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Rudik [331]
3 years ago
13

Why do we use variables, and what is the significance of using them in expressions and equations?

Mathematics
1 answer:
Olin [163]3 years ago
5 0
Variables are letters from the end of the alphabet
Economics always uses the firsts letter of whatever that letter is representing.

<span> An </span>expression<span> such as 4x</span>3<span> is a </span>variable<span>. It can assume different values because x can assume different values.</span>
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Answer: 0.5 oz is the weight of one cookie

Step-by-step explanation: If 2 cookies weight 1 oz then 1 cookie weights 0.5 oz.

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5. Guests are given a random goodie bag at a party. There are less than 15 bags, but more than 8. Part A: How many bags were pre
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Answer:

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Step-by-step explanation:

Number of the bags = between 8 and 15  and

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As per above the number is divisible by 2, 3 and 6. LCM of the three numbers is 6.

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