Math, asked by nzanbemomurry06, 4 months ago

4.8
4.82
ОО
O
+
6.9
6.96
6.94
6.99
7
6.92
6.9
NOW TRY
THIS!
• Write the correct decimals on the coconuts.
o
ООО
+
5-08
5-09
21​

Answers

Answered by swetakumari46
3

Answer:

\huge{ \purple{ \star{answer}}}\\  \\  -1,4,9,14...........129  \\  \\ a =  - 1 \\  \\ d = 4 - ( - 1) = 5 \\  \\ tn = 129 \\  \\  \huge{ \pink{to \:  \:  \: find : }} \:  \: n \\  \\  \large{ \bold{tn = a + (n - 1)d}} \\  \\  \large{ \bold{129 =  - 1 + (n - 1)5}} \\  \\  \large{ \bold{130 = 5n - 5}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\ \large{ \bold{135 = 5n}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\ \large{ \bold{ \frac{135}{5}  = n}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\ \large{ \bold{27 = n}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

Answered by Anonymous
2

−1,4,9,14...........129

a=−1

d=4−(−1)=5

tn=129

tofind:n

tn=a+(n−1)d

129=−1+(n−1)5

130=5n−5

135=5n

n=27

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