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
Orlov [11]
3 years ago
11

Simplify the expression

Mathematics
1 answer:
Vikentia [17]3 years ago
6 0
Hope this helps! feel free to clarify if unsure

You might be interested in
How do you do...<br> cos2x-sin2x=1-2sin2x
Bess [88]
sin (2 \alpha) =2\cdot sin  \alpha \cdot cos  \alpha \\cos(2 \alpha )=1-2sin^2  \alpha \\-------------------- \\cos2x-sin2x=1-2sin2x\\cos2x+sin2x=1\\1-2sin^2x+2sinx\cdot cosx=1\\-2sinx(sin x-cosx)=0\\ -2sinx=0\ \ \ \ or\ \ \ \ sinx-cosx=0\\\\1)\ -2sinx=0\ \ \Leftrightarrow\ \ sinx=0\ \ \Leftrightarrow\ \ x_1=k \pi \ \ and\ \ k\in I\\2)\ \ sinx-cosx=0\ \ \Leftrightarrow\ \ sinx=cosx\ /:cosx\ \ \ \ \ \wedge\ \ \ \  cos x \neq 0\\tanx=1\ \ \Leftrightarrow\ \ x_2= \frac{ \pi }{4} +k \pi \ \ and\ \ k\in I
3 0
4 years ago
Jim has a membership to a comic book club. He pays $9.00 per month for membership and $2.50 for each comic book he purchases. Wh
tamaranim1 [39]
The answer is C) the slope is 2.50  and the y-intercept is 9, assuming the question refers to the parameters of his monthly cost.

His cost function could be described as y= 2.5x + 9, where x is the number of comic books he purchases. If he buys no comic books, he still has to pay the $9 membership fee. 
8 0
3 years ago
If tests are worth 60% of your grade, and you have a 76.8% in that class, and you fail that test, what will be your grade?
ratelena [41]

Answer:

70

Step-by-step explanation:

it depends on the grade you make, so if you were to make a 65.47, your grade would be a 70, so any grade less than 70 should be the answer, hope this helps!

3 0
3 years ago
A cabbage palmetto has a height of 80 feet. what is the approximate height of the tree in meters?
frutty [35]
1 foot is about 0,3 meters.
If the height of the cabbage palmetto is 80 feet, it should be about 80*0,3 = 24 meters.

So a cabbage palmetto with 80 feet of height is about 24 meters.

Hope this helps! :)
6 0
3 years ago
Simplify Rewrite the expression in the form x ^ n X^ 2 * x ^ - 12 =
Natalija [7]

Step-by-step explanation:

Given

=  {x}^{2} \times  {x}^{ - 12 } \\  =  {x}^{2 - 12}    \\  =  {x}^{ - 10}

Hope it will help :)

8 0
3 years ago
Read 2 more answers
Other questions:
  • How quickly do synthetic fabrics such as polyester decay in landfills? A researcher buried polyester strips in thes oil for diff
    5·1 answer
  • WHAT IS THE PERCENTS OF 13/50 , 3/5 3/20 5/8 45/90 7/5 19/25
    8·1 answer
  • Alice ran 5 laps around a track.She ran a total distance of 3.65 kilometers Jim ran 20 laps around the same track. what is the t
    7·2 answers
  • Alex is putting a border around his bedroom. The bedroom measures 15 feet by 12 feet. Write an expression that can be used to fi
    7·2 answers
  • 21.
    9·1 answer
  • Help of using proportion to solve problems
    5·1 answer
  • When a test for steroids is given to soccer players, 98% of the players taking steroids test positive and 12% of the players not
    11·1 answer
  • Simplify 81^5=3^w and find w
    13·1 answer
  • Brainliest is given to whoever answers correctly.
    7·2 answers
  • I'm so lost on this work
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!