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3 years ago

10

si 8 litros de agua contiene 250 gramos de cal ¿que cantidad de agua le debemos agregar para que en cada lito exista 20 gramos d

e cal?

1 answer:

Triss [41]3 years ago

4 0

Aqui te mando la solucion para la problema, abre el foto.

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HELP PLEASE!! ASAP!!

densk [106]

Answer:

The estimated distance is 8.1cm.

The actual distance is 8.106cm.

Step-by-step explanation:

Given that the Pythogorean Theorem, c² = a² + b². Then substitute the following values into the formula :

${c}^{2} = {a}^{2} + {b}^{2}$

Let a = 5.1cm,

Let b = 6.3cm,

${c}^{2} = {5.1}^{2} + {6.3}^{2}$

${c}^{2} = 26.01 + 39.69$

${c}^{2} = 65.7$

$c = \sqrt{65.7}$

$c = 8.106cm \: (3d.p)$

4 0

3 years ago

3n *power 2 +10n+7 how to factories and pls tell with solution

tankabanditka [31]

Answer:

(n + 1)(3n + 7)

Step-by-step explanation:

3n² + 10n + 7

Consider the factors of the product of the n² term and the constant term which sum to give the coefficient of the n- term.

product = 3 × 7 = 21 and sum = + 10

The factors are + 3 and + 7

Use these factors to split the n- term

3n² + 3n + 7n + 7 ( factor the first/second and third/fourth terms )

3n(n + 1) + 7(n + 1) ← factor out (n + 1) from each term

= (n + 1)(3n + 7) ← in factored form

5 0

3 years ago

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Please help with this question

myrzilka [38]

13-9 = 4
4-4 = 0
0 divided by 2 = 0
2x = 0
x = 0

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3 years ago

Question 6 of 10

Vaselesa [24]

It’s c sorry if i’m wrong!

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2 years ago

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Pls help its due today if it's correct I'll make you Brainliest!!!!

oee [108]

Answer:

b or c

Step-by-step explanation:

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3 years ago

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