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4 years ago

15

utilizando la equivalencia indicada, resuelve el siguiente ejercicio: 1 pulgada = 2.54cm 4.2 cm = _____ pulgadas

1 answer:

Phoenix [80]4 years ago

4 0

<span>Los 4.2 centímetros es equivalente a 1.6 pulgadas</span>

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Find exact value of cos

mylen [45]

<h3>Answer: Choice B. $\frac{\sqrt{91}}{10}$ </h3>

Work Shown:

$\sin^2 \theta + \cos^2 \theta = 1\\\\\left(\frac{3}{10}\right)^2 + \cos^2 \theta = 1\\\\\frac{9}{100} + \cos^2 \theta = 1\\\\\cos^2 \theta = 1 - \frac{9}{100}\\\\\cos^2 \theta = \frac{100}{100}-\frac{9}{100}\\\\\cos^2 \theta = \frac{91}{100}\\\\\cos \theta = \sqrt{\frac{91}{100}} \ \text{ cosine positive in Q1}\\\\\cos \theta = \frac{\sqrt{91}}{\sqrt{100}}\\\\\cos \theta = \frac{\sqrt{91}}{10}\\\\$

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3 years ago

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Compare the rules of two games.

OverLord2011 [107]

Answer:neither A nor Game B is fair

Step-by-step explanation:

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3 years ago

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EXPERTS/ACE/TRUSTED HELPERS

weqwewe [10]

2^0 = 1

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3 years ago

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What equation represents an exponential function that passes through the point (2, 80)?

Marina86 [1]

Answer:

$f(x) = (4\sqrt{5})^{x}$

Step-by-step explanation:

The exponential function looks like the following: $f(x) = b^{x}$ .

If the function passes through the point (2, 80), then:

$f(x) = b^{x}$ → $80 = b^{2}$

Solving for 'b':

$b = \sqrt{80}$ → $b=4\sqrt{5}$

Then, the equation of exponential function that passes through the point (2, 80) is: $f(x) = (4\sqrt{5})^{x}$

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3 years ago

Find the following sum of the following expressions: 3x+5 and -4x-10

NeTakaya

Answer:

x + 5

Step-by-step explanation:

3x + 5 -4x - 10

Combine like terms.

-x -5

Divide by -1

x + 5

I hope that this helps! :)

6 0

3 years ago