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3 years ago

I’ll give Brainly

Mathematics

2 answers:

Brrunno [24]3 years ago

7 0

Answer:

C 5,5, sqrt(50)

Step-by-step explanation:

so basically a^2+b^2=c^2

and 5^2+5^2 = 50 so c is sqrt of 50

Readme [11.4K]3 years ago

5 0

Answer:

the answer is all three of them because I just got it right on khan academy

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Un dispositivo de seguridad biométrico erróneamente rechaza la admisión de 1 en 1000 personas autorizadas de una instalación que

Leona [35]

Usando probabilidad condicional, se encuentra que hay una probabilidad de 0.0186 = 1.86% que la persona esta realmente autorizada para ingresar.

------------------

Probabilidad Condicional

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

En que:

P(B|A) es la probabilidad de que ocurra el evento B, dado que A sucedió.
$P(A \cap B)$ es la probabilidad de que ocurran tanto A como B.
P(A) es la probabilidad de que ocurra el evento A.

En este problema:

Evento A: Persona rechazada.
Evento B: Autorizada.

La probabilidad de una persona ser rechazada es:

$\frac{1}{1000} = 0.001$ de 95% = 0.95(autorizada).
$\frac{1 000 000 - 1}{1 000 000} = 0.999999$ de 5% = 0.05(non autorizadas).

O sea:

$P(A) = 0.001(0.95) + 0.999999(0.05) = 0.05094995
$

La probabilidad de una persona estar autorizada y ser rechazada es:

$P(A \cap B) = 0.001(0.95)$

¿Cuál es la probabilidad que la persona esta realmente autorizada para ingresar?

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

$P(B|A) = \frac{0.001(0.95)}{0.05094995}$

$P(B|A) = 0.0186$

Probabilidad de 0.0186 = 1.86% que la persona esta realmente autorizada para ingresar.

Un problema similar es dado en brainly.com/question/18734831

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3 years ago

Using a model of the prototype artillery, a ball is fired into the air with an initial upward velocity of 48 ft/s. Its height, h

Mila [183]

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3 years ago

What is the solution to the inequality?

Furkat [3]

$17 - 9 > x \\ 8 > x \\ x < 8 \\ = = c \:$

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3 years ago

2xsquared +3x-20=0 solve using quadratic formula

Ghella [55]

Answer:

$\frac{5}{2} ; -4$

Step-by-step explanation:

2x² + 3x - 20 = 0

a = 2 ; b = 3 ; c = -20

[ -b ± √(b² - 4ac) ] /2a = [-3±√(3²-4*2*-20]/2*2

= [-3±√(9+160)]/4

= [-3±√169 ]/4

= [-3± 13]/4

= $\frac{-3+13}{4} ;\frac{-3-13}{4}\\\\=\frac{10}{4} ; \frac{-16}{4}\\\\=\frac{5}{2} , -4$

6 0

4 years ago

Read 2 more answers

Find Lm=<br> Help me please thanks

Ymorist [56]

A triangle is a three-edged polygon with three vertices. The length of LM is 3√3 cms.

<h3>What is a triangle?</h3>

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angles of a triangle is always equal to 180°.

The triangle formed by MN, MO, and NO is an equilateral triangle, with the length of each side of the triangle equal to the radius of the triangle. Therefore, the length of MN will be,

MN = r

Now, the length of arc MN can be written as,

2 × π × r × (60° /360°) = π

r = 360 / (60 × 2)

r = 3 cms

Further, the radius of the circle can be written as,

LO = ON = OM = MN = Radius = 3 cms

Since, the triangle formed in a semicircle is a right-angle triangle, therefore, using the Pythagorean theorem we can write,

LM² + MN² = LN²

LM² + MN² = (LO + ON)²

LM² + r² = (r+r)²

LM² + r² = 4r²

LM² = 3r²

LM² = 3(3²)

LM = √27 cms

LM = 3√3 cms

Hence, the length of LM is 3√3 cms.

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brainly.com/question/2773823

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4 0

2 years ago