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2 years ago

6

Plz solve thesessss plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

2 answers:

shepuryov [24]2 years ago

5 0

Answer:

5.) b = -2/5 (or -0.4 in decimal form)

6.) 20.5

Tju [1.3M]2 years ago

3 0

This answer for 6 is 20.5

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7 0

3 years ago

the cosine of an angle is the ratio of the length of the leg_______that angle to the length of the _________.?help please

krok68 [10]

Answer:

The cosine of an angle is the ratio of the length of the leg adjacent to the angle to the length of the hypotenuse.

Step-by-step explanation:

In a right angled triangle, the cosine of an angle is the length of the adjacent side divided by the length of the hypotenuse.
Also it is the sine of the complementary angle.
The abbreviation is cos
The longest side of the triangle is called the hypotenuse,
The side opposite the angle theta is called the opposite side,
The third side is called the adjacent side.
Therefore, $cos(\theta) = \frac{adjacent}{ hypotenuse}$

6 0

2 years ago

Solve for x. Round your answer to 2 decimal places.

Gala2k [10]

Answer:

93.99

Step-by-step explanation:

sin rule is:

sin A ÷ a = sin B ÷ b = sin C ÷ c

A B C are angles

a b c are the lengths opposite to each angle

to find angle opposite to x:

180- (90+57) = 33°

180: sum of angles in a traingle

90: since its a right angle traingle

to find x:

sin 57 ÷ 41 = sin 33 ÷ x

rearrange:

x= (sin 33 x 41) ÷ sin 57

x= 93.99 (2 d.p/2 decimal places)

8 0

3 years ago

What is the ratio 9:189 in lowest terms?

uranmaximum [27]

1:21 divide both digits by 9

5 0

3 years ago

What is the frequency of the graph of y = 1/3 sin(2x)?

vovangra [49]

Given:

The sine function is:

$y=\dfrac{1}{3}\sin (2x)$

To find:

The frequency of the graph of given function.

Solution:

If a sine function is defined as:

$y=A\sin(Bx+C)+D$

Then, the frequency of the sine function is:

$f=\dfrac{B}{2\pi}$

We have,

$y=\dfrac{1}{3}\sin (2x)$

Here, $B=2$ . So, the frequency of the given function is:

$f=\dfrac{2}{2\pi}$

$f=\dfrac{1}{\pi}$

Therefore, the correct option is D.

3 0

2 years ago