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stepladder [879]
3 years ago
9

A number t multiplied by -4 is at least - 2/4

Mathematics
1 answer:
iris [78.8K]3 years ago
5 0
-4t> -2/4
Turn sign because dividing negative
4t<-1/2
-4/2
T<-2
—
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Step-by-step explanation:


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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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As a consequence, any number that cannot be expressed as a fraction or rational number is defined as an Irrational number.

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}

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Correct option:

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

6 0
3 years ago
One factor of 2x^2-32y^2 is
Sergeeva-Olga [200]
Factor the following:
2 x^2 - 32 y^2
Factor 2 out of 2 x^2 - 32 y^2:
2 (x^2 - 16 y^2)
x^2 - 16 y^2 = x^2 - (4 y)^2:
2 (x^2 - (4 y)^2)
Factor the difference of two squares. x^2 - (4 y)^2 = (x - 4 y) (x + 4 y):
Answer:  2 (x - 4 y) (x + 4 y)
6 0
3 years ago
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