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
Snezhnost [94]
4 years ago
11

Find the period of the function. y=-3 cos 1/4x a. pi/4 b.-3 c.3pi/4 d.8pi

Mathematics
1 answer:
timofeeve [1]4 years ago
5 0
The answer is 1/4 = 2pi * 1/T, so T = 4*2pi = 8pi
so it is <span>d.8pi</span>
You might be interested in
If Rosa buys 2 drinks for 4.78 how much would she pay if she bought 4 drinks.​
kicyunya [14]

Answer:

9.56

Step-by-step explanation:

4.78x2 so then your answer would be 9.56

7 0
3 years ago
Which expression is equivalent to (7x-5)-(3x-2)?
marishachu [46]
Apply the distributive property<span>. 
</span><span>7x−5−(3x)−1(−2)</span><span> 
</span>
<span>Simplify. 
</span><span>7x−5−3x−1(−2)

</span>Multiply <span>−1</span><span> by </span><span>−2</span><span> to get </span><span>2.</span><span> 
</span><span>7x−5−3x+2</span><span> 
</span>
Add <span>7x</span><span> and </span><span>−3x</span><span> to get </span><span><span>4x</span>.
</span><span>4x−5+2</span><span> 
</span>
Add <span>−5</span><span> and </span>2<span> to get </span><span><span>−3</span>.
</span><span>4x−3


</span><span>4x−3</span>
8 0
3 years ago
Read 2 more answers
Derive this identity from the sum and difference formulas for cosine:
DiKsa [7]

Step-by-step explanation:

½ [cos(a − b) − cos(a + b)]

Using sum and difference formulas:

½ [cos a cos b + sin a sin b − (cos a cos b − sin a sin b)]

Distribute the negative:

½ (cos a cos b + sin a sin b − cos a cos b + sin a sin b)

Combine like terms:

½ (2 sin a sin b)

Simplify:

sin a sin b

4 0
3 years ago
What is the simplified version of 2(-3x-5)=10
lord [1]

Answer:

Step-by-step explanation:

x = -10/3

x = -3 1/3

5 0
3 years ago
Read 2 more answers
How do i convert 8 21/40 into a decimal
Sonja [21]
Divide 
821/40=<span><span><span>20.525
</span>
Hope this helped
</span>
</span>
6 0
4 years ago
Read 2 more answers
Other questions:
  • Celo used the simple interest formula A= P(1+rt) to calculate the interest he earned on his savings last month. Which equation i
    15·1 answer
  • Find the radius for the circle please show how you got ur anwser so show ur work plz and thanks
    15·1 answer
  • Is 1/4 less than 4/8
    6·2 answers
  • Math Sequence help!!
    11·1 answer
  • The graph of a quadratic equation has a maximum of (-1,9) and x-intercepts at x=-4 and x=2.
    9·1 answer
  • 1/5 of a number plus 3 times the number is equal to twice the number plus 42 what is the number
    15·1 answer
  • Did u ever figure it out ?
    5·1 answer
  • Please help me! how much times can 23 go into 1,624 please tell me the quotation and remainder!!:)​
    6·2 answers
  • Two angles form a linear pair. The measure of one angle is 3.5 times the measure of the other angle. Find the measure of each an
    8·2 answers
  • A cylinder has a base diameter of 6 feet and a height of 2 feet. What is its volume in cubic feet, to the nearest tenths place?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!