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abruzzese [7]
3 years ago
6

Solve for t: d = rt What's the answer please? Need help

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
5 0
If you're solving for d your answer is d = -t,rt
If you're evaluating the problem your answer is t = d/r
If you're solving in terms of arbitrary letter d your answer is r=d/t
I hope this helps! 
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josephine is taking a college course, and her professor bases the course grade on the average of 2 tests taken in the semester.
mihalych1998 [28]

Averaging formula:

A=sum of n values / n

Substitute the variables,

c is the average,

a and b are the test scores

∴

c=\frac{a+b}{2}

rearrange for b

2c=a+b

2c-a=b

6 0
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
Rewrite the function f(x)=6(1/4)^2x using properties of exponents
Marizza181 [45]

Answer:

6(1/16)^x.

Step-by-step explanation:

(1/4)^2 = 1/16

so it could be

6(1/16)^x.

6 0
4 years ago
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How to find angles in tranversal
xeze [42]
We have some couples of angles that are equal
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4 years ago
Which of these graphs is the solution set for the equation y = -3x - 2?
Inga [223]

Answer:

there isnt a photo? :3

Step-by-step explanation:

6 0
3 years ago
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