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Ulleksa [173]
3 years ago
6

Find the length of the third side. If necessary, write in simplest radical form. 472 9

Mathematics
1 answer:
Marat540 [252]3 years ago
4 0

Answer:

7

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

let the third side be x , then

x² + (4\sqrt{2} )² = 9²

x² + 32 = 81 ( subtract 32 from both sides )

x² = 49 ( take the square root of both sides )

x = \sqrt{49} = 7

Then the third side is 7

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Help me plz and show work <3
icang [17]

Answer:

y = (5-2x)/7 = 5/7 - 2x/7. option C

Step-by-step explanation:

here's your solution

=> 7y + 2x = 5

=> 7y = 5 - 2x

=> y = (5-2x)/7

\huge\mathfrak\red{hope \: it \: helps...}

4 0
3 years ago
Show your work please help me with my homework thank you
AVprozaik [17]
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3 years ago
(13p5 + 6p - 12p2) - (-9p - p2 - 13p5)
anastassius [24]

Answer:

Step-by-step explanation:

13p⁵ + 6p - 12p² -(-9p - p² - 13p⁵) = 13p⁵ + 6p - 12p² + 9p + p² + 13p⁵

{Distribute  (-1) to the second expression}

= <u>13p⁵ + 13p⁵</u>    <u>-12p² + p²</u>     <u>+ 6p + 9p</u>

{Combine like terms}

= 26p⁵ - 11p² + 15p

7 0
3 years ago
Expand the expression: 2.2(-4k + 1)
evablogger [386]

Answer:

8.8k + 2.2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Help me will mark as brainliest can someone give me the answer of both or atleast one​
slamgirl [31]

Answer:

8. the length is 88/5cm or 17.6cm

Step-by-step explanation:

8.perimeter =2L + 2W

when you convert the width 42/5 = 8.4

so 52 = 2L + 2*8.4

52= 2L + 16.8

52 - 16.8 = 2L

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divide both sides by 2

L = 17.6cm

4 0
3 years ago
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