Mathematics, 09.12.2019 19:31 sanaiajohnson56

Mike is buying plates and cups .cups come in packs of 12 and plates come in packs of 10 she wants to buy the same amount of cups and plates but wants to pay for them at the lowest price because cups are $3 and plates are $5 explain

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The lowest amount of money she can spend buying the same amount of cups and plates is..

$43.00

To figure this out, we must find the least common multiple (LCM) of 12 and 10. The LCM of 12 and 10 is 60. After we have figured that out, we must figure out how much money it costs for 60 of each product. So in order to do this, we must first find how many packs she purchased of each product. Once we have found that she purchased 5 packs of each, we must do the math and figure out how much money it cost for 5 packs of each. For 5 packs of cups, it costed her $18, because 3 x 5 = 18. For 5 packs of plates, it costed her $25, because 5 x 5 = 25. We must then add together those two numbers to find our final answer. When adding 18 and 25, we get the sum of 43. That means she spent $43 dollars in total.

Hope this helps! :)

Answer from: Quest

.19875994384

step-by-step explanation:

1699/ 8548

Answer from: Quest

when functions are first introduced, you will probably have some simplistic "functions" and relations to deal with, usually being just sets of points. these won't be terribly useful or interesting functions and relations, but your text wants you to get the idea of what the domain and range of a function are. small sets of points are generally the simplest sorts of relations, so your book starts with those.

step-by-step explanation:

state the domain and range of the following relation. is the relation a function?

{(2, –3), (4, 6), (3, –1), (6, 6), (2, 3)}

the above list of points, being a relationship between certain x's and certain y's, is a relation. the domain is all the x-values, and the range is all the y-values. to give the domain and the range, i just list the values without duplication:

domain: {2, 3, 4, 6}

range: {–3, –1, 3, 6}

(it is customary to list these values in numerical order, but it is not required. sets are called "unordered lists", so you can list the numbers in any order you feel like. just don't duplicate: technically, repetitions are okay in sets, but most instructors would count off for this.)

while the given set does indeed represent a relation (because x's and y's are being related to each other), the set they gave me contains two points with the same x-value: (2, –3) and (2, 3). since x = 2 gives me two possible destinations (that is, two possible y-values), then this relation is not a function.

note that all i had to do to check whether the relation was a function was to look for duplicate x-values. if you find any duplicate x-values, then the different y-values mean that you do not have a function. remember: for a relation to be a function, each x-value has to go to one, and only one, y-value.

state the domain and range of the following relation. is the relation a function?

{(–3, 5), (–2, 5), (–1, 5), (0, 5), (1, 5), (2, 5)}

i'll just list the x-values for the domain and the y-values for the range:

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