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aniked [119]
3 years ago
9

Plz help I'll give brainliest

Mathematics
1 answer:
Ad libitum [116K]3 years ago
8 0
Answer: The answer is 144 I believe
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The first two terms of a geometric sequence are a1 = 1/3 and a2 = 1/6. What is a8, the eighth term?
SIZIF [17.4K]

Answer:

B. 1/384

Step-by-step explanation:

a1=1/3

a2 = 1/6

The constant factor is 1/2

a1=2/3*1/2

a2=2/3*1/2^2

a8=2/3*(1/2)^8

2/3*1/256

3 0
3 years ago
Read 2 more answers
HELP PLEASE SOON!
kirill115 [55]
1.\\\\\bold{v_1}=\langle2,4\rangle\qquad\bold{v_2}=\langle-1,5\rangle\\\\
\bold{v_1}\circ\bold{v_2}=2\cdot(-1)+4\cdot5=-2+20=18\qquad [\text{C}]\\\\\\
2.\\\\
\bold{v_1}= \langle2, 5\rangle\qquad \bold{v_2}= \langle4, -3\rangle\\\\\\
\bold{v_1}\circ\bold{v_2}=2\cdot4+5\cdot(-3)=8-15=-7\\\\||\bold{v_1}||=\sqrt{2^2+5^2}=\sqrt{4+25}=\sqrt{29}\\\\
||\bold{v_2}||=\sqrt{4^2+(-3)^2}=\sqrt{16+9}=\sqrt{25}=5\\\\\\


\cos\Theta=\dfrac{\bold{v_1}\circ\bold{v_2}}{||\bold{v_1}||\cdot||\bold{v_2}||}=\dfrac{-7}{5\cdot\sqrt{29}}\\\\\\
\cos\Theta=-\dfrac{7}{5\sqrt{29}}\quad\implies\quad\Theta=\arccos\left(-\dfrac{7}{5\sqrt{29}}\right)\\\\\\\boxed{\Theta\approx105,1^\circ}
7 0
4 years ago
Read 2 more answers
What is 2h+(6+h)+6•2
Romashka-Z-Leto [24]

2h+6+h+6*2

3h+6+12

3h+18

8 0
3 years ago
Read 2 more answers
For which value of m is 4/16 = m/24 a proportion
AnnyKZ [126]

Answer:

A is the answer

Step-by-step explanation:

What you do is you cross multiply 24x4 which equals 96. Then, you divide by 16. Which gives us: m = 6

4 0
3 years ago
Find the circumference of the circle below*
MAXImum [283]

Answer:

138.92

MATH

MATH

7 0
4 years ago
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