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3 years ago

Plz help ill give u brainlist l need help with my life plz

Mathematics

2 answers:

klio [65]3 years ago

7 0

Average age for Group A is 26.8, average for Group B is 33.2
If you can count, group A's average is younger

PIT_PIT [208]3 years ago

4 0

The mean of group A is 26.8 years

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Is 3, 1, 1/3, 1/9,... a geometric sequence?

barxatty [35]

$a_1;\ a_2;\ a_3;\ a_3;\ ...;\ a_n;\ a_{n+1};...\ is\ a\ geometric\ sequence\\if\ a_{n+1}:a_n=const.\\-------------------\\a_1=3;\ a_2=1;\ a_3=\dfrac{1}{3};\ a_4=\dfrac{1}{9}\\\\a_4:a_3=\dfrac{1}{9}:\dfrac{1}{3}=\dfrac{1}{9}\cdot\dfrac{3}{1}=\dfrac{1}{3}\\\\a_3:a_2=\dfrac{1}{3}:1=\dfrac{1}{3}\\\\a_2:a_1=1:3=\dfrac{1}{3}\\\\Answer:Yes.\ It's\ the\ geometric\ sequence.$

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3 years ago

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The answer is C. She scored 8 points

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3 years ago

the larger room is twice as long as the smaller room. how long is the larger room. small room is 20 4/5 feet

masya89 [10]

Answer:

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3 years ago

Help answer question about triangles!

Anna11 [10]

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3 years ago

Read 2 more answers

10 + 2n = 8n - 2n + 10

galina1969 [7]

Answer:

n=0

Step-by-step explanation:

Rearrange

10+2=8−2+10

2+10=8−2+10

Combine like terms

2n+10=8n−2n+10

2+10=6+10

Subtract from both sides

2+10=6+10

2+10−10=6+10−10

Simplify

2n=6n

Subtract both sides from 6n of the equation

2=6

2−6=6−6

Solution

n=0

5 0

3 years ago