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
Snowcat [4.5K]
4 years ago
11

Find the exact value of sin225°​

Mathematics
1 answer:
Yanka [14]4 years ago
6 0

Answe:

(-sqrt2)/2

Step-by-step explanation:

You might be interested in
MATH!<br><br><br> -4=2x+16<br><br> x=____?
Dima020 [189]

Answer: x=-10

Step-by-step explanation: hope this help

8 0
3 years ago
If a wheel with a radius of 80 inches spins at a rate of 50 revolutions per minute, find the approximate linear velocity in mile
Lubov Fominskaja [6]
\bf \textit{arc's length}\\\\&#10;s=rw\qquad &#10;\begin{cases}&#10;r=radius\\&#10;w=\textit{angular speed}&#10;\end{cases}\qquad w=\cfrac{50 rev}{min}\cdot \cfrac{2\pi }{rev}&#10;\\\\\\&#10;w=\cfrac{100\pi }{min}\qquad s=80in\cdot \cfrac{100\pi }{min}\implies s=\cfrac{8000\pi\  in}{min}\\\\&#10;-------------------------------\\\\&#10;\textit{now to convert it to miles/hr}&#10;\\\\\\&#10;\cfrac{8000\pi\ in}{min}\cdot \cfrac{ft}{12in}\cdot \cfrac{mile}{5280ft}\cdot \cfrac{60min}{hr}\implies \cfrac{8000\pi \cdot 60\ in}{12\cdot 5280\ hr}
3 0
3 years ago
The projected T. rex is about
dolphi86 [110]

Answer: scale\ factor=230

Step-by-step explanation:

You need to analize all the information given in the exercise.

You know that the actual height of the T-rex on the projector lens is the following:

actual\ height=2\ cm

The height of the projected T-rex is:

projected\ height=4.6\ m

Make the conversion from meters to centimeters:

projected\ heigth=(4.6\ m)(\frac{100\ cm}{1\ m})\\\\projected\ heigth= 460\ cm

Therefore, the scale factor will be:

scale\ factor=\frac{projected\ heigth}{actual\ heigth}

Finally, you must substitute values into the equation and then you must evaluate in order to find the scale factor of the projection. You get that this is:

scale\ factor=\frac{460\ cm}{2\ cm}\\\\scale\ factor=230

7 0
3 years ago
How to write a book report plz help???​
nlexa [21]

Answer:

below

Step-by-step explanation:

In short, a book report is an essay that contains what you read and learned from reading a book. For example, you would write a book report in the following sequence:

  1. What ocurred in the beginning, middle, and end.
  2. What you learned from reading it.
  3. What you enjoyed about it.

Best of Luck!

3 0
3 years ago
Julie has a data set for which the mean is 41. Each value of the data set is multiplied by 7. What is the mean for the new data
Anna007 [38]
Seven times 41 = 287
Therefore, the mean is 287
3 0
4 years ago
Other questions:
  • How do I round 47.999 to the nearest hundredth?
    15·2 answers
  • 100 POINTS if it is wrong i will delete your answer! Calculating Monthly Expenses
    12·1 answer
  • Fifth grade 120 dollars Sixth grade 180 dollars Seventh grade 240 dollars Eighth grade 300 dollars. a.Write three statements tha
    15·1 answer
  • Which is the simplified form of r-7 +s-12?
    15·1 answer
  • Solve the equation for all values of x in simplest form (x + 3)^2 = -16
    12·1 answer
  • A particular state's license plates have 7 characters. Each character can be a capital letter, or a digit except for 0. How many
    8·1 answer
  • Find the area of each. Use
    14·1 answer
  • Mr. Franklin recorded the number of push-ups his students completed in thirty seconds. Which statement below is a reasonable con
    6·1 answer
  • Last term of the arithmetic progression 8,15,22 is 218. Find<br>the number of terms.​
    10·1 answer
  • Find the distance between the points.<br><br> (9.7, -2.1), (-3.2, 8.1)
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!