1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Stolb23 [73]
2 years ago
6

Sin 30°-cos 30°÷ sin 60°​

Mathematics
1 answer:
Vilka [71]2 years ago
6 0

Answer:

-1/2

Step-by-step explanation:

sin(30 degrees) = sin (pi/6) = 1/2

cos(30 degrees) = cos (pi/6) = [sqrt(3)]/2]

sin (60 degrees) = sin(pi/3) = [sqrt(3)]/2]

1/2 - [sqrt(3)/2] / [sqrt(3)/2] = -1/2

You might be interested in
The probability that a fair coin tossed 10 times will land heads up on all ten tosses is 1 out of ____.
kirill115 [55]

Answer:

10

Step-by-step explanation:

because tossed 10 times so it would be 1 out of 10

6 0
3 years ago
Read 2 more answers
Julie multiplies 6.27 by 7 and claims the product is 438.9. Explain without multiplying how you know Julie’s answer is not corre
vekshin1
This is because 7 x 6 is only 42 therefore julies answer is way too far off.

the real answer is 43.89

hope this helps you
4 0
3 years ago
Find the value of x: 7x + 15 = 38
borishaifa [10]

Answer:

23/7

Step-by-step explanation:

7x + 15 = 38

subtract 15 from both sides : 7x+15-15=38-15

7x=23

divide both sides by 7:  7x/7 = 23/7

x=23/7

7 0
3 years ago
How many minutes does it take Devon to travel 10 miles at 40 miles per hour?
Zolol [24]
It would be 15 minutes. 

10/40 is 1/4, and 1/4 of an hour would be 15 minutes. 

There ya go :) 
7 0
3 years ago
The vocabulary not understand this
Alja [10]
1. square root

2. irrational number

3. positive
8 0
4 years ago
Other questions:
  • Jennifer spent $150 at a craft fair to rent a booth. she sells knit blankets for $25 each
    8·1 answer
  • Find the loans future value p=$2000, r=6%, t= 3 years
    8·1 answer
  • X-1/3=6 what is this as an improper fraction
    11·2 answers
  • 2. A rectangular piece of metal is 10 inches wide and 14 inches long.
    13·1 answer
  • F=1/6(g+h-k) solve for g
    5·2 answers
  • What is the scale factor of the map (map is in the picture)<br><br> 1unit=557
    6·1 answer
  • Brian made a tasty burger . the diameter of the Burger was 5cm. what is the radius of the circle?
    12·1 answer
  • Find the slope of each line​
    13·1 answer
  • Find the unit rate. A dozen cookies sells for $5.12. Round to the nearest cent.
    7·2 answers
  • Please help i have to write and i dont understand
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!