3 years ago

Which pair of inequalities would overlap if they were graphed?

Mathematics

2 answers:

Anastaziya [24]3 years ago

8 0

The third one is the answer.

sp2606 [1]3 years ago

8 0

3rd....................

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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

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ivann1987 [24]

Answer:

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Hence, they are equivalent.

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3 years ago

The best rule of thumb in assessment is to be sure children understand one-digit numbers before going on to:

Tpy6a [65]

Before going to B.two-digit addition

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Hatshy [7]

Answer:

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Step-by-step explanation:

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2 years ago

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kolezko [41]

Answer:

I really don't know! Hope you have a good grade :)

Step-by-step explanation:

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