Mathematics, 15.07.2019 12:00 id0617045

Owen painted 4/15 of the wall. olan painted 8/15 of the same wall. what fraction of the wall is painted? what are the given facts? what is asked in the problem? what is the operation to be used? what is the number sentence? what is the answer to the problem? (i spent 35 points in this fast

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Given facts:
Owen painted 4/15 of the wall, and Olan painted 8/15 of the wall.

Problem asked:
How much of the wall is painted?

Operation used:
Becuase Owen and Olan painted the same wall, addition will be used to find out how much of the wall is painted.

Number sentence:
A number sentence is an equation that is expressed with numbers and operative symbols. The following equation is your number sentence:

$\frac{4}{15} + \frac{8}{15}$

Both fractions have the same denominator, so you can add the numerators together:

$\frac{4}{15} + \frac{8}{15} = \frac{12}{15}$

We can simplify this answer by finding the greatest common factor (GCF) of the numerator and denominator.

Factors of 12: {1,2,3,4,6,12}
Factors of 15: {1,3,5,15}

Divide the numerator and denominator by the GCF:

$\frac{12}{15} \div \frac{3}{3} = \frac{4}{5}$

4/5 of the wall is painted.

Answer from: Quest

answer

you start with $5 and save $10 a week until you have at least $45wer

step-by-step explanation:

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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Owen painted 4/15 of the wall. olan painted 8/15 of the same wall. what fraction of the wall is pain...