Mathematics, 13.07.2019 10:00 oKINGDEROo

Can someone show me the work to this?

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Answer from: evelin23

To simplify the terms you execute a prime factorization (divide exactly by the smallest prime possible until you reach 1) which in the case of 320 would be: 320=2*2*2*2*2*2*5. Every factor which exists twice can be taken out of the root. Simplify the many 2s into 2 equal readable factors: 320=2*2*2*2*2*2*5=8*8*5

$\sqrt{320}=\sqrt{8*8*5}=8\sqrt{5}$

$\sqrt{162}=\sqrt{9*9*2}=9\sqrt{2}$

$\sqrt{108}=\sqrt{6*6*3}=6\sqrt{3}$

$\sqrt{125}=\sqrt{5*5*5}=5\sqrt{5}$

$\sqrt{63}=\sqrt{3*3*7}=3\sqrt{7}$

$\sqrt{432}=\sqrt{3*12*12}=12\sqrt{3}$

$\sqrt{112}=\sqrt{4*4*7}=4\sqrt{7}$

$\sqrt{98}=\sqrt{7*7*2}=7\sqrt{2}$

$\sqrt{12}=\sqrt{2*2*3}=2\sqrt{3}$

$\sqrt{726}=\sqrt{11*11*6}=11\sqrt{6}$

$\sqrt{300}=\sqrt{3*10*10}=10\sqrt{3}$

$\sqrt{8}=\sqrt{2*2*2}=2\sqrt{2}$

$\sqrt{27}=\sqrt{3*3*3}=3\sqrt{3}$

$\sqrt{18}=\sqrt{2*3*3}=3\sqrt{2}$

$\sqrt{196}=\sqrt{14*14}=14$

$\sqrt{30}=\sqrt{3*5*2}=\sqrt{3*10}$ and the end

Answer from: Quest

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

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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