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Marina86 [1]
3 years ago
13

.7 pls :P need this so I don’t fail math

Mathematics
1 answer:
Masteriza [31]3 years ago
7 0

Answer:

B

Step-by-step explanation:

distribute 1/2 into 2x and 4, if both sides match then its infinitely many solutions !

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What is the sum of the first seven terms of the geometric series where a1 = 10 and r = −2?
lbvjy [14]

Answer:

  • 430

Step-by-step explanation:

<h3>Given GP with:</h3>
  • a1 = 10
  • r = -2
<h3>To find</h3>
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<h3>Solution</h3>

<u>Formula of sum:</u>

  • Sn = a1(r^n - 1)/(r - 1)

<u>Substitute values:</u>

  • S7 = 10((-2)^7 - 1)/(-2 - 1) = 10(- 128 - 1)/(-3) = 10*129/3 = 430
5 0
3 years ago
12.
Verdich [7]

Answer:

C

Step-by-step explanation:

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4 years ago
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Archy [21]

Answer:

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Step-by-step explanation:

\because \triangle FGH\cong\triangle IJK

\therefore \angle G\cong \angle J

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\because m\angle J= 83\degree

\huge \purple {\boxed {\therefore m\angle G= 83\degree}}

8 0
3 years ago
The daily number of minutes a drummer practiced drumming during a week are 48, 42, 48, 46, 49, 52, 45, and 50.
Sedaia [141]

Answer:

b

Step-by-step explanation:

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Brilliant_brown [7]

Answer:

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Step-by-step explanation:


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