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Alchen [17]
3 years ago
11

What is 20% of 680????

Mathematics
1 answer:
zhenek [66]3 years ago
8 0

Answer:

136

Step-by-step explanation:

20% * 680

Cheers! :)

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31.875 as a power of 2
Maslowich

Answer:

1016.015625 is the correct answer

Step-by-step explanation:

31.875 to the second power is the same as 31.875 squared.

Equation - 31.875 x 31.875

Solve and your answer should be 1016.015625

6 0
2 years ago
Calcula para la razón trigonométrica considerando la razón correspondiente del ángulo opuesto:Sen (-45º)
Lostsunrise [7]

Answer:

sen(-45^{o})-\frac{\sqrt{2}}{2}

Step-by-step explanation:

Para resolver este problea podemos comenzar con las identidades pares e impares, las cuales nos dicen que:

sen(-u)=-sen(u)

por lo que podemos reescribir nuestro problema como:

sen(-45°)=-sen(45°)

Luego podemos tomar los triángulos comunes (ver imagen adjunta).

y calcular la razón de seno en donde:

sen \theta = \frac{opuesto}{hipotenusa}

para obtener:

sen(-45^{o})=-\frac{1}{\sqrt{2}}

ahora podemos racionalizar la fracción para obtener:

sen(-45^{o})=-\frac{1}{\sqrt{2}}*\frac{\sqrt{2}}{\sqrt{2}}

sen(-45^{o})=-\frac{\sqrt{2}}{2}

7 0
3 years ago
Determine the equation of the Logarithmic Regression that models the data. Then use your equation to determine the amount of sun
Naya [18.7K]

Answer:

Percentage of light that penetrates at 150 m will be 0.94%.

Step-by-step explanation:

By using logarithmic regression calculator,

Equation of the regression line will be,

y = 104.5173 - 20.6711(lnx)

Where x represents the depth of the ocean

And y will represent the penetration of light

Therefore, at the depth of 150 m, penetration of the light will be,

y = 104.5173 - 20.6711[ln(150)]

  = 104.5173 - 103.5753

  = 0.9420

  ≈ 0.94 %

Therefore, percentage of light that penetrates at 150 m will be 0.94%.

7 0
3 years ago
The sum of ten and the quotient of a number x and 6
Zepler [3.9K]

I hope we need to write the algebraic expression for the given statement.

Quotient of a number x and 6 can be represent in algebraic form as \frac{x}{6}.

Now to write sum of 10 and \frac{x}{6} we need to add them.

Therefore , the sum of ten and the quotient of a number x and 6 can be written as 10 + \frac{x}{6}.

Hope this helps you!

6 0
4 years ago
- 1/3 (4+z)=-5/6<br> plz will mark as brainlest
g100num [7]

Answer: = − 3 /2

Precalculus, Matrix

Rearrange terms, Combine multiplied terms into a single fraction, distribute, Multiply all terms by the same value to eliminate fraction denominators, Multiply all terms by the same value to eliminate fraction denominators . Cancel multiplied terms that are in the denominator . Multiply the numbers . Add 4 to both sides of the equation . Simplify.

Divide both sides of the equation by the same term  . Simplify

6 0
3 years ago
Read 2 more answers
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