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3 years ago

The measure of an arc is 95°. What is the measure of an inscribed angle that intercepts it?

Mathematics

2 answers:

yuradex [85]3 years ago

8 0

It could be 190 because its a half measure

Dennis_Churaev [7]3 years ago

3 0

It could be 47.5 because the inscribed angle might be within the arc itself.

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WHAT IS X³-27 SIMPLIFIED

Eduardwww [97]

Answer:

It is (x - 3)³ - 9x(3 - x)

Step-by-step explanation:

Express 27 in terms of cubes, 27 = 3³:

$= {x}^{3} - {3}^{3}$

From trinomial expansion:

${(x - y)}^{3} = (x - y)(x - y)(x - y) \\$

open first two brackets to get a quadratic equation:

${(x - y)}^{3} = ( {x}^{2} - 2xy + {y}^{2} )(x - y)$

expand further:

${(x - y)}^{3} = {x}^{3} - y {x}^{2} - 2y {x}^{2} + 2x {y}^{2} + x {y}^{2} - {y}^{3} \\ {(x - y)}^{3} = {x}^{3} - {y}^{3} + 3x {y}^{2} - 3y {x}^{2} \\ {(x - y)}^{3} = {x}^{3} - {y}^{3} + 3xy(y - x) \\ \\ { \boxed{( {x}^{3} - {y}^{3} ) = {(x - y)}^{3} - 3xy(y - x)}}$

take y to be 3, then substitute:

$( {x}^{3} - 3^3) = {(x - 3)}^{3} - 9x(3 - x)$

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3 years ago

More comparing decimals

Lisa [10]

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3 years ago

If an electrician charges $60 an hour and a base fee Of 150 for every house call. Write an equation foR C, in terms of t, res pr

azamat

Answer

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Step-by-step explanation:

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worty [1.4K]

Answer:

I got this. Use the order PEMDAS search Up if you don’t know what it means.

Step-by-step explanation:

Start with What’s inside the parentheses

(X - 3) = 3x

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The divide.

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Gene invested $400 at 4% interest compounded quarterly. How much is in the account after 1 year?

Ivenika [448]

Answer:

$416.24

Step-by-step explanation:

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