3 years ago

Which of the following symbols indicates that a value is included in a solution set.

Mathematics

2 answers:

fiasKO [112]3 years ago

8 0

The answer is =. It has to be =

Ulleksa [173]3 years ago

3 0

Answer: Filled in bubble

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What is the reciprocal of 2/3

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Which of the following numbers can be expressed as decimals that terminate? 5/2 4/5 2/7 4/3

gulaghasi [49]

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3 years ago

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A sequence is constructed according to the following rule: its first term is 7, and each next term is one more than the sum of t

Iteru [2.4K]

Answer:

Step-by-step explanation:

According to the described rule, we have

$a_1=7\\ \\a_1^2=7^2=49\Rightarrow a_2=4+9+1=14\\ \\a_2^2=14^2=196\Rightarrow a_3=1+9+6+1=17\\ \\a_3^2=17^2=289\Rightarrow a_4=2+8+9+1=20\\ \\a_4^2=20^2=400\Rightarrow a_5=4+0+0+1=5\\ \\a_5^2=5^2=25\Rightarrow a_6=2+5+1=8\\ \\a_6^2=8^2=64\Rightarrow a_7=6+4+1=11\\ \\a_7^2=11^2=121\Rightarrow a_8=1+2+1+1=5\\ \\\text{and so on...}$