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liubo4ka [24]
4 years ago
15

What is the value of x?

Mathematics
1 answer:
iVinArrow [24]4 years ago
3 0

Answer:

6. 12

Step-by-step explanation:

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You earn $56 walking your neighbor's dog for 8 hours. your friend earns $36 painting your neighbor's fence for 4 hours.
PSYCHO15rus [73]
Your pay rate is $7 per hour.
work: divide $56 by 8
hope it helps
7 0
3 years ago
The resistance for resistors of a certain type is a random variable Xhaving the normal distribution with mean 9 ohms and standar
Y_Kistochka [10]

Answer:

P(8.6

And using the normal standard distirbution or excel we got:

P(-1

Step-by-step explanation:

Let X the random variable that represent the resistance for resistors of a population, and for this case we know the distribution for X is given by:

X \sim N(9,0.4)  

Where \mu=9 and \sigma=0.4

We are interested on this probability

P(8.6

And the z score formula is given by:

z=\frac{x-\mu}{\sigma}

Using this formula we got:

P(8.6

And using the normal standard distirbution or excel we got:

P(-1

3 0
3 years ago
Read 2 more answers
Find the approximate side length of a square game board with an area of 133in2.
svlad2 [7]
11.53256 in is the answer
8 0
2 years ago
en una piscina caben 45,000 litros. cuanto tiempo tarda en llenarse mediante un grifo que le anade 15 litros por minuto?
Elanso [62]

El volumen de un recipiente es igual al volumen de agua que puede contener el recipiente.

Por lo tanto, se necesitan <em>3000 minutos</em> o <em>50 horas</em> para que la piscina se llene de agua del grifo.

  • El volumen de agua que puede contener una piscina: 45.000 litros

  • Tasa de agua que sale de un grifo: 15 litros por minuto

  • El tiempo que tardará en llenarse la piscina se calcula como:

Cruz multiplicar

45.000 litros x 1 minuto / 15 litros

= 3000 minutos

  • También puede convertir 3000 minutos en horas

60 minutos = 1 hora

3000 minutos =?

Cruz multiplicar

3000 minutos x 1 hora / 60 minutos

= 50 horas

Por lo tanto, se necesitan 3000 minutos o 50 horas para que la piscina se llene de agua del grifo.

Para obtener más información, visite el enlace a continuación:

 brainly.com/question/17229594

4 0
2 years ago
How can you tell if three positive numbers form a<br> Pythagorean triple?
Sedaia [141]

Answer:

Since a Pythagorean triple is three positive integers a, b, and c such that (a^2)+(b^2)=(c^2), where a and b are the two legs, and c is the hypotenuse, first take the sum of the squares of the two legs and make an estimate. For example, 3, 4, and 5 is a Pythagorean triple since 9+16=25.

8 0
3 years ago
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