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3 years ago

Simplify using the multiplication rule.

Mathematics

2 answers:

Luden [163]3 years ago

8 0

$\sf \bf {\boxed {\mathbb { a. \:2 {y}^{2} \sqrt{6x}}}}$

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}$

$\sqrt{4x {y}^{3} } \sqrt{6y}$

$= \sqrt{4 \times 6 \: x \: {y}^{(3 + 1)} }$

$= \sqrt{( {2})^{2} \times 6 \: x \: {y}^{4} }$

$= \sqrt{( {2})^{2} \times 6 \: x \: { ({y}^{2} })^{2} }$

$= 2 {y}^{2} \sqrt{6x}$

$\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}$

goldenfox [79]3 years ago

3 0

A. the first one is the answer

Step-by-step explanation:

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A percentage is a way to describe a part of a whole. The approximate percent decrease in the price is 21.87%, thus, the correct option is B.

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A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

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Given that the points (-1, 5) and (2, 1) are vertices of a rectangle with sides parallel to the axes, how much longer is the len

Norma-Jean [14]

Answer:

Correct choice is A

Step-by-step explanation:

Two vertices of the rectangle have coordinates A(-1, 5) and B(2, 1). If rectangle sides are parallel to the axes, then two remaining vertices have coordinates C(-1,1) and D(2,5) (see attached diagram for details).

Find the length and the width:

$AC=\sqrt{(-1-(-1))^2+(5-1)^2}=4\ units,\\ \\AD=\sqrt{(2-(-1))^2+(5-5)^2}=3\ units.$