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Tresset [83]
3 years ago
7

Há quatro jovens numa sala eles têm em média 13 anos se entra na sala um rapaz de 23 anos qual passa a ser a média da idades do

grupo ?
Mathematics
1 answer:
SOVA2 [1]3 years ago
3 0

Answer:

i dont get it

Step-by-step explanation:


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HELP ME PLZZ, ASAP!!<br><br> In your own words explain what a Cross Section is.
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4 0
3 years ago
Can someone help pleasee!?​
pav-90 [236]

Answer:

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7 0
3 years ago
I’m stuck on this I don’t understand.
Viktor [21]

Hello from MrBillDoesMath!

Answer:

The first choice (with the square roots of negative integers)


Discussion:

Number such as  0,1,2,3  or -4, -5, -8, or Pi, sqrt(12), sqrt(15),  or 1/2, 1/10, 1/14 are all REAL numbers.

The square root of a negative number,  such as sqrt(-3), is an imaginary number. The answer is the first choice


Thank you,

MrB

7 0
3 years ago
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