Help with this math homework

Mathematics

2 answers:

iragen [17]3 years ago

8 0

Answer:

5. 2

6. 51

7. X

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I am Lyosha [343]3 years ago

7 0

Answer

For 5, the answer is 3

Step-by-step explanation:

Fibonacci Sequence: Start at 1

1+0=1

1+1=2

1+2=3

3+2=5

etc.

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What is the answer to this

arlik [135]

$S\frac{O}{H} C\frac{A}{H} T\frac{O}{A}$ or $Sin\frac{Opposite}{Hypotenuse}Cos\frac{Adjacent}{Hypotenuse} Tan\frac{Opposite}{Adjacent}$

At the point/angle E:

- the adjacent side(side next to the point/angle) is ED

- the opposite side(side of the triangle across from the point/angle) is DF

- the hypotenuse (the longest side of the triangle) is EF.

sin ∠E = $\frac{opposite}{hypotenuse}$

sin ∠E = $\frac{6}{10} = \frac{3}{5}$ (simplified)

5 0

3 years ago

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What’s the value of the missing angle

Arada [10]

Answer:

The answer is 120

8 0

3 years ago

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Find the value of 2cosx+1=0;0 less than x less than 360°

ohaa [14]

Answer:

120°; 240°

Step-by-step explanation:

Let's first solve for $cosx$ : $2cosx=-1 \rightarrow cosx=-\frac12$ At this point it's just a matter of drawing a circle, and mark where the angle is(please excuse my paint skills, but free hand drawing would be even worse). Red line, is $-\frac12$ on the cosines, and both the green and blue lines are valid solutions. The green line is a quarter of a circle, plus 30°, or 120°. The blue one is 3/4 of a circle, minus 30 degrees, or 240°.