3 years ago

The explains why a x b = b x a and a + b = b + a.

1 answer:

6 0

Answer: The commutative property

Explanation: the commutative property of addition/multiplication states that no matter what order the expression is in it will equal the same thing.

You might be interested in

(a) A tram moved downward 72 meters in 8 seconds at a constant rate. What was the change in

Alex787 [66]

Answer:

a) 9 meters.

b) The total change in temperature was of 288ºC

Step-by-step explanation:

Both these questions can be solved using rules of three.

a) 72 meters in 8 seconds. How many meters it changes each second(in 1 second)?

8s - 72m

1s - x m

$8x = 72$

$x = \frac{72}{8}$

$x = 9$

9 meters.

b) In 1 hour, heated by 6ºC. How much in total during 48 hours?

1h - 6ºC

48h - xºC

x = 48*6

The total change in temperature was of 288ºC

3 0

2 years ago

Jorge is playing a computer math game. In Round 1 he lost 3.8 points, Round 2 he lost another 6.7 points, and in Round 3 he gain

ad-work [718]

The overall change in points after three rounds is 5.3 points

8 0

2 years ago

The graph shows f(x)=2x+1 and g(x)=3x.

k0ka [10]

Here, 2x + 1 = 3x
3x - 2x = 1
x = 1

In short, Solution would be 1 only.

Hope this helps!

8 0

2 years ago

What is the vertex of f(x)=(x+1)^2-6

RoseWind [281]

(-1, -6) is the vertex of that equation. use the number in the brackets and change the signs for the x-value. use the last number outside of the brackets for the y-value

8 0

2 years ago

What it the answer to 517-91-2.

iris [78.8K]

The answer to your question is 424

6 0

3 years ago

Read 2 more answers