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
faltersainse [42]
3 years ago
10

Please help! 12 points

Mathematics
1 answer:
Ivahew [28]3 years ago
8 0

Answer:

Step-by-step explanation:

sin2x = 2sinx*cosx

         = 2\sqrt{sin^{2}x } * cosx

         = 2\sqrt{(1-cos^{2}x } * cosx

         = 2  \sqrt{1-\frac{3}{5} ^{2} } *\frac{3}{5}

         = \frac{8}{5}  * \frac{3}{5}  

         = 24/25        

You might be interested in
What is the rate of change of the contractor's total earnings in dollars with respect to the
cluponka [151]

Answer: Your answer is A: 8.75 Per hours worked.

Step-by-step explanation:

8 0
2 years ago
How do the graphs of y=1/x and y=5/x+6<br><br> compare?
oee [108]

Answer:  The graph is attached.

Step-by-step explanation:  The given functions whose graphs are to be compared are as follows:

y=\dfrac{1}{x},~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(A)\\\\\\y=\dfrac{5}{x}+6.~~~~~~~~~~~~~~~~~~~~~~~~~(B)

In the attached figure, the graphs of both (A) and (B) are shown. We can easily see see from there, the shapes of both the graphs are same.

But, at x = 0, y = ∞ and at x = ∞, y = 0 in graph (A).

At  x = 0, y = ∞ and at x = ∞, y = 6 in graph (B).

Thus, the comparison can be seen in the figure very clearly.

8 0
3 years ago
Given y = log3(x + 4), what is the range?​
lora16 [44]

Answer:

The range is all real numbers.

The domain is all reals numbers that are greater than -4.

Step-by-step explanation:

y=\log_3(x+4) only exists when x+4 is positive.

You can take the log of a negative or 0 number.

So x+4>0 implies x>-4.  (I just subtract 4 on both sides.)

So the domain is x>-4. You should see this also when you graph the curve that the curve only exist to the right of -4.

Now the range.  The range is where the curve exist for the y-values.

The equivalent exponent form of y=\log_3(x+4) is 3^{y}=x+4

We can solve this for x be subtract 4 on both sides:

x=3^y-4

Now here y can be anything; there are no restrictions on the exponent.

Also if you look at the graph of y=\log_3(x+4) you should see every y getting hit by the curve (look down to up; use the y-axis as a guide).

Let's think about the inverse I found above a little more (I'm going to swap x and y).

y=3^x-4.

If we look at the domain and range of this we can just swap it to get the domain and range of y=\log_3(x+4).

y=3^x-4 is an exponential function of 3^x that has been moved down 4 units.

The range since it has been moved down 4 units is (-4,\infty).

The domain of an exponential function is all real numbers.  There are no restrictions on what you can plug in for x.

So swapping these to find the domain and range of y=\log_3(x+4):

Domain:  (-4,\infty)

Range : (-\infty,\infty)

4 0
2 years ago
Peil
Thepotemich [5.8K]

Answer:

7*7*7

Step-by-step explanation:

4 0
3 years ago
An object in geometry with no width, length or height is a(n):
nirvana33 [79]
The answer would be b. (Which is point)
4 0
3 years ago
Other questions:
  • What two numbers does the square root of 85 fall between?
    11·1 answer
  • A brick has a mass of 2,000 grams. What is the mass of the brick in kilograms?
    7·1 answer
  • Which of the following best describes the expression 2a + 3b + 4c + 5d?
    5·2 answers
  • Item 3: helppp, i need help asap :)
    14·1 answer
  • Carlos and his friend are sharing some leftover pasta. If 1/4 of the pasta is left, how much will they each get?​
    15·2 answers
  • People drive, on average, 14,063 miles per year. About how many miles each week is that?
    14·2 answers
  • Someone please help me quick I’m timed
    6·1 answer
  • Y=-x^2+8<br> y= =3/4x– 3
    7·1 answer
  • The minute hand of a clock is 5 inches long. How far does the tip of the minute hand move in 25 minutes ?
    13·1 answer
  • I need help please I need help please ​
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!