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jok3333 [9.3K]
2 years ago
6

What’s the rate of change of the table above? A) -1/3 B) 1/2 C) -1/4 D) 1/5

Mathematics
1 answer:
insens350 [35]2 years ago
3 0

answer is option D

because you can divide them like

\frac{2}{10}  =  \frac{1}{5}  \\  \\  \frac{4}{20}  =  \frac{1}{5}  \\  \\  \frac{6}{30}  =  \frac{1}{5}  \\  \\  \frac{8}{40}  =  \frac{1}{5}

so the option is D

please mark this answer as brainlist

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How many terms are in the arithmetic sequence 9, 2, −5, . . . , −187?
Fantom [35]
9, 2, -5... so is going down by 7 each time, meaning the "common difference" is -7.

\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
a_1=9\\
d=-7\\
a_n=-187
\end{cases}
\\\\\\
-187=9+(n-1)(-7)\implies -187=9-7n+7
\\\\\\
7n=9+7+187\implies 7n=203\implies n=\cfrac{203}{7}\implies \boxed{n=29}
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3 years ago
Use 3.14 for the value of , and round your answers to two decimal places, where applicable. If the diameter of a circle is 15 m,
sergejj [24]

if the diameter of a circle is 15, its radius is half that or 7.5.

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2 years ago
-3/4 is a rational number, but not an integer.<br> True<br> False
lora16 [44]

Answer:

It's true because its a rational number.

Step-by-step explanation:

8 0
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Read 2 more answers
Hi need help?????!!!
Juliette [100K]

D

C

Sorry if both aren't correct, it's been a while since i did this...

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2 years ago
8 times a certain number is added to 5 times a second number to give 184.
Genrish500 [490]

Answer:

8x+5y=184

Hope This Helps!!!

7 0
2 years ago
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