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irakobra [83]
3 years ago
15

MATH!!! HELP!!! PLSSSSSS!!!

Mathematics
1 answer:
Ugo [173]3 years ago
4 0

Answer:

{ \rm{slope =  \frac{y _{2} - y _{1}}{x _{2} - x _{1}} }} \\  \\ { \tt{slope =  \frac{35 - 14}{20 - 8} }} \\  \\ { \tt{slope =  \frac{21}{12} }} \\  \\ { \boxed{ \rm{slope =  \frac{7}{4} }}}

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Answer:

Area = 97.4 cm²

Step-by-step explanation:

a = 15 cm

        Area = \frac{ \sqrt 3}{4} a^2\\

                 =\frac{\sqrt 3}{ 4 } \times 15^2\\\\=\frac{\sqrt 3}{ 4 } \times 225\\\\= 97.4 \ cm^2

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3 years ago
How do i solve the square root of 54x^9y^6?
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Answer:

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Step-by-step explanation:

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chubhunter [2.5K]

Answer:

The length of b is \sqrt{2x^2(1-cos\beta)}.

Step by step explanation:

Given information: In ΔABC, ∠A =∠C, ∠B = ß (where ß is an acute angle), and BC = x.

Since two angles are same therefore triangle ABC is an isosceles triangle and side AB and BC are congruent.

AB=BC=x

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b^2=a^2+c^2-2ac\cos B

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Therefore the length of b is \sqrt{2x^2(1-cos\beta)}.

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