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Ainat [17]
3 years ago
15

What is a chemical change also known as?

Mathematics
2 answers:
stira [4]3 years ago
6 0
The answer is a chemical reaction
Sindrei [870]3 years ago
5 0
It is known as chemical change
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What is 4.125 to the nearest whole number?
Elis [28]
When you are rounding numbers, if the integer to the right is <5, then you keep your rounding number.  If it is >5, then you add 1 place value to your rounding number.

Therefore, if you are trying to round 4.125 to the nearest whole number, you are trying to round it to the ones place, or where the 4 is.  
Because 1<5, 4.125 rounded to the nearest whole number is 4.
5 0
3 years ago
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Write down a number that is not a rational number. explain why.
KatRina [158]
3.7491739193721... because rational numbers are numbers like -3 -2 -1 0 1 2 3 and decimals like 3.3333333 and 1.62162162162162 because they repeat the same numbers like a pattern, with 3 repeating or 162.The decimal 3.7491739193721... is not rational, or irrational because it is not repeating or terminating, or stopped.
8 0
2 years ago
Can somebody help me?
True [87]

Answer:

7-(-2)=7+2

Step-by-step explanation:

7-(-2)=9

7+2=9

Hope this helps!

6 0
3 years ago
Five twelfths ot the participants at a conference brought laptop computers with them
elena-14-01-66 [18.8K]

The number of participants with laptop is 115 and without laptop is 161

<u>Step-by-step explanation:</u>

Total number of participants= 276

Participants with laptop = (5/12) 276

= 115

Participants without laptop= 276 - 115

= 161

5 0
3 years ago
HELP FAST IT'S TIMED
anygoal [31]

Answer:

d = 1/2

Step-by-step explanation:

5/6 = 1/3 + d

~Find common denominators

5/6 = 2/6 + d

~Subtract 2/6 to both sides

3/6 = d

~Simplify

1/2 = d

Best of Luck!

4 0
3 years ago
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