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siniylev [52]
2 years ago
7

A biologist tranquilizes 400 wild elephants and measures the lengths of their tusks to determine their ages. Identify the popula

tion and the sample.
Mathematics
2 answers:
Julli [10]2 years ago
5 0
The population is all of the wild elephants.  The sample is the 400 wild elephants selected.
labwork [276]2 years ago
5 0

The population here refers to the all the wild elephants that are present in that particular geography. This refers to the whole universe of wild elephants present in the area,

The sample is the 400 elephants that the biologist tranquilized to mesaure the length of their tusks.

So, to conclude, population = all wild elephants present and sample = 400 elephants that were tranquilized

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At the beginning of the business day, a bank's vault held $575,900. By the end of the day, $(3.5 103) had been added to the vaul
Likurg_2 [28]

3.5*10^3=3,500

3,500+ 575,900=579,400

5 0
2 years ago
What is the following quotient? sqrt 6 + sqrt 11 / sqrt 5 +sqrt 3
just olya [345]

Answer:

\frac{\sqrt6 +\sqrt{11}}{\sqrt{5} + \sqrt{3}} \times \frac{\sqrt{5} - \sqrt{3}}{\sqrt{5} - \sqrt{3}} = \frac{\sqrt{30} - \sqrt{18} + \sqrt{55} - \sqrt{33}}{2}

Step-by-step explanation:

Let's translate what you've written in words to an expression with mathematical symbols.

\frac{\sqrt6 +\sqrt{11}}{\sqrt{5} + \sqrt{3}}

To solve this, you need to multiply both the numerator and denominator with the conjugate of the denominator.

\frac{\sqrt6 +\sqrt{11}}{\sqrt{5} + \sqrt{3}} \times \frac{\sqrt{5} - \sqrt{3}}{\sqrt{5} - \sqrt{3}} = \frac{\sqrt{30} - \sqrt{18} + \sqrt{55} - \sqrt{33}}{2}

5 0
2 years ago
Read 2 more answers
Felipe trabaja en una construcción ayuda a cotizar materiales entre ellos cables para diversos propósitos el arquitecto le pidió
Alekssandra [29.7K]

Answer:

a) 0.64mm

b) 7/25

Step-by-step explanation:

Felipe trabaja en una construcción ayuda a cotizar materiales entre ellos cables para diversos propósitos.El arquitecto le pidió cotizar un cable de 16/25 mm de diámetro. en los catálogos disponibles en as tiendas las medidas aparecen expresadas en números decimales como se muestra en la imagen

¿Que debe hacer felipe para saber el diámetro del cable que pidió el arquitecto?

¿que medida en forma de fracción le corresponde al cable que mide 0.28? ¿como lo determinaste? es urgenteeee GRACIAS

a) Dada la dimensión fraccionaria del cable expresada como 16/25 mm, dado que Felipe debe expresar esta fracción en decimal para obtener la medida requerida, dividiremos la expresión usando una división larga como se muestra en el anexo. Desde el archivo adjunto;

16/25 mm = 0,64 mm

b) La medida fraccionaria corresponde al cable que mide 0.28 se expresa como se muestra. Convertir 0,28 a fracción.

0.28 = 28/100 (Tenga en cuenta que dividimos por 100 porque hay dos valores decimales después del punto decimal)

Sobre la simplificación en su término más bajo

28/100 = 4 * 7/4 * 25

28/100 = 4/4 * 7/25

28/100 = 1 * 7/25

28/100 = 7/25

Por lo tanto, la medida fraccionaria que corresponde al cable que mide 0.28 es 7/25.

8 0
2 years ago
Kim only has $24 to buy pens and notebooks. Each pen costs $2. Each
aksik [14]

Answer:

There are probably more than this but here

$12 for pens would give you 6

$12 for notepads would give you 4

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

$18 for notepads would give you 6

$6 for pens would give you 3

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

$21 for for notepads would give you 7

$2 or pens would give you 1

and $1 left

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

$6 for notepads would give you  2

$18 for pens would give you 9

7 0
2 years ago
Read 2 more answers
Kayla walks 3 2/5 miles each day? wich of the following statements correctly describe how far she walks? a kayla walks 14 2/5 mi
Inessa05 [86]
We inspect each of the choices and determine which among them is the best answer by multiplying the given time frames to the speed given.
(a) (3 2/5 miles/day) x (4 days) = 13.6 miles (wrong)
(b) (3 2/5 miles/day) x (7 days) = 23 4/5 miles (correct)
(c) (3 2/5 miles/day) x (10 days) = 34 miles (correct)
(D) (3 2/5 miles/day) x (31 days) = 105.4 miles (wrong)

Thus, the answers are B and C. 
7 0
2 years ago
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