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Aleonysh [2.5K]
3 years ago
12

Is subtraction commutative? Explain by giving an example. PLEASE HELP! :D

Mathematics
1 answer:
lakkis [162]3 years ago
4 0
Addition and Multiplication are both commutative, subtraction is not ex: 5+6=6+5 but 5-6 does not equal 6-5
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BUILDING ON THE ESSENTIAL QUESTION .<br>How are negative exponents and positive exponents related?
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Zero-Exponent Rule: a0 = 1, this says that anything raised to the zero power is 1. ... Negative Exponent Rule: , this says that negative exponents in the numerator get moved to the denominator and become positive exponents. Negative exponents in the denominator get moved to the numerator and become positive exponents.
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3 years ago
Sun spot activity goes in an eleven-year cycle. The last cycle started in 2008 and ended in 2018. Here is the activity per year
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19999999999

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3 years ago
Emma is doing a science project. She is measuring the time it takes a snail to move 5 kilometres. It takes the snail one hour to
san4es73 [151]

Answer:

41.67hrs

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Answers to choose from:<br> m=250-25w<br> m=250+25w<br> m=250w<br> m+25w=250
Anna11 [10]
The equation for the graph is m=250-25w
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3 years ago
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Lexi and her mom are volunteering at an emergency relief center. To help prepare in case of a flood, they pack emergency kits wi
GenaCL600 [577]

The equation that can be used to find the number of emergency kits that Lexi packs is 4x=120.

Given that Lexi packs 4 water bottles into each kit and total 120 water bottles are packed by Lexi.

We are required to find the equation which can be used to find the number of emergency kits that Lexi packs.

Equation is like a relationship between two or more variables that are expressed in equal to form.Equation of two variables look like ax+by=c. It may be linear equation,quadratic equation, cubic equation and many more depending on the power of the variable that is present in that equation.

let the number of emergency kits that Lessi packs be x.

The equation which will shows the total number of bottles be:

=(Number of bottles in 1 kit)*x

Equation will be:

4x=120

Hence the equation that can be used to find the number of emergency kits that Lexi packs is 4x=120.

Learn more about equations at brainly.com/question/2972832

#SPJ9

8 0
2 years ago
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