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3 years ago

What is the answer to thus question

Mathematics

2 answers:

balu736 [363]3 years ago

8 0

The answer is B (25 m/s)

soldier1979 [14.2K]3 years ago

6 0

The answer is b hope that helped

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Given sin(−θ)=−1/6 and tanθ=−√35/35 What is the value of cosθ?

murzikaleks [220]

Answer:

$cos(\theta)=-\frac{\sqrt{35} }{6}$

Step-by-step explanation:

Recall the negative angle identity for the sine function:

$sin(- \theta)=-sin(\theta)$

Then, we can find the value of $sin(\theta)$ :

$sin(\theta)=-sin(-\theta)\\sin(\theta) =-(-\frac{1}{6} )\\sin(\theta)= \frac{1}{6}$

Now recall the definition of the tangent function:

$tan(\theta)=\frac{sin(\theta)}{cos(\theta)}$

Therefore, now that we know the value of $sin(\theta)$ , we can solve in this equation for $cos(\theta)$

$tan(\theta)=\frac{sin(\theta)}{cos(\theta)}\\-\frac{\sqrt{35} }{35} =\frac{1/6}{cos(\theta)} \\cos(\theta)=-\frac{\frac{1}{6} }{\frac{\sqrt{35} }{35} } \\cos(\theta)=-\frac{35}{6\,\sqrt{35} } \\cos(\theta)=-\frac{\sqrt{35} }{6}$

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3 years ago

Estimate the sum.<br> 68.4 + 50.2 = ?<br> Use rounding to estimate the sum.<br><br>

Alex73 [517]

Answer:

118.6 or 119

Step-by-step explanation:

you just add and round up

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3 years ago

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Yes the the density of water would change if the tank was only half full because the volume would be less as opposed to it being full

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3 years ago

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Alenkinab [10]

Step-by-step explanation:

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3 years ago

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When rolling a single number cube, what are the odds, in simplest form, in favor of rolling a 4 or a 5?

nevsk [136]

Answer:

Step-by-step explanation:

You have a total of 6 outcomes (1,2,3,4,5,6). That is your numerator. Out of those numbers, you only want 2 of them (4 or 5), so the fractions would be 2/6 or 1/3 which can also be written 1:3

7 0

2 years ago

What is the answer to thus question​

What is the answer to thus question