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3 years ago

The distance around a meter is 9619 ft. find the diameter of the crater .use 22/7 for pie

1 answer:

7 0

The circumference of a circle is found with the equation

C = 2 pi * r

Since we have the circumference we can find the radius. Then once we have the radius we can determine the diameter.

9619 = 2 (22/7) r
multiply each side by 7

67333 = 2*22*r
67333 = 44r

divide each side by 44
r = 67333/44 = 1530.295 rounded to the nearest hundredth = 1530.30

The diameter is 2 x the radius, so

1530.30 x 2 = 3060.6 ft

The diameter of the crater is 3060.6 ft

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A biologist took a count of the number of fish in a particular lake, and recounted the lake’s population of fish on each of the

patriot [66]

The two equations for which the given number of fist is satisfied when x = 8 is plugged in are:
P(x) = 13x^2 – 10x + 350
and
P(x) = 18x^2 + 10x + 300

Now, we can only decide which is correct if we have additional information, specifically if we know the number of fish initially. If it is 350, option B is correct and if it is 300 then option D is correct.

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2 years ago

Indica si cada afirmación es verdadero (v) o falso (f) .

Ksivusya [100]

A es falso porque podría dividirse por negativo.

B es verdadero porque el divisor siempre entrará en el dividendo.

C es falso porque cambiar el orden dará lugar a respuestas diferentes.

D es falso porque la propiedad asociativa no se aplica a la división.

E es falso porque no es "solo suficiente", aún necesita asegurarse de que el dividendo sea un número entero y el divisor sea un factor del dividendo.

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3 years ago

In the year 2054 the government estimates that out of every 1,000,100 citizens 1,000,000 will remain law-abiding, and 100 will e

Olenka [21]

Answer:

0.9091 = 90.91% probability that a person flagged as a future criminal by the Precogs will actually commit a crime

Step-by-step explanation:

Bayes Theorem:

Two events, A and B.

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

In which P(B|A) is the probability of B happening when A has happened and P(A|B) is the probability of A happening when B has happened.

In this question:

Event A: Flagged as future criminal

Event B: Commits a crime.

In the year 2054 the government estimates that out of every 1,000,100 citizens 1,000,000 will remain law-abiding, and 100 will eventually commit a crime.

This means that $P(B) = \frac{100}{1000100} = 0.00009999$

If a person is going to commit a crime, the Precogs identify that person correctly 99.999% of the time

This means that $P(A|B) = 0.99999$

Probability of being identified as a criminal:

0.99999 out of 0.00009999(identified and commits crime).

(1-0.99999) out of (1-0.00009999) (identifed and does not commits crime). So

$P(A) = 0.99999*0.00009999 + (1-0.99999)*(1-0.00009999) = 0.000109988$

What is the probability that a person flagged as a future criminal by the Precogs will actually commit a crime

$P(B|A) = \frac{P(B)*P(A|B)}{P(A)} = \frac{0.00009999*0.99999}{0.000109988} = 0.9091$

0.9091 = 90.91% probability that a person flagged as a future criminal by the Precogs will actually commit a crime

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3 years ago

Complete these ordered pairs for this equation. (0, ), (-1,), (1, ) y=2x+1 Help

N76 [4]

Answer:

(0, 1)

(-1, -1)

(1,3)

Step-by-step explanation:

Given the function;

y = 2x + 1

when x = 0

y = 2(0)+1

y = 1

Hence the required pair is (0, 1)

when x = -1

y = 2(-1) + 1

y = -2 + 1

y = -1

Hence the coordinate is (-1, -1)

when x = 1

y = 2(1) + 1

y = 2 + 1

y =3

Hence the coordinate is (1, 3)

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2 years ago

PLEASE EASY HELP*****

frez [133]

Answer:

Step-by-step explanation:

Multiply through by x+5

2(x + 1) = x + 5 - 1 Combine like terms

2x + 2 = x + 4 Subtract 2 from both sides.

2x = x + 4 - 2

2x = x + 2 Subtract x from both sides.

2x - x = 2 Combine

x = 2

6 0

3 years ago

Read 2 more answers