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zvonat [6]
3 years ago
14

hola soy nuevo, y quisiera saber como funciona brainly.com, porque yo siempre e utilizado brainly.lat, pero me e cambiado para e

ste.
Mathematics
1 answer:
Kay [80]3 years ago
3 0

Answer/Step-by-step explanation:

Hola amigo. Mucho gusto. En Brainly.com puede responder a sus preguntas y obtener explicaciones exhaustivas. Esto le permite aprender de forma más inteligente.

Y... yo hablo pequeno español.

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1000^8=10x<br> What does x equal?
finlep [7]

Answer:

x=100000000000000000000000

Step-by-step explanation:

6 0
2 years ago
$1876 per month for 12 months<br> A) $22,512<br> B) $225.12<br> c) $1888<br> D) None of these
insens350 [35]

Answer:

The answer is A

Step-by-step explanation:

We need to multiply 1876 by 12. 1876 * 12 = 22, 512. That's our answer

5 0
3 years ago
2. A pharmaceutical company scientist is testing whether the mean level of a toxin in a newly created children’s medicine is les
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8 0
2 years ago
The average of four numbers is 38, and the average of the first two numbers is 42, and the average of the last three numbers is
diamong [38]

Answer:

40

Step-by-step explanation:

let the numbers be a+b+c+d.

the average of 4 numbers is 38

; (a+b+c+d)/4 = 38

(a+b+c+d) = 152 ......equ1

the average of the first two numbers is 42

; (a+b)/2 = 42

(a+b) = 84 ...... equ2

the average of the last three numbers is 36

; (b+c+d)/3 = 36

(b+c+d) = 108 .....equ3

substitute equ3 into equ1

a + 108 = 152

a= 152 - 108

a = 44

input the value of a into equ2

44 + b = 84

b = 40

the second number is 40.

I hope this helps.

3 0
4 years ago
Please answer it fast. :)​
zhuklara [117]

~~~\dfrac{2\sqrt 2 + \sqrt 7}{2\sqrt 2 -\sqrt 7} + \dfrac{2\sqrt 2-\sqrt 7 }{2\sqrt 2+\sqrt 7}\\\\\\=\dfrac{\sqrt 8 + \sqrt 7}{\sqrt 8 -\sqrt 7} + \dfrac{\sqrt 8-\sqrt 7 }{\sqrt 8+\sqrt 7}\\\\\\=\dfrac{\left(\sqrt 8 +\sqrt 7\right)^2+\left(\sqrt 8 -\sqrt 7\right)^2 }{\left(\sqrt 8 -\sqrt 7\right)\left(\sqrt 8 +\sqrt 7\right)}\\\\\\

=\dfrac{\left(\sqrt 8+ \sqrt 7 + \sqrt 8 - \sqrt 7 \right)^2 - 2 \left(\sqrt 8 +\sqrt 7\right)\left(\sqrt 8 -\sqrt 7\right)}{\left(\sqrt 8 \right)^2 - \left(\sqrt 7 \right)^2}\\\\\\=\dfrac{\left(2\sqrt 8 \right)^2 - 2(8-7)}{8-7}\\\\\\=\dfrac{4 \cdot 8 -2\cdot 1}{1}\\\\\\=32 -2 \\\\\\=30

6 0
2 years ago
Read 2 more answers
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