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kifflom [539]
2 years ago
5

Could someone help out maybe? help would be appreciated!

Mathematics
1 answer:
svetlana [45]2 years ago
4 0

Answer:

i think b

Step-by-step explanation:

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Please help.. (This is meant to be infinite, so I can't use a calculator)
Alex17521 [72]

Answer:

5

Step-by-step explanation:

→ Let x = √20 + √20 .....

x

→ Square both sides

x² = 20 + √20 +√20 + √20

→ Replace √20 +√20 + √20 with x

x² = 20 + x

→ Move everything to the left hand side

x² - 20 - x = 0

→ Factorise

( x + 4 ) ( x - 5 )

→ Solve

x = -4 , 5

→ Discard negative result

x = 5

7 0
2 years ago
Read 2 more answers
Resuelve las siguientes ecuaciones: -x^2 - x =0 -X^2 + 12x = 0 3X^2 - 9x = 0 X^2 - 2x - 3 = 0
vaieri [72.5K]

Responder:

<em>a) 1 </em>

<em>b) 12 </em>

<em>c) 3 </em>

<em>d) -1 y 3 </em>

Explicación paso a paso:

Dadas las siguientes ecuaciones;

a) x²-x =0

x² = 0+x

x² = x

x = 1

b) -x²+12x = 0

-x² = -12x

x² = 12x

x = 12

c) 3x² - 9x = 0

Suma 9x a ambos lados

3x²-9x+9x = 0+9x

3x² = 9x

3x = 9

x = 9/3

x = 3

d) x²-2x-3 = 0

x²-3x+x-3 = 0

x(x-3)+1(x-3) = 0

(x+1)(x-3) = 0

x+1 = 0 y x-3 = 0

x = -1 y 3

4 0
2 years ago
Convert 1.51 to a fraction
SpyIntel [72]
It would be 151/100 it ant be symplified anymore so
5 0
3 years ago
Read 2 more answers
Divide the following problem: <br><br><br><br> 5 ÷9/10
Vladimir79 [104]

Answer:

5 5/9

Step-by-step explanation:

Hope this helps

8 0
3 years ago
10 points
natulia [17]
The answer would be B
4 0
3 years ago
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