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GenaCL600 [577]
1 year ago
14

Find the number of terms in the sequence and find the sum of the sequence: 5+9+13+...+145

Mathematics
1 answer:
SashulF [63]1 year ago
8 0
145-13-9-5 that what your looking for
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How do you know if a square root of something is rational or irrational? like i know it can be represented by a fraction or a ra
ra1l [238]
The square root of a whole number will be rational if the whole number is a perfect square (i.e 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144 etc) and irrational otherwise.

Rational number is a number that can be described as m/n 

so a fraction can be a rational number, 0.8=4/5 
Irrational numbers can't be written as a fraction 

The part about the number having to be a perfect square is still correct, if it's not a prefect square than it will just keep going(a decimal that never ends) 

for example the square root of 0.64 is 0.8 
and the square root of 10 is 3.162277... 
as you can see the 0.64 one ends and is rational, whereas the 10 one just keeps going and is irrational.
5 0
3 years ago
As an estimation we are told £3 is €4.
NeX [460]

Answer:

25.60 €.

Step-by-step explanation:

£3 is €4

So £1 is €4/3

and £19.29 = 19.20 * 4/3

= 25.60 €

6 0
2 years ago
Use mental mathe to solve n−5=−6
vredina [299]

Answer:n=-1

Step-by-step explanation:n=-6+5

n=-1

4 0
3 years ago
Read 2 more answers
Write in Standard Form:<br><br> 9a^2 + 5 = 0
Levart [38]

<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

Answer:

It is in standard form!!!

:)

<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

4 0
2 years ago
WILL MARK BRAINLIEST!!!!!!!!!!!
lana [24]
I’m not completely sure about the answers but i can say this: every month adrienne get 5 new dollars. so if it was at like 2 months and $10 (for example) the next month (month 3) she would have $15
5 0
3 years ago
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