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Pavel [41]
2 years ago
10

How to solve 2t + 9.4 = 39.8

Mathematics
2 answers:
Tpy6a [65]2 years ago
6 0
First subtract 9.4 on both side so you get 2t=30.4 then divide the 2 on both side to get the variable by it self and you get t=15.2
sergejj [24]2 years ago
4 0
2t+9.4=39.8
2t=39.8-9.4
2t=30.4
t=30.4/2=15.2
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Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
What much expression represents a rational number?
Pie

Answer:

\displaystyle \frac{2}{7}+\sqrt{121}

Step-by-step explanation:

<u>Rational Numbers</u>

A rational number is any number that can be expressed as a fraction

\displaystyle \frac{a}{b}, \ b\neq 0

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Let's analyze each one of the given options

\displaystyle \frac{5}{9}+\sqrt{18}

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\displaystyle \frac{2}{7}+\sqrt{121}

The square root of 121 is 11. It makes the whole number a sum of a rational number plus an integer, thus the given number is rational

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As with the first number, the square root is not exact. The sum of a rational number plus an irrational number gives an irrational number.

Correct option:

\boxed{\displaystyle \frac{2}{7}+\sqrt{121}}

6 0
2 years ago
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Anastasy [175]
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5 0
3 years ago
Read 2 more answers
I really need help!!!
Ksenya-84 [330]

Answer(-2:23)


Step-by-step explanation:gose in a pattern.


8 0
2 years ago
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