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8_murik_8 [283]
3 years ago
5

Review the proof.

Mathematics
2 answers:
Digiron [165]3 years ago
8 0

Answer:

step 5

Step-by-step explanation:

edge

andrezito [222]3 years ago
7 0

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:

 

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Raj plotted point L in the coordinate plane below.
Lorico [155]

Answer:

The x- and y-coordinates are switched

Step-by-step explanation:

Here, we want to identify the error in the plot

1.5 units to the left, that is negative x-axis (-1.5)

4 units up is 4

So the coordinate point is (-1.5,4)

So the error on what he gave was that both coordinates were switched

3 0
3 years ago
Read 2 more answers
2.
solong [7]

Answer:

38 students are not in the art club while 12 student are in the art club.

Step-by-step explanation:

Percent I am not exactly sure, I'm sorry, still I hope this somehow helped!

3 0
3 years ago
Which is the graph of y- 3 = -2/3(x + 6)?
Olegator [25]

Answer:

put points on (1.5, 0) and (0, -1), then draw a continuous line through them

Step-by-step explanation:

y - 3 = -2/3(x + 6)

y - 3 = (-2/3)x - 4

y = (-2/3)x - 1

0 = (-2/3)x - 1

1 = (-2/3)x

x = 3/2 = 1.5

y = (-2/3)(0) - 1

y = -1

8 0
3 years ago
The degree of the sum of the expressions x⁴ +4y₂ -5xy and x₃ - y + 2xy
MrMuchimi

Answer:

<u>4.</u>

Step-by-step explanation:

Degree will he 4, since the largest exponent will still be 4 after the addition.

6 0
2 years ago
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I need help with 3&amp;4 ...
scZoUnD [109]
General form for circle is 
(x - a)^2 + (y - b)^2 = r^2

so if center is at (3,-2) we can plug in a and b:-

(x-3)^2 + (y+2)^2 = r^2

Now plug in x = 7 and y =1  (from the point R)

4^2 + 3^2 = r^2 
r^2 =  25  making r = 5

so its diameter = 2*5 = 10
6 0
3 years ago
Read 2 more answers
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