3 years ago

Can someone please help me URGENT

Mathematics

1 answer:

Lelu [443]3 years ago

4 0

Answer:

A. 2:1

B. 1:2

Step-by-step explanation:

Since girls are 2/3 of class, the remaining 1/3 are boys. So,

$\frac{1}{3} (boys) \: and \: \frac{2}{3} (girls) \\ \frac{1}{3} \infty \frac{2}{3} \\ \frac{1 \infty 2}{3} \\ that \: is \: 1 \infty 2 \: for \: boys \: to \: girls \: ratio$

NB: I used the infinity sign for rationality sign, because I couldn't get the sign here

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The first term of a geometric sequence is 4 and the multiplier, or ratio, is 2. what is the sum of the first 5 terms of the sequ

miss Akunina [59]

Hi,
There must have a bug on the site !!!

LoveYourselfFirst deleted your answer to the question
"Hello,Answer
=1244+8+16+32+64=124 6 minutes ago"
<span>The first term of a geometric sequence is 4 and the multiplier, or ratio, is 2. what is the sum of the first 5 terms of the sequence?
</span>
$a_1=4\\
a_2=2*a_1=8\\
a_3=2*a_2=2^2*a_1=4*4=16\\
a_4=2^3*a_1=8*4=32\\
a_5=2^4*a_1=16*4=64\\

4+8+16+32+64=124

$

<span />

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