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Anastasy [175]
3 years ago
11

Help PLEASE! I will make you brainlist!

Mathematics
1 answer:
REY [17]3 years ago
8 0

Answer: proportional

Step-by-step explanation: it is proportional because you can multiply any number by 7

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-25 Points-
Furkat [3]

\bf ~\hspace{5em} \textit{ratio relations of two similar shapes} \\\\ \begin{array}{ccccllll} &\stackrel{\stackrel{ratio}{of~the}}{Sides}&\stackrel{\stackrel{ratio}{of~the}}{Areas}&\stackrel{\stackrel{ratio}{of~the}}{Volumes}\\ \cline{2-4}&\\ \cfrac{\stackrel{similar}{shape}}{\stackrel{similar}{shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3} \end{array}~\hspace{6em} \cfrac{s}{s}=\cfrac{\sqrt{Area}}{\sqrt{Area}}=\cfrac{\sqrt[3]{Volume}}{\sqrt[3]{Volume}} \\\\[-0.35em] \rule{34em}{0.25pt}

\bf \cfrac{s}{s}=\cfrac{\sqrt{64}}{\sqrt{81}}\implies \cfrac{s}{s}=\cfrac{8}{9}\qquad \leftarrow \textit{ratio of the sides or scale factor}

6 0
3 years ago
Kathy runs a 26.2 mile marathon at an average pace of 6.2 minutes per mile. how long will it take her to finish the marathon? ro
Ksivusya [100]
Time = distance/speed = 26.2/6.2

7 0
3 years ago
Read 2 more answers
F(1)=-8<br> f(n)=f(n-1)-3<br> Find the explicit formula<br> Will mark Brainiest
laiz [17]

f(1) = -8, simply is a way of saying, the 1st value in the arithmetic sequence is -8.

f(n) = f(n-1) - 3, is another way of saying, following values are just, the previous minus -3.

so in short, -3 is the common difference, since that is what we're "adding" to get the new value in the sequence.

\bf n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^{th}\ term\\ n=\textit{term position}\\ a_1=\textit{first term}\\ d=\textit{common difference}\\[-0.5em] \hrulefill\\ d = -3\\ a_1 = -8 \end{cases} \\\\\\ a_n=-8+(n-1)(-3)\implies a_n=-8-3n+3\implies \stackrel{f(n)}{a_n}=\stackrel{\stackrel{explicit}{\downarrow }}{-3n-5}

6 0
3 years ago
Can you help me with question 14?
lisov135 [29]
All you need to do is multiply everything by30
4 0
3 years ago
Read 2 more answers
What is the mixed number 7 29/80 in decimal form
NISA [10]
The answer is 7.3625.
3 0
3 years ago
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