3 years ago

Plz help need now no links

Mathematics

1 answer:

vredina [299]3 years ago

3 0

Answer:

help with what ? sorry , nothing is thereb

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-7 2/3 +(-5 I/2) + 8 3/4=

Monica [59]

Answer:-53/12

Step-by-step explanation:

-7 2/3+(-5 1/2)+8 3/4

-7 2/3-5 1/2+8 3/4

-23/3 - 11/2 + 35/4

(4x-23 - 6x11 + 3x35)/12

(-92-66+105)/12=-53/12

4 0

3 years ago

Simplify square root of 5 open parentheses 8 plus 3 square root of 6 close parentheses.

frozen [14]

$\sqrt{5} (8+3 \sqrt{6} )\\ 8 \sqrt{5} +3 \sqrt{6} \sqrt{5} \\ 8 \sqrt{5} +3 \sqrt{30}$
As far as I can tell, that is as far as the expression can be simplified :)

4 0

3 years ago

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Does anyone know this?

alexdok [17]

Answer:

The ? is 4x * (-2x) = -8x².

7 0

3 years ago

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9. What is the longest flagpole (in whole feet) that could be

PIT_PIT [208]

Answer:

Pythagoras question. Because the question's really just asking you, what is the length of the hypotenuse of a triangle with adjacent and opposite sides of 2 and 12

so a^2+b^2=c^2

4 + 144=148

The square root of 148=12.165

round it down to 12 :)

Step-by-step explanation:

3 0

3 years ago

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Pls help me, Me and my mom have been doing this for like 3 hours

Elena-2011 [213]

Answer:

9: -9

10: 18

11: 40

12: -4.5

1st number:-9

2nd number: -180

3rd number: -9

Step-by-step explanation:

I did it on paper but typed it on this stuff so you can understand it

PLEASE GIVE ME BRAINLIEST AND THANK YOU FOR THIS CHALLENGE VERY EASY TO DO.

3 0

3 years ago

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