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Julli [10]
2 years ago
9

Answer number 1 please.​

Mathematics
2 answers:
vesna_86 [32]2 years ago
8 0

\bold{\huge{\pink{\underline{ Solution }}}}

\bold{\underline{ Given :-}}

  • <u>We </u><u>have </u><u>a </u><u>right </u><u>angled </u><u>triangle </u><u>whose </u><u>two </u><u>sides </u><u>that </u><u>is </u><u>perpendicular </u><u>and </u><u>hypotenuse </u><u>are </u><u>5</u><u> </u><u>units </u><u>and </u><u>1</u><u>2</u><u> </u><u>units </u>

\bold{\underline{ Let's\: Begin:-}}

<h3><u>According </u><u>to </u><u>the </u><u>Pythagoras </u><u>theorem</u><u>, </u></h3>

  • Pythagoras theorem states that the sum of squares of two small sides that is perpendicular height and base are equal to the square of longest side that is hypotenuse

<u>That </u><u>is</u><u>, </u>

\sf{\red{ ( Base)² + ( Perpendicular )² = ( Hypotenuse)²}}

\sf{ ( a )² + ( b )² = ( c )²}

<u>Subsitute </u><u>the </u><u>required </u><u>values</u><u>, </u>

\sf{ ( a )² + ( 5  )² = ( 13)²}

\sf{ a²  + 25 = 169}

\sf{ a² = 169 - 25 }

\sf{ a² = 144}

\sf{  a  = √144}

\sf{ a  = 12}

\sf{\blue{ Hence,\: Length \:of \:a\: is \:12 units }}

Minchanka [31]2 years ago
6 0

\sf {a}^{2}  =  {13}^{2}  -  {5}^{2}

Formula :

Base²= Hypotenuse² - Perpendicular ²

\\  \\

\hookrightarrow\sf {a}^{2}  =  {13}^{2}  -  {5}^{2}

\\  \\

\hookrightarrow\sf {a}^{2}  =169 - 25

\\  \\

\hookrightarrow\sf {a}^{2}  =144

\\  \\

\hookrightarrow\sf {a} = \sqrt{144}

\\  \\

\hookrightarrow\sf {a} = \sqrt{12 \times 12}

\\  \\

\hookrightarrow\sf {a} = 12

Remember the a² in formula has nothing to do with the a we have to find. :)

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What is a35 for the arithmetic sequence presented in the table below?
Kryger [21]

Answer: choice B) a35 = -118

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

Explanation:

When n = 5, an = 32 as shown in the first column of the table. This means the fifth term is 32. Plug in those values to get

an = a1+d(n-1)

32 = a1+d(5-1)

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We'll plug this in later

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Now substitute in the equation in which we solved for a1

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5d = -25

d = -25/5

d = -5

This tells us that we subtract 5 from each term to get the next term.

Use this d value to find a1

a1 = 32-4d

a1 = 32-4*(-5)

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The first term is 52

--------------

The nth term formula is therefore

an = 52 + (-5)(n-1)

which simplifies to

an = -5n + 57

To check this result, plug in n = 5 to find that a5 = 32. Similarly, you'll find that a10 = 7 after plugging in n = 10. I'll let you do these checks.

--------------

Replace n with 35 to find the 35th term

an = -5n + 57

a35 = -5(35) + 57

a35 = -175 + 57

a35 = -118

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