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DochEvi [55]
3 years ago
8

Pls help quickly I’ll give u brainlyist btw it’s 7th grade math

Mathematics
1 answer:
erica [24]3 years ago
3 0

Answer:

2 and 5

Step-by-step explanation:

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Write the explicit formula that represents the geometric sequence -2, 8, -32, 128
MissTica
So hmm the first term is -2

and if we divide one term by the term before it, we'd get the "common ratio" "r"

so hmm say -32/8 that gives us -4, so r = -4

thus \bf n^{th}\textit{ term of a geometric sequence}\\\\
a_n=a_1r^{n-1}\qquad 
\begin{cases}
a_1=\textit{first term}\\
r=\textit{common ratio}\\
----------\\
a_1=-2\\
r=-4
\end{cases}\implies a_n=-2(-4)^{n-1}
6 0
4 years ago
The square below represents one whole.<br><br> What percent is represented by the shaded area?
Leokris [45]

Answer:

92%

Step-by-step explanation:

because there are 100 squares and 92 are shaded

8 0
3 years ago
ABC and CBD form a linear pair and have equal measures. Tell if ABC is acute, right, or obtuse
Murrr4er [49]
To form a linear pair means that when added, they equal 180 degrees.
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6 0
3 years ago
Read 2 more answers
During a concert the temperature should not rise above 40°C.
zaharov [31]

Answer:

the answer is 55

Step-by-step explanation:

if you subtract 40 degrees from 95 degrees you get 55 degrees. There are plenty of other ways to do that problem but i have a little bit of time. SORRY!

                                                                       -  I hope that helped

6 0
3 years ago
There are 4 types of the questions on Mrs. Moore's English final exam. The percent of each type of the question is shown in the
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Jesse, to answer this, we need to see the graph. I'd help if I could! You can message me if you post it! :D
7 0
3 years ago
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