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3 years ago

6

A swimming pool with 1100

2 answers:

elixir [45]3 years ago

5 0

Answer:

y = 50x - 1100

Step-by-step explanation:

MaRussiya [10]3 years ago

4 0

Answer:

I got 7.313 for x

Step-by-step explanation:

1100=150x+3

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The equation x2 − 9 = 0 has real solution(s).

tatiyna

Answer:

The roots are real and unequal (3, -3)

Step-by-step explanation:

x²-9=0

ax²+bx+c=0

Comparing we get,

a= 1

b= 0

c = -9

Determinant: b²-4ac

= 0² - 4(1)(-9)

= 36>0

D > 0

Therefore, the equation has real and unequal roots.

Algebraic identity:

x² - a² = (x-a)(x+a)

Using this identity

x²-9 = (x+3)(x-3)

Roots are 3 and -3 which are real and not equal to each other

Hope this answer helps you ..

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3 years ago

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What is 5 to the power of 3

trapecia [35]

5³ is 5x5x5 so that is 125

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2 years ago

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What does 3.0000÷16 equal

Bas_tet [7]

Answer:

Step-by-step explanation:

=3/16

Using Calculator

=0.1876

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3 years ago

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What's the product of 70x6000

MA_775_DIABLO [31]

The product of 70 and 6000 is 420,000.

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3 years ago

Remove all perfect squares from inside the square root. √20 = urgent need help now first actual answer gets the thingy

xz_007 [3.2K]

Answer:

$2\sqrt{5}$

Step-by-step explanation:

$\sqrt{20}$

20 can be written as a product of 4 and 5.

$\sqrt{4 \times 5}$

4 is a perfect square.

$\sqrt{4} \times \sqrt{5}$

Square root of 4 is 2.

$2 \times \sqrt{5}$

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2 years ago

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