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Andreas93 [3]
3 years ago
12

Here is the next one:)

Mathematics
2 answers:
butalik [34]3 years ago
8 0

Answer:

O Sin (53) = 21/29

O Sin (37) = 20/29

Step-by-step explanation:

In a triangle, the sine is opposite over hypotenuse, the cosine is adjacent over hypotenuse, and the tangent is opposite over adjacent.

slega [8]3 years ago
4 0

Answer:

Options 1, 2 and 4 are correct

Step-by-step explanation:

We should determine few things;

Sine = \frac{opposite}{hypotenuse}

Cosine = \frac{Adjacent}{Hypotenuse}

Tangent = \frac{Opposite}{Adjacent}

The values of Opposite and Adjacent vary by the angle given, however Hypotenuse always remains the same, the length opposite to the right angle is hypotenuse.

Now we can say that;

Sin (53) = \frac{opposite}{hypotenuse} = \frac{21}{29}

Sin (37) =  \frac{opposite}{hypotenuse} =\frac{20}{29}

Tan (53) would be \frac{Opposite}{Adjacent} =\frac{21}{20}, not  \frac{20}{21}

Cos (37) = \frac{Adjacent}{Hypotenuse} = \frac{21}{29}

Hope this helps!

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6C + 47M=893.50<br> 25C + 22M=527.86
Olenka [21]

Answer:

C = 4.94   M = 18.38

Step-by-step explanation:

the easiest way is to graph both equaitons and see where they intersect,

see the image

or solve by substitution

6C + 47M=893.50           C = (893.50 - 47M)/6

25C + 22M=527.86

25((893.50 - 47M)/6)  + 22M = 527.86

25/6 [(893.50) - 47M] + 22M = 527.86

25/6 [ - 47M] + 22M = 527.86 - 25/6 [(893.50)

22M - 25(47M)/6  = -3195.06

22M - 195.83M  = -3195.06

      -173.83M   =   -3195.06

                 M  =  18.38

C = (893.50 - 47(18.38)/6

C = 4.94

6 0
3 years ago
Which graph represents a function?
s344n2d4d5 [400]

Answer:

the third one (bottom left)

Step-by-step explanation:

all the others have at least one x value with multiple possible y values.

but for a function, there must be exactly 1 y value for each defined x value.

3 0
3 years ago
Angle M and Angle N are vertical angles. The measure of Angle M is 3x – 18. The measure of Angle N is x + 30.
torisob [31]

Answer:

24 = x

54° = Measure\:of\:Angle\:N

54° = Measure\:of\:Angle\:M

Step-by-step explanation:

Vertical Angles are congruent, so set the two expressions equal to each other:

[x + 30]° = [3x - 18]°

-[3x]° - [3x]°

___________

−18° = 30° - [2x]°

- 30° - 30°

____________

−48° = [−2x]°

____ ___

−2° −2°

24° = x [Plug this back into both expressions to get both <em>m</em>∠<em>N</em> and <em>m</em>∠<em>M</em> at 54°.]

I am joyous to assist you anytime.

5 0
3 years ago
What is 525/1000 in simplest form?
KiRa [710]
525/1000 = 105/200 = 21/40
8 0
3 years ago
Which of the following inverse functions are defined for x=-1/2? Select all that apply.
Aleksandr-060686 [28]

Answer:

A, B, E, and F  

Step-by-step explanation:

sinx and cosx are defined for all values of x. So, sin⁻¹x and cos⁻¹x  are also defined for all values of x.  

A and E are correct.

tanx is defined for all values of x.

However, tan(nπ) = 0 at when n is an integer. So, tan⁻¹(±nx) is undefined. However, tan⁻¹(-½x) is defined, because -½ is not an integer.

B and F are correct.

C and D are <em>wrong</em>. Both sec⁻¹x  and csc⁻¹x are undefined when -1 < x < 1, and -½ is in this forbidden region.

4 0
3 years ago
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