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
larisa86 [58]
3 years ago
15

Simplify the expression. 1/2 (-sin2x - cos 2x)

Mathematics
1 answer:
maria [59]3 years ago
4 0

Answer:

1/2 (-sin2x - cos 2x)

Step-by-step explanation:

Distribute 1/2 to every term in the parentheses

You might be interested in
I made my own tricky math question. But I don't know if its tricky for you. Amelia has 1 notebook on her desk, she put her noteb
fomenos

Answer:

1 thing, her pouch

Step-by-step explanation:

you sayed that she took her notebook away and the only thing onher desk is her pouch

5 0
2 years ago
Help me find the answer
emmainna [20.7K]

Answer:

2.30 = ?

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

sin theta = opp side/ hypotenuse

sin 50 = ? / 3

Multiply each side by 3

3 sin 50 = ?

2.298133329 = ?

To the nearest hundredth

2.30 = ?

5 0
2 years ago
Find the vertex: -4x² + 16x - 7​
guapka [62]

Find the vertex: -4x^2 + 16x - 7​

Vertex = ( x, f(x)).

x = -b/2a

x = -16/2(-4)

x = -16/-8

x = 2

f(x) = -4x^2 + 16x - 7

Let x = 2

f(2) = -4(2)^2 + 16(2) - 7

f(2) = -4(4) + 32 - 7

f(2) = -16 + 32 - 7

f(2) = 16 - 7

f(2) = 9

Vertex = (2, 9)

7 0
3 years ago
Apr 23, 8:46:54 AM<br> What is the missing term?
kipiarov [429]
Answer: -10x
Explanation: Multiply -2 by 5x
7 0
2 years ago
How do you solve these type of problems ?
-Dominant- [34]

Answer:

x = 15

Step-by-step explanation:

This involves the Secant and Segments Theorem.

8(19 + 8) = 9(9 + x)

216 = 81 + 9x

9x = 135

x = 15

8 0
2 years ago
Other questions:
  • I forget how to subtract, so can you help?
    6·1 answer
  • Find 631.44 * 6.314 and round your answer to the nearest thousandth.
    10·1 answer
  • You are making a scale model of the solar system. The radius of Earth is 6378 kilometers. The radius of the Sun is 695,500 kilom
    10·1 answer
  • The x-coordinate of the point that contains the ___?___ is always 0.
    5·1 answer
  • A student bakes a cake she adds 120 grams of flour , 120 grams to egg, 80 grams of sugar,75 grams of vegetable oil and 100 grams
    7·1 answer
  • I Need Help Finding The Answer To m
    5·1 answer
  • A spinner numbered 1 to 6 is spun ten times, giving the results : 2, 5, 3, 5, 1, 2, 3, 3, 4, 6. The experimental probability of
    7·1 answer
  • What is the measure of angle 1?
    8·1 answer
  • 1.1 Given the linear pattern: 5 ; -2 ; -9 ..... -289
    14·1 answer
  • Please help! I need this ASAP
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!