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Jlenok [28]
3 years ago
9

Help picture below problem 16

Mathematics
1 answer:
kirill115 [55]3 years ago
8 0

Answer:

Regular Hexagon

Step-by-step explanation:

There are six sides and all sides are equal

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denpristay [2]

1.\\A(n)=-2\cdot5^{n-1}\\\\\text{Find the first, fourth, and eighth terms}\\\text{It means}\ A(1),\ A(4)\ \text{and}\ A(8).\\\\\text{Substitute}\ n=1,\ n=4\ \text{and}\ n=8\ \text{in}\ A(n):\\\\A(1)=-2\cdot5^{1-1}=-2\cdot5^0=-2\cdot1=-2\\\\A(4)=-2\cdot5^{4-1}=-2\cdot5^3=-2\cdot125=-250\\\\A(8)=-2\cdot5^{8-1}=-2\cdot5^7=-2\cdot78,125=-156,250\\\\\boxed{Answer:\ a)\ -2,\ -250,\ -156,250}.


2.\\a_1=-6,\ r=2\\\\\text{The formula of a n-th term of geometric sequence}\\\\a_n=a_1r^{n-1}\\\\\text{Substitute:}\\\\a_n=-6\cdot2^{n-1}=-6\cdot2^n\cdot2^{-1}=-6\cdot2^n\cdot\dfrac{1}{2}=-3\cdot2^n\\\\\boxed{Answer:\ A(n)=a_n=-3\cdot2^n}

4 0
3 years ago
Evaluate the following logarithmic expression without the use of a calculator. Enter your answer as a fraction reduced to the lo
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Assuming you meant <span>e⁴  thus
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\bf ln\left( \sqrt[7]{e^4} \right)\implies log_e\left( e^{\frac{4}{7}} \right)\\\\&#10;-----------------------------\\\\&#10;log_{{  a}}{{  a}}^x\implies x=x\impliedby \textit{let's use this cancellation rule}\\\\&#10;-----------------------------\\\\&#10;log_e\left( e^{\frac{4}{7}} \right)\iff \cfrac{4}{7}
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Answer:

0.36666 etc

Step-by-step explanation:

11/30

8 0
3 years ago
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Answer:

y = 7.8x² +317x +1

Step-by-step explanation:

Just finished the exam & I got it wrong...  copied the correct answer from the review.

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3 years ago
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kolbaska11 [484]

Answer:

The answer is - 9

Step-by-step explanation:

( {2}^{2}  - 4 \times 2 + 3) - (  { - 1}^{2}  - 4 \times  - 1 + 3 \\  =  - 9

4 0
3 years ago
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