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alina1380 [7]
3 years ago
11

frac{ \sqrt{40} }{ \sqrt{3} } " alt=" \frac{ \sqrt{40} }{ \sqrt{3} } " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
storchak [24]3 years ago
5 0

Answer:

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{2\sqrt{30} }{ 3 }

Step-by-step explanation:

Given

\frac{ \sqrt{40} }{ \sqrt{3} }

Required

Simplify

\frac{ \sqrt{40} }{ \sqrt{3} }

Rationalize:

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{40} }{ \sqrt{3} }*\frac{ \sqrt{3} }{ \sqrt{3} }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{40*3} }{ \sqrt{3*3} }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{120} }{ \sqrt{9} }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{120} }{ 3 }

Expand the numerator

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{4*30} }{ 3 }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ \sqrt{4}*\sqrt{30} }{ 3 }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{ 2*\sqrt{30} }{ 3 }

\frac{ \sqrt{40} }{ \sqrt{3} } =\frac{2\sqrt{30} }{ 3 }

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Find the value of x so the figures have the same area
polet [3.4K]

Answer:

B) 4.5

Step-by-step explanation:

The area of the first figure is 10x

The area of the second figure is 6(x+3)=6x+18

To solve, find the x that makes 10x=6x+18

   1) 10x=6x+18

   2) 4x=18

   3) x=4.5

To check work)

   1) 10(4.5)=6(4.5)+18

   2) 45=27+18

   3) 45=45

4 0
2 years ago
Planet X has a mass of 8.46 x 1022 kg. Planet Y has a mass of 5,028,000,000,000,000,000,000,000 kilograms. How many times the ma
kramer

Answer:

59.4 times greater to the nearest tenth.

Step-by-step explanation:

5,028,000,000,000,000,000,000,000

= 5.028 * 10^24

So the required ratio =  5.028 * 10^24 / 8.46 * 10^22

= 0.594326 * 10^2

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= 59.4326.

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3 years ago
How do you type 40:16 ratio in to simplest form
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5:2
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mixas84 [53]
<h3>Answer: Choice B</h3>

=========================================================

Explanation:

The rule we use is

\Large a^{m/n} = \sqrt[n]{a^m} = \left(\sqrt[n]{a}\right)^m

where 'a' is the base, m stays in the role of the exponent, and n plays the role of the root index (eg: n = 3 is a cube root, n = 4 is a fourth root, and so on).

So for instance,

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5 0
2 years ago
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