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jasenka [17]
3 years ago
10

Any luck with this question ??

Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
4 0

Answer:

It is linear.

Step-by-step explanation:

Check slope for each two sets, (y2-y1)/(x2 - x1), if all of them are the same, then it is linear. In this question the slope is -2, taking the first two as an example (4-8)/(4-2) = -2.

Dennis_Churaev [7]3 years ago
3 0
Linear, decrease by 2 for every decrease of x.
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Answer:

25 students.

Step-by-step explanation:

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From the line plot, each dot represents a student. While the number on the line shows the number of blocks walk each day by each student.

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Question :-
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\qquad\qquad\huge\underline{{\sf Answer}}

Let's solve ~

\qquad \sf  \dashrightarrow \:  \bigg( \dfrac{1}{ \sqrt{7 +  \sqrt{5} } }  +  \sqrt{7 +  \sqrt{5} } \bigg) {}^{2}

\qquad \sf  \dashrightarrow \:  \bigg( \dfrac{1}{ \sqrt{7 +  \sqrt{5} } } \bigg ) {}^{2}  +  \bigg( \sqrt{7 +  \sqrt{5} } \bigg) {}^{2}  + 2 \cdot \dfrac{1}{ \sqrt{7 +  \sqrt{5} } }  \cdot \sqrt{7 +  \sqrt{5} }

\qquad \sf  \dashrightarrow \: \dfrac{1}{7 +  \sqrt{5} }  + 7 +  \sqrt{5}  + 2

\qquad \sf  \dashrightarrow \: \dfrac{49 + 7 \sqrt{5} + 7 \sqrt{5} + 5 + 14 + 2 \sqrt{5}   }{7 +  \sqrt{5} }

\qquad \sf  \dashrightarrow \: \dfrac{68+ 16 \sqrt{5}    }{7 +  \sqrt{5} }

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Answer:

285 words

Step-by-step explanation:

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