1. Find 10% of 20 1. Find 10% of 12.

Mathematics

2 answers:

Natasha2012 [34]2 years ago

7 0

Answer:

10% of 12 = 0.1 * 12 = 1.2

10% of 20 = 0.1 * 20 = 2

Alona [7]2 years ago

3 0

10% of 12 is 1.2 and 10% of 20.1 is 2.01

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224 is what % of 640?

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There is a percent formula for all of these types of percent problems.

It is : is/of = %/100

224 is what % of 640
is = 224
of = 640
% = x
now just sub
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cross multiply because this is a proportion
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Read 2 more answers

Write a rule for the nth term of the arithmetic sequence: a11= 50, d = 7

ivolga24 [154]

Answer:

Required rule for $n^{th}$ is $a_{n}=7n-27$ .

Step-by-step explanation:

Given that,

$a_{11} = 50,\ \ d=7$

From the question: we have to write the $n^{th}$ term of Arithmetic sequence.

Arithmetic Sequence or Arithmetic progression (A.P) : It is a sequence which possess that difference between of two successive sequence is always constant.

$a_{1} ,a_{2},a_{3},a_{4}.....................a_{n-1},a_{n}$