Which number line model represents the expression 3\dfrac12 +(-6)3 2 1 +(−6)3, start fraction, 1, divided by, 2, end fraction, plus, left parenthesis, minus, 6, right parenthesis? Choose 1 Choose 1

lol we need to see what the question is asking about

step-by-step explanation:

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

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answer: d.) the total number of protons and neutrons is 15

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your friendly neighborhood human spider! .