3 years ago

Evaluate the expression 10 - 4 / 2

Mathematics

2 answers:

Alexxandr [17]3 years ago

8 0

Answer:

The answer is 8

Step-by-step explanation:

10−4/2

=10/1−4/2

=10/1+−4/2

=10/1+−2/1

=10+−2/1

I turned them both into fractions

Pie3 years ago

7 0

Answer:

The answer to the expression is 8

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Which radical expression is in simplified form A. 11y/sqrt3 B. sqrt6/5y C. sqrt17/sqrt4 D. sqrt25/18

Mkey [24]

Answer: $\frac{\sqrt{6}}{5y}$

Step-by-step explanation:

The given radical expressions are:

$A. \frac{11y}{\sqrt{3}}\\\text{It is not completely simplified ,}\\\text{since denominator is radical, we need to rationalize it first to simplify. }\\\\B.\frac{\sqrt{6}}{5y}\\\text{It is completely simplified ,}\\\text{since its denominator is not radical and 6 is not a perfect square. }\\\\C. \frac{\sqrt{17}}{\sqrt{4}}\\\text{It is not completely simplified ,}\\\text{since denominator is radical, we need to rationalize it first to simplify. }\\\\$ $\\\\D. \frac{\sqrt{25}}{18}=\frac{5}{18}\\\text{Hence, expression D was not completely simplified .}$