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aleksley [76]
3 years ago
14

What is the relation between the trigonometric ratios tan(R) and tan(J)? Please answer ASAP!

Mathematics
1 answer:
Ilya [14]3 years ago
6 0

Step-by-step explanation:

∆PQR similar to ∆ JKL

JK/KL= PQ/QR

6/12=3/QR

QR=3×2= 6

therefore, tan(R) = PQ/QR = 3/6=1/2

and, tan(J) = KL/JK =12/6=2

\frac{ \tan(R) }{ \tan(J) }  =  \frac{ \frac{1}{2} }{2}

\frac{ \tan(R) }{ \tan(J) }   =  \frac{1}{4}

tan(J)=4.tan(R)

option D

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7(1 - 76) - 2b = -197
noname [10]

Answer:

b= -164

Step-by-step explanation:

calculate the difference

7x(-75)-2b= -197

multiply the numbers

-525-2b= -197

move the constant to the right- hand side and change the sign

-2b= -197+525

add

-2b=328

divide

b= -164

4 0
3 years ago
What is the value of the expression x÷y when x = 30 and y = 18?
Eduardwww [97]

Answer:

5/3 or 1.66 or 1 2/3

Step-by-step explanation:

30/18 you can simply it to the factor of 6 or use a calc

5/3 if the person asks in fraction form and if they say that it can't be an improper fraction then it is 1 2/3 or get 1.6666 in calcutor

7 0
3 years ago
How to solve 4(2x-7)-2×=-10 step by step
KATRIN_1 [288]

Answer: x=3

Step-by-step explanation:

4(2x-7)-2x=-10

Multiply 4 with 2x and -7

8x-28-2x=-10

Add like terms which are 8x and -2x

6x-28=-10

Add 28 to both sides so the -28 cancels out

6x=18

Divide both sides by 6 to isolate the x

Answer= x=3

6 0
3 years ago
What is the measure of the radius of the cone in the diagram below?
kondor19780726 [428]

Answer:

Option (2)

Step-by-step explanation:

Radius of the circular base of the cone = \frac{1}{2}(\text{Diameter of the circular base})

Given in the picture,

Diameter of the circular base = 8 cm

Height of the cone = 6 cm

Therefore, radius of the cone = \frac{8}{2}

                                                 = 4 cm

Option (2) will be the correct option.

6 0
3 years ago
7.86÷0.2 <br> I need you to answer with step by step explaination
Sloan [31]
1. Moved the decimal on both sides
2. The equation became 78.6/2
3. Divided 7/2, got 3
4. Divided 8/2, got 9
5. Put the decimal point on the preferred spot
6. Divide 6/2, got 3
7. 78.6/2 equals 39.3

4 0
3 years ago
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