3 years ago

What goes on the green box

Mathematics

1 answer:

Gre4nikov [31]3 years ago

5 0

Answer:

I think it's 6 but I'm not 100% sure sorry

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I give up<br> what is 4.05 reapting equivelent to

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The surface of a table to be built will be in the shape shown below. The distance from the center of the shape to the center of

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Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15

goblinko [34]

$a_n=5 \ for \ n=1 \\
a_n=-10 \ for \ n=2 \\
a_n=20 \ for \ n=3$

You can see it's a geometric sequence because the ratio is constant ( $\frac{a_3}{a_2}=\frac{a_2}{a_1}$ ).
The nth term of a geometric sequence:
$a_n=a_1 \times r^{n-1}$

$a_1=5 \\
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It has to be the sum for term 4 through term 15, so n=4 and the number above the sigma is 15.

Your answer:
$\sum^{15}_{n=4} 5(-2)^{n-1}$

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3 years ago

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hi sorry im slow could someone help

Gnoma [55]

Answer:

Step-by-step explanation:

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5)Place the numbers in order least to greatest 70%,2/3,0.68,-2.9,-1/2,150%

Anna35 [415]

Answer:

-2.9, -1/2, 2/3, 0.68, 70%, 150%

Step-by-step explanation:

My suggestion would be to change ebvery digits given to decimal form and just arrange it in order from smallest to biggest, and remember that negative value would be lower despite have big numbers that positive value

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