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Misha Larkins [42]
4 years ago
12

Use models to prove that 3 (a+b) is equivalent to 3a + 3b.

Mathematics
2 answers:
Novay_Z [31]4 years ago
6 0
E.g if a=2, b=3

3(2+3)
=3(5)
=15

3(2) + 3(3)
=6+9
=15
mezya [45]4 years ago
5 0
The 3 is distributed to the a+b inside the brackets........
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Which number rounds to 260 when rounded to the nearest 10?
mylen [45]
I looked it up and  got this........

What is 260 rounded to the nearest ten?
Here we will tell you what 260 is rounded to the nearest ten and also show you what rules we used to get to the answer. First, 260 rounded to the nearest ten is:
260
Remember, we did not necessarily round up or down, but to the ten that is nearest to 260.
When rounding to the nearest ten, like we did with 260 above, we use the following rules:
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3 0
3 years ago
The interior ages of a triangle have measure
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Answer:

See below in bold.

Step-by-step explanation:

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So x = 180 - (55 + 25)

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