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Rom4ik [11]
3 years ago
5

World population is approximately upper p equals 6.4 left-parenthesis 1.0126 right-parenthesis superscript t, with upper p in bi

llions and t in years since 2004. (a) what is the yearly percent rate of growth of the world population?
Mathematics
1 answer:
FinnZ [79.3K]3 years ago
5 0
The yearly multiplier of 1.0126 = 1 + 1.26% tells you the annual growth rate is 1.26%.
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Name the number property illustrated by this equation: 4.78+(2.5+12.66)=4.78+(12.66+2.5) PLEAESE SHOW YOUR WORK OR EXPLAIN
SSSSS [86.1K]
This is the commutative property of addition

This property is the idea of adding any two numbers in any order you want. For example: 2+3 = 3+2 = 5

In this problem, we have 2.5+12.66 the same as 12.66+2.5
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4 years ago
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vova2212 [387]

Step-by-step explanation:

dy/dx

= d/dx [x / (1 - x²)]

= [(1 - x²)(1) - (x)(-2x)] / (1 - x²)²

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When dy/dx = 1, (1 + x²) / (1 - x²)² = 1.

=> 1 + x² = 1 - x²

=> 2x² = 0, x = 0.

Also when x = 0, y = (0) / [1 - (0)²] = 0.

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Answer:

Step-by-step explanation:

x-11

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El tamaño de cierto cultivo de bacterias se multiplica por 2 cada 30 minutos. Si suponemos que el cultivo tiene inicialmente 256
Oduvanchick [21]

Answer:

La población de bacterias después de tres horas es de 2^{14} bacterias.

Step-by-step explanation:

En este enunciado observamos un caso de progresión geométrica, en donde la población de bacterias se duplica cada treinta minutos, es decir:

\frac{p(n\cdot\Delta t)}{p(0)} = 2^{n} (1)

Donde:

\Delta t - Intervalo de tiempo requerido para el incremento geométrico de la población, en minutos.

n - Número de períodos para incremento geométrico, sin unidad.

Sabemos que la población inicial de bacterias es 256 y que 3 horas son 6 veces 30 minutos. Entonces, tenemos la siguiente razón:

\frac{p(6\cdot \Delta t)}{p(0)} = 2^{6} (2)

Si sabemos que p(0) = 256, entonces p(6\cdot \Delta t) es:

p(6\cdot \Delta t) = 2^{6}\cdot p(0)

p(6\cdot \Delta t) = 2^{6}\cdot (256)

p(6\cdot \Delta t) = 2^{6}\cdot 2^{8}

p(6\cdot \Delta t) = 2^{14}

La población de bacterias después de tres horas es de 2^{14} bacterias.

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Step-by-step explanation:

A list of all possible outcomes in a given event is:

Sample space

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