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Elodia [21]
2 years ago
5

Use the properties of 30-60-90 and 45-45-90 triangles to solve for x in each of the problems below. Then decode the secret messa

ge by matching the answer with the corresponding letter/symbol from the exercises.

Mathematics
1 answer:
Flauer [41]2 years ago
3 0

With the help of trigonometric function, the above problems have been calculated. See explanation below.

<h3>What are Trigonometric functions?</h3>

The term "trigonometric function" refers to functions that are periodic in nature and that shed light on how a right-angled triangle's angles and sides relate to one another.

The solutions to x in the respective problems is given as follows:

1) x = 5 /Sin(30°)

x = 10

!) Sin(45°) = 4/x

x = 4/sin(45°)

x = 4√2

I) Cos(45°) = √3 / x

x = √3 / Cos(45°)

x = √6

E) Tan(60°)

= (3√3) / x

x = (3√3) / 3

W) In trigonometry, every right-triangle that is isosceles in nature, the angle made by the legs and the hypotenuse will always equal 45°.

x = 45°

N) x² + x² = (7√2)²

x = 7

V) Tan(60°) = 7 / x

x = 7√3/3

K) x² + x² = (9)²

x = 9/√2

Y) Sin(60°) = 7√3/x

x = 14

M) Sin(30°) = x/11

x = 11/2

T) Sin(45°) = x/√10

x = √5

A) x + 2x + 90° = 180°

x = 30°

O) Sin(45°) = √2 / x

x = 2

R) Tan(30°) = x / 4

x = 4/√3

= 4√3 / 3

S) Sin(60°) = x / (10/3)

x = (5√3) / 3

Learn more about Trigonometric functions at:

brainly.com/question/14421002

#SPJ1

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A region is bounded by semicircular arcs constructed on the side of a square whose sides measure 2/\pi, as shown. What is the pe
Paladinen [302]

Answer:

4

Step-by-step explanation:

The perimeter of the region is equal to the sum of the perimeter of the four semicircular arc. Since the semicircular arcs have the same measure, therefore:

Perimeter of region = 4 × Perimeter of semicircular arc.

The side of the square = diameter of the semicircle = 2/π.

The radius of semicircle = diameter/2 = \frac{2/\pi}{2} =\frac{1}{\pi}

The perimeter of a semicircle = perimeter of a circle ÷ 2

Perimeter\ of \ semicircle = \frac{perimeter\ of\ circle}{2}=\frac{2\pi r}{2}=\frac{2\pi (\frac{1}{\pi} )}{2} =1\\  Perimeter\ of\ region = 4*Perimeter\ of \ semicircle=4*1=4\

4 0
3 years ago
4th grade math patterns 18250, 18500, 19000, 20000 what's the next number?
irinina [24]

22000

The number that's being added in the sequence increases by 2x.

250 * 2 = 500, which is added to 18500 to equal 19000.

500 * 2 = 1000, which is added to 19000 to equal 20000.

1000 * 2 = 2000, which added to 20000 equals 22000.

6 0
4 years ago
If one angle of a triangle is 63 and the other two are 7x degrees and 6x degrees what is X worth
Black_prince [1.1K]

Answer:

    x = 9

Step-by-step explanation:

Sum of all angles of a triangle = 180

                63 + 7x + 6x  = 180

                  63  +  13x    =180

                             13x   = 180 - 63

                              13x  = 117

                                 x  = 117/13

x = 9

6 0
2 years ago
Read 2 more answers
Donna has a checking account that charges $0.15 for each check written and
Mama L [17]

The formular which can be used to obtain the monthly charges as a function of the number of cheques written is 9.75 + 0.15x

Charges on account :

  • Charge per check written = $0.15
  • Monthly services charge = $9.75

The total amount charged monthly, F as a function of the number of cheques written, x can be expressed thus :

Monthly service charge + (charge per check × number of cheques written)

F(x) = 9.75 + 0.15x

Therefore, the charge function which can be used to calculate the total monthly charge on his account ls F(x) = 9.75 + 0.15x

Learn more : brainly.com/question/18405415

3 0
2 years ago
Find the equation of a straight line that has a perpendicular bisector of AB.
Natalija [7]

Answer:

Step-by-step explanation:

slope of line through A ,B is

m=(-2-6)/(5-2)=-8/3

slope of line perpendicular to AB Is  3/8

mid-point of AB =((2+5)/2,(6-2)/2)=(7/2,2)

eq. of reqd line is

y-2=3/8(x-7/2)

8y-16=3x-21/2

16y-32=6x-21

16y-6x=-21+32

16y-6x=11

4 0
3 years ago
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