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scoundrel [369]

3 years ago

10

in the first year there are 35 participants in the third year there were 57 participants. how many participants are predicted fo

r the 5th year?

1 answer:

bearhunter [10]3 years ago

8 0

79 because from year 1 to year 3 it went up by 22 so you can predict it will go up by another 22

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4/7 (2c + 9) = 3/7<br> (the / means a fraction)

xenn [34]

Answer:

C=-33/8

Step-by-step explanation:

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2 years ago

The first term of a geometric sequence is 7, and the ratio (multiplier) is 3. what is the sum of the first 5 terms of the sequen

Anni [7]

Hello,

1)
$a_{1}=7$
$a_{2}=7*3$
$a_{3}=7*3^2$

$a_{n}=7*3^{n-1}$

$s=a_{1}+a_{2}+a_{3}+a_{4}+a_{5}=7*(1+3^1+3^2+3^3+3^4)$
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3 years ago

there are 9 boys in a class of 14 students. a)what is the ratio of boys to girls. b) what is the ratio of girls to all students

ElenaW [278]

Answer:

a). 9 to 5

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Step-by-step explanation:

If there are 9 boys then there are 5 girls because 14 - 9 = 5.

So, there are 5 girls of 14 students in the class.

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2 years ago

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Wittaler [7]

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7 means ones because it is the units

Step-by-step explanation:

4= thousand

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2 years ago

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