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
Karolina [17]
3 years ago
14

Sin2xcosx + cos2xsinx=-1/2

Mathematics
1 answer:
Gnesinka [82]3 years ago
8 0
If you know the rule,

The left side is equal to sin(3x), which is equal to -1/2

So x = (12pi*n-pi) / 18, where n is any integer.
You might be interested in
Jean transformed a point by using the rule (x,y) (x-6, y+8). The image point is (–4, 1). Which point is the pre-image?
lubasha [3.4K]
For this case we have the following transformation:
 (x, y) (x-6, y + 8)

 Using the transformation we have that the image is:
 (-4, 1)

 Therefore, making use of this information, we can find the coordinates of the pre-image
 We have then:
 x-6 = -4

 From here, we clear x:
 x = -4 + 6

x = 2
 On the other hand we have:
 y + 8 = 1

 From here, we clear y:
 y = 1-8

y = -7
 The coordinates of the pre-image is:
 (x, y) = (2, -7)

 Answer:
 
A point that is the pre-image is:
 
(x, y) = (2, -7)
3 0
4 years ago
Read 2 more answers
What is the area of the following parallelogram in square centimeters?
asambeis [7]

Answer: For the firstone i think it is A but idk for the second one.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Amari claims that a rectangle is sometimes a parallelogram but a parallelogram is always a
Maslowich

Answer:

The statement is false.

Step-by-step explanation:

A parallelogram is a figure of four sides, such that opposite sides are parallel

A rectangle is a four-sided figure such that all internal angles are 90°

Here, the statement is:

"A rectangle is sometimes a parallelogram but a parallelogram is always a

rectangle."

Here if we found a parallelogram that is not a rectangle, then that is enough to prove that the statement is false.

The counterexample is a rhombus, which is a parallelogram that has two internal angles smaller than 90° and two internal angles larger than 90°, then this parallelogram is not a rectangle, then the statement is false.

The correct statement would be:

"A parallelogram is sometimes a rectangle, but a rectangle is always a parallelogram"

6 0
3 years ago
What is the volume of the following cylinder?
Vika [28.1K]
Volume of a cylinder of radius r and heigth h is
\pi {r}^{2} h
Here h is 15 cm and r is 6 cm.
3 0
3 years ago
John buys 3 pounds of cherries and 2 pounds of bananas he pays a total of $24.95 the bananas cost $6.50 less per pound than the
Murrr4er [49]

John will pay $8.68 for the combined cost of 1 pound of banana and 1 pound of cherries.

Let: b=cost of banana per pound and c=cost of cherries per pound

Equation 1: For 3 pounds of cherries and 2 pounds of bananas, John pays a total of $24.95.

3c + 2b =$24.95

Equation 2: The cost of bananas is $6.50 less than a pound of cherries.

b= c - $6.50

We can substitute the second equation into the first one to solve for the cost of cherries per pound.

3c + (2)(c-$6.50)= $24.95

3c + 2c -$13.00 = $24.95

5c = $24.95 + $13.00

c = $7.59

Substituting the value of c to the second equation to solve for b.

b= $7.59 - $6.50 = $1.09

The combined cost of 1 pound of banana and 1 pound of cherries is $1.09 + $7.59 or $8.68.

For more information regarding the system of equations, please refer to brainly.com/question/25976025.

#SPJ4

4 0
1 year ago
Other questions:
  • Berenice decides to look at a horizon unwired phone plan. The plan has a monthly charge and an activation fee. With this plan sh
    14·1 answer
  • 531 x 7 using distributive property
    8·2 answers
  • Consist of even number between 30 and 49
    14·1 answer
  • What is the sum of a 6-term geometric sequined if the first term is 22 and the last term is 1299078
    15·1 answer
  • <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20-12%3D-4x" id="TexFormula1" title="x^{2} -12=-4x" alt="x^{2} -12=-4x" align="abs
    5·1 answer
  • Help Meh PleAse
    12·2 answers
  • Point slope question
    5·1 answer
  • Compare the graph of g(x) = - 1/2(x + 6)^2 + 3 to<br> the graph of f(x) = x^2
    7·1 answer
  • What is⅖ + ⅔ in simplest form?
    9·1 answer
  • Need help with this math
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!