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oee [108]
3 years ago
14

137,638+52,091 round

Mathematics
1 answer:
hichkok12 [17]3 years ago
6 0

137,638+52,091 is 189729.

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XVerify the identity. (7 points) cos 4u = cos22u - sin22u
Alexandra [31]

Answer:

cos 4u = co^s2 2u - sin^2 2u

Step-by-step explanation:

cos 4u = co^s2 2u - sin^2 2u

Let 4u = 2x

cos 2x = cos^2 x - sin^ 2 x

cos (x+x) = cos^2 x - sin^ 2 x

Using cos(x+y) = cos(x)cos(y) -sin(x)sin(y)

cos(x) cos(x)- sin(x) sin (x)= cos^2 x - sin^ 2 x

cos^2 (x) -sin^2 (x) =cos^2 x - sin^ 2 x

Since this is true

cos 2x = cos^2 x - sin^ 2 x

This is true

Substituting 4u back for 2x

cos 4u = co^s2 2u - sin^2 2u

This is true

5 0
3 years ago
What is the result when 3/8x + 2 1/5 - 3 1/2x - 4 1/10
Anna [14]
It equals to 3/5 and in alternative form is 0.6
6 0
3 years ago
The BMI equation is:
s2008m [1.1K]
A.) weight/(height x height)x 703
6 0
3 years ago
What is the measurement of N?<br> A) 17° <br> B) 18° <br> C) 20° <br> D) 45°
maxonik [38]

Answer:

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Step-by-step explanation:

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3 years ago
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Darnelle drew this figure and the accompanying equations.
kondor19780726 [428]

Answer:

Option D. w + x = z

Step-by-step explanation:

see the attached figure to better understand the problem

we have

w+x+y=180 ----> equation A

y+z=180 ----> equation B

equate equation A and equation B

w+x+y=y+z

Subtract y both sides

w+x=z

This equation satisfy the <em><u>Triangle Exterior Angle Theorem</u></em> (An exterior angle of a triangle is equal to the sum of the opposite interior angles)

4 0
3 years ago
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