2 years ago

Consider functions

Mathematics

1 answer:

aniked [119]2 years ago

6 0

b is the correct answer

Step-by-step explanation:

see the step in the picture

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I need help with these two trigonometry problems.

Sloan [31]

Answer:

$B \approx 32.1\°; A \approx 39.0\°$

Step-by-step explanation:

Sine theorem: in any triangle, the ratio between a side and the sine of the opposite angle is constant

$\frac{sin\ \alpha}a = \frac{sin\ \beta}b =\frac{sin\ \gamma}c$

In our case, for the left triangle,

$\frac {sin\ 103\°}{11} =\frac{sin\ B} 6 \rightarrow sin\ B = \frac6{11} sin\ 103\°$

Time to grab a calculator and crunch numbers. Double check your calculator is in degrees and not in radians (plug in sin 30°, if you're getting 0.5 you're good) and you will get

$sin\ B \approx 0.53 \rightarrow B \approx 32.1\°$

Same difference with the right triangle. With the same calculations

$sin\ A = \frac{26}{41} sin 83\° \approx 0.68 \rightarrow A \approx 39.0\°$

5 0

2 years ago

Explain why 1/6 hour + 1/3 hour =1/2 hour

Lilit [14]

Answer:

1/6+1/3

=3+6/6×3

=9/18

=1/2

Step-by-step explanation:

Hope you find this helpful!

5 0

3 years ago

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I don’t get this question

faltersainse [42]

$\text{Use pythagorean theorem}$

$a^2 + b^2 = c^2 \longrightarrow a^2 +6^2=9^2 \longrightarrow a^2 =45\longrightarrow a =6.7082\longrightarrow a = 6.71$

$\textbf{a = 6.71}$

4 0

3 years ago

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If the relative frequency of a train being late is 0.15, how often could you expect the train to be late in 100 days?

Natali [406]

Relative frequency is the number of times that the train is late between the total of journeys, so only multiply 0.15*100 =15 times

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3 years ago

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Leo bought 6 chew toys each chew toy cost 4.how much did leo spend for the chew toys

Andrew [12]

6•4=24 so he spent a total of $24

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3 years ago

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