1. What does this illustrate?

Mathematics

1 answer:

exis [7]3 years ago

7 0

1. Commutative property is the eon that says it doesn't matter what order to multiply of add numbers.

2. This is Transitive which is is a=b, and b=c the a=c

3. the same as 1

4. this is the same things, its not a property its unchanged

5. In this one you see has 2 and 3 and associated on the left and 3 and 4 on the right so it associates them differently but keeps the answer the same.

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16+4(c-5)=220 what is c

djyliett [7]

Answer:

c=205

Step-by-step explanation:

7 0

2 years ago

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8. Is the following statement true or false? Justify your conclusion. If a and b are nonnegative real numbers and a + b =0, then

atroni [7]

Answer:

If $a + b = 0$ then $a = 0$ and $b =0$

a | b | a + b (answer)

0 | 0 | 0

0 | 1 | 1

0 | 2 | 2

1 | 0 | 1

2 | 0 | 2

1 | 1 | 2

2 | 1 | 3

Step-by-step explanation:

Considering the following conditions for the real numbers:

$a\geq 0\\b\geq 0$

Following the rules of these in-equations, it is possible to deduce:

$a + b \geq 0$

Then, if the proposed statement is:

$a + b = 0$

The conditions above shall comply the requirements established, but first, analyzing the statement:

If $a \geq 0$ and $b \geq 0$ then $a + b \geq a$ , $a + b \geq b$ and $a + b \geq 0$ .

If $a = 0$ and b a non negative real number, then $a + b \geq b$ , but because to $a = 0$ , then $a + b = b$ . Due to the commutative property of sums, the same behavior will be presented if $b = 0$ and a a non negative real number.