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KengaRu [80]
2 years ago
7

Consider the derivation of sin(2x). A 2-column table with 3 rows. Column 1 has entries 1, 2, 3. Column 2 is labeled Step with en

tries sine (2 x) = sine (x + x), = sine (x) cosine (x) + cosine (x) sine (x), = (sine (x) cosine (x) ) squared. Where is the error?
Mathematics
1 answer:
lisabon 2012 [21]2 years ago
5 0

Answer:

D, Step 3

Step-by-step explanation:

I just did it on edge

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Evaluate x(y+3)/(3+y)z for x=12, y=1, and z=6.<br><br> A) 2<br><br> B) 5<br><br> C) 8<br><br> D) 6
fgiga [73]

Answer:

2

Step-by-step explanation:

We take the equation

x(y+3)/(3+y)z

and substitute the values for each individual variable in the problem. It looks like this:

12(1+3)/(3+1)6

Now we can solve the equation.

When solved, it equals 2.

5 0
3 years ago
Read 2 more answers
Graph the function defined by f(x) = (x+21)
Inga [223]

Answer:

A

Step-by-step explanation:

Consider the parent function y=|x|. The graph of this function is represented as red graph in attached diagram.

Now consider the function y=|x+2|.

Remind main translations of the graph of the function y=f(x):

  • y=f(x-a) - translation a units to the right;
  • y=f(x+a) - translation a units to the left;
  • y=f(x)+a - translation a units up;
  • y=f(x)-a - translation a units down.

In your case, the graph of the function y=|x+2| is translated graph of the function y=|x| 2 units to the left (blue graph). So, correct answer is option A.

5 0
3 years ago
The general form of the equation of a circle is x^2+y^2−4x−8y−5=0.
lakkis [162]
X² - 4x    + y² - 8y    = 5

Complete the square:
x² - 4x + (4) +  y² - 8y + (16)    = 5 + (4) + (16)
→  (x - 2)²    +  (y - 4)²    = 25

Center: (2,4)
radius: √25 = 5
5 0
3 years ago
What are the quotient and remainder of (3x^4+ 2x^2 - 6x + 1) /(x + 1)
quester [9]

Answer:

all work is shown and pictured

4 0
2 years ago
I really need help on this please can someone help me thanks in advance
vodomira [7]

Answer: option 2 is the better option

Step-by-step explanation: well in this case as you are trying to find the individual prices of the candy bars, you would divide the total price by the amount of candy bars. So in this case for the first problem, you would take the total price: $6.75 and divide it by 10. The answer to this would be .675 but you would round it up to .68 so that you have a two digit decimal. Therefore the answer is .68 cents for each candy bar.

you would repeat this process for the second problem. Total price: $7.25 divided by 12 (candy bars). The answer in this problem would then be .60 cents per candy bar. Once we see how much each would be, it is just a matter of seeing which price is higher. In this case, the second option is the better option.

Sorry this was long, that's how i explain things, but i hope this helps

3 0
3 years ago
Read 2 more answers
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