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lilavasa [31]
2 years ago
6

For which angles 0, is sin (0) negative? Select all that apply

Mathematics
1 answer:
musickatia [10]2 years ago
6 0

Answer:

In the 3rd and 4th quadrants of the coordinate system

ie π < θ < 2π. At π and 2π the sine values are zero

Step-by-step explanation:

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Un chip tiene un espesor de 0,12 mm y un atomo de cobre mide 0,00000000133 m.¿cuantos atomos se necesita para alinearlos en el e
aleksandr82 [10.1K]

Answer:

El espesor de un chip es de 0.12mm

Y el diámetro de un átomo de cobre, mide aprox:

0.00000000133 m

Queremos saber cuantos átomos deberemos alinear de tal forma que la "cadena" de átomos de cobre mida 0.12mm

Eso es equivalente a ver cuantas veces entra 0.00000000133 m en 0.12mm

Primero, escribamos ambos valores en las mismas unidades, sabiendo que:

1m = 1000mm

Podemos reescribir:

0.00000000133m = 0.00000000133*(1000 mm) = 0.00000133mm

Entonces tenemos que ver cuantas veces entra 0.00000133mm en 0.12mm

Esto sera igual al cociente entre 0.12mm y  0.00000133mm, esto es:

N = (0.12mm)/(0.00000133mm) = 90,225.6

Redondeamos al próximo número entero:

N = 90,226

Esa es la cantidad de átomos que se necesitan.

7 0
3 years ago
PLEASSSEEE HELLPPP
Sidana [21]

Answer:

D: 14q + 21√qr

Step-by-step explanation:

We want to find the product of;

(2√q + 3√r) and 7√q.

Where p and q are integers.

Using distributive property, we have;

(2√q × 7√q) + (3√r × 7√q)

>> 14q + 21√qr

Correct option is D

3 0
2 years ago
Find the amount received by Mr Kumar to paint two walls of the bridge if cost per m^2 is Rs 30.
statuscvo [17]

Step-by-step explanation:

jcid Beirut tomó yo LG glo LG CL LG fol IT go pig tí ca ar TX sw RD tres sere rex fre ga Will fre Khedira del LED el la dm

8 0
3 years ago
What is the length of the hypotenuse of the right triangle?
Julli [10]

Answer:

10

Step-by-step explanation:

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6 0
3 years ago
Sample annual salaries (in thousands of dollars) for public elementary school teachers are listed. Find the sample standard devi
faust18 [17]

Answer:

The standard deviation is 9.34

Step-by-step explanation:

First we need to find mean of the sample:

m=(23.9+15.3+40.2+30.3+12+22.8)/6=24.08

Standard deviation will be like below:

d=\sqrt{(x-m^2)/6}=9.34

7 0
3 years ago
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