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docker41 [41]
3 years ago
15

THIS IS CONFUSINGG HELP

Mathematics
1 answer:
notsponge [240]3 years ago
5 0
Answer: B hope that helps
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Review the proof.
andrezito [222]

Answer:

Step-by-step explanation:

A 2-column table with 8 rows. Column 1 is labeled Step with entries 1, 2, 3, 4, 5, 6, 7, 8. Column 2 is labeled Statement with entries cosine (2 x) = 1 minus 2 sine squared (x), let 2 x = theta, then x = StartFraction theta Over 2 EndFraction, cosine (theta) = 1 minus 2 sine squared (StartFraction theta Over 2 EndFraction), negative 1 + cosine (theta) = negative 2 sine squared (StartFraction theta Over 2 EndFraction), 1 + cosine (theta) = 2 sine squared (StartFraction theta Over 2 EndFraction), StartFraction 1 minus cosine (theta) Over 2 EndFraction = sine squared (StartFraction theta Over 2 EndFraction), sine (StartFraction theta Over 2 EndFraction) = plus-or-minus StartRoot StartFraction 1 minus cosine (theta) Over 2 EndFraction EndRoot.

Which step contains an error?

Answer:

 

Step-by-step explanation:

 

7 0
3 years ago
Read 2 more answers
76 less than the quotient of an unknown number and five is 116
SIZIF [17.4K]
N
-     -76=116 
5

If the question gives you another variable, just switch it out with n
8 0
3 years ago
The average commute time to work (one way) is 25 minutes according to the 2005 american community survey. if we assume that comm
brilliants [131]
Given that t<span>he average commute time to work (one way) is 25 minutes according to the 2005 american community survey. if we assume that commute times are normally distributed and that the standard deviation is 6.1 minutes, what is the probability that a randomly selected commuter spends less than 18 minutes commuting one way

The probability that a randomly selected number from a normally distributed dataset with a mean of μ and a standard deviation of σ is less than a value, x, is given by:

</span><span>P(X\ \textless \ x)=P\left(z\ \textless \  \frac{x-\mu}{\sigma} \right)

Given that the average </span><span>commute time to work (one way) is 25 minutes and that the standard deviation is 6.1 minutes,

the probability that a randomly selected commuter spends less than 18 minutes commuting one way is given by:

P(X\ \textless \ 18)=P\left(z\ \textless \  \frac{18-25}{6.1} \right) \\  \\ =P(z\ \textless \ -1.148)=\bold{0.1256}</span>
3 0
4 years ago
What is the vertex form of y=x^2-6x+6
andrezito [222]

Answer:

y = (x - 3)² - 3

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

To obtain this form use the method of completing the square

add/subtract (half the coefficient of the x- term )² to x² - 6x

Given

y = x² - 6x + 6

  = x² + 2(- 3)x + 9 - 9 + 6

  = (x - 3)² - 3 ← in vertex form

3 0
3 years ago
Read 2 more answers
7m-1/3=2 find the value of m​
Serjik [45]

Answer:

m=3

Step-by-step explanation:

(7m*3-1)/3=2

21m-1=2*3

21m=6+1

21m=7

21/7=m

3=m

5 0
3 years ago
Read 2 more answers
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