 10

Divide by 3x/3 = 10/3

x = 10/3


Now we will take the negative solution

- (9x-7)=6x+3

Distribute the negative sign

-9x+7 = 6x+3

Add 9x to each side

-9x+9x+7 = 6x+9x+3

7 = 15x+3

Subtract 3 from each side

7-3 = 15x +3-3

4 = 15x

Divide by 15 on each side

4/15 =15x/15

4/15 =x

8 0
3 years ago
A) 0.15<br> B) an equal sign<br> C) a multiplication sign <br> D) a percent sign
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Answer:

B

Step-by-step explanation:

What is 15% of 60 is nothing but What equals 15% of 60 or What = 15% of 60

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2 years ago
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Answer:

Step-by-step explanation:

difference means subtract.

The 24  is mentioned first so it is written  first.

Then comes the minus sign

Then the number (x)

24 - x

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Remember what we know about vertical angles and solve for x.
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