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3 years ago

Is -12.2 a rational number

Mathematics

2 answers:

alisha [4.7K]3 years ago

8 0

Answer:

Yes!

Step-by-step explanation:

It does not have a repeatinf decimal

Rainbow [258]3 years ago

5 0

Yes -12.2 is a rational number because integers extend whole numbers such as ...-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6.

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Is 2:4 and 3:8 proportion or not?

serg [7]

Answer:

Step-by-step explanation:

While these values are close, they are not equal, so I know the original fractions cannot be proportional to each other. So my answer is: The fractions are not

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2 years ago

Carol walks a circular path with a radius of 280 yards at the local park how far does she walk

Sergeu [11.5K]

1758.4 yards because you multiply 280 by two and by pi

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3 years ago

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An arithmetic sequence has this recursive formula: (a^1 =8, a^n= a^n-1 -6

eduard

Answer:

$a_n = 8 + (n - 1) (-6)$

Step-by-step explanation:

Given

$a_1 = 8$

Recursive: $a_{n} = a_{n-1} - 6$

Required

Determine the formula

Substitute 2 for n to determine $a_2$

$a_{2} = a_{2-1} - 6$

$a_{2} = a_{1} - 6$

Substitute $a_1 = 8$

$a_2 = 8 - 6$

$a_2 = 2$

Next is to determine the common difference, d;

$d = a_2 - a_1$

$d = 2 - 8$

$d = -6$

The nth term of an arithmetic sequence is calculated as

$a_n = a_1 + (n - 1)d$

Substitute $a_1 = 8$ and $d = -6$

$a_n = a_1 + (n - 1)d$

$a_n = 8 + (n - 1) (-6)$

Hence, the nth term of the sequence can be calculated using $a_n = 8 + (n - 1) (-6)$

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3 years ago

How much taller is a meter stick than 65 cm<br><br><br> will mark as brainiest

Lisa [10]

Answer:

it's 13 meters taller

Step-by-step explanation:

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3 years ago

2. True or false: In an exponential expression, you multiply the base by the exponent.

zysi [14]

Answer:

true

Step-by-step explanation:

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2 years ago

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