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
kati45 [8]
4 years ago
12

What is the exact value of sin -840

Mathematics
1 answer:
dsp734 years ago
7 0
First subtract  2 revolutions from the - 840 :-    (- (840-720)  = -120

This gives  sin -120  which is in the 3rd quadrant of the unit circle

sin -120  =  - sin 60  = - sqrt3/2
You might be interested in
What is 66 hundreds divided by 10
andrew-mc [135]

Answer:

660

Step-by-step explanation:

66 hundreds is 6600 so divided by 10 it's 660

7 0
3 years ago
Read 2 more answers
HELP 50 POINTS <br><br> List the companies in order from greatest to least amount of profit.
Varvara68 [4.7K]

Answer:

4x10^6

9x10^8

1.7x10^9

2.7x10^10

6.2x10^9

Step-by-step explanation:

I hope this is correct

8 0
4 years ago
Read 2 more answers
Write 35% as the sum of two benchmark percents or as a multiple of a percent.
Lemur [1.5K]
Beach Mark is a multiplication to remember
6 0
3 years ago
Read 2 more answers
Write the expression for when you translate the graph of y = |3x|− 5 one unit to the right.
DedPeter [7]

Answer:

y=|3x-3|-5

Step-by-step explanation:

Notice that we are requested to perform a horizontal shift of on unit to the right. Recall that a horizontal shift of one unit to the right involves the operation of subtracting from the variable "x" one unit.

Therefore, this implies the following mathematical transformation to the variable "x":

y=|3(x-1)|-5\\y=|3x-3|-5

where we simply completed distributive property to get rid of the parenthesis inside the absolute value.

5 0
3 years ago
How to find lateral surface area of a cylinder with with demotions of h=12 and r=2
nordsb [41]
It's 150.8
If you ever need to find that, type into google "surface area of ____"
3 0
3 years ago
Other questions:
  • An apple orchard contains 70 trees. The number of trees in each row is 4 less than twice the number of rows. Find the number of
    14·1 answer
  • Surface Area Rectangular Prism
    10·2 answers
  • Given: y varies directly as x. <br><br> If y = 5 when x = 4, what is the value of y when x = 12?
    9·2 answers
  • A teacher wants to see if a new unit on fractions is helping students learn. She has five randomly selected students take a pre-
    9·1 answer
  • What is 7428 divided by 6
    14·1 answer
  • The temperature at sunrise is 36F. Each​ hour, the temperature rises 4F. Write an equation that models the temperature​ y, in de
    12·1 answer
  • Is the data set "color of the coal taken from a rail car" quantitive or qualitative? If it is quantitative is it descents or con
    14·2 answers
  • Please help i will give extra points
    5·1 answer
  • Multiples of 18 less than or equal to 216
    12·1 answer
  • What’s an equivalent expression to 5(2x-1)
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!