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Sergio039 [100]
3 years ago
10

The volume inside a rectangular storage room is 2,070 cubic feet. The room is 3 feet high. Find the area of the floor.

Mathematics
1 answer:
iren [92.7K]3 years ago
6 0

Answer:

690 square ft

Step-by-step explanation:

2,070 cubic ft ÷ 3 ft = 690 ft squared

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Given: AB = DC, AC = DB
oee [108]

Answer:

SSS Postulate

Step-by-step explanation:

AB=CD (Given)

AC=BD (Given)

BC=BC (Given)

So SSS Postulate

Side Side Side postulate

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2 years ago
solo el 20% de los empleados de la población civil que está en una base militar restringida porta su identificación personal. Si
prisoha [69]

Usando la distribución binomial, hay una probabilidad de 0.8926 = 89.26% de que el guardia de seguridad encuentre al menos uno en la base militar restringida.

<h3>¿Qué es la distribución binomial?</h3>

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

Los parámetros son:

  • n es el número de ensayos.
  • p es la probabilidad de éxito en un ensayo
  • x es el número de éxitos

En este problema, hay que:

  • 20% de los empleados de la población civil que está en una base militar restringida porta su identificación personal, o sea p = 0.2.
  • Llegan 10 empleados, o sea, n = 10.

La probabilidad de que el guardia de seguridad encuentre al menos uno en la base militar restringida es dada por:

P(X \geq 1) = 1 - P(X = 0)

En que:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{10,0}.(0.2)^{0}.(0.8)^{10} = 0.1074

Por eso:

P(X \geq 1) = 1 - P(X = 0) = 1 - 0.1074 = 0.8926

Hay una probabilidad de 0.8926 = 89.26% de que el guardia de seguridad encuentre al menos uno en la base militar restringida.

Puede-se aprender más a cerca de la distribución binomial en brainly.com/question/25132113

3 0
3 years ago
A line has a rise of 3 and a run of 12. What is the slope?<br><br> 1/3<br> 1/4<br> 4
AnnyKZ [126]
Slope = rise/run
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answer is
<span>1/4</span>
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Hello!

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Let's plug our r value into the second equation and solve for g.

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Now we subtract 8 from both sides.

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I hope this helps!

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