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3 years ago

Please show work!!!

Mathematics

2 answers:

NNADVOKAT [17]3 years ago

5 0

That is an "F" angle or a "corresponding" angle. The function of this angle is that it is the same size along the same line. Answer is 36.

JulijaS [17]3 years ago

3 0

36 because the angles are the same but in a different place

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Simplify the expression sin^2x-1/cos(-x)

s344n2d4d5 [400]

Use the Pythagorean identity $sin ^{2} x+cos ^{2} x=1$
to simplify the numerator.
$sin ^{2} x-1=-cos ^{2} x$
Now use that fact that
$cos(-x)=cos(x)$ to set up the equivalent fraction:
$\frac{sin ^{2}x-1 }{cos(-x)} = \frac{-cos ^{2}x }{cos(x)}$
Now reduce between the numerator and denominator to get -cos(x)

4 0

3 years ago

The distance a spring will stretch varies directly with how much weight is attached to the spring. If a spring stretches 9 inche

Ierofanga [76]

Answer A - 8,1in

explanation
------------------------------------------------------------------------
! Inches ! Inches ! Pounds ! Pounds !
! 9 : 10 ! Sum ! ! sum !
-------------------------------------------------------------------------
! 0,9 ! 0,9*1 = 09 ! 10 ! 1*10 = 10 !
------------------------------------------------------------------------\
! 0,9 ! 0.9*2 = 1,8 ! 10 ! 2*10 = 2 0 !
! 0,9 ! ! 10 ! !
-----------------------------------------------------------------------
! 0,9 ! 0,9*3 = 2,7 ! 10 ! !
! 0,9 ! ! 10 ! 3*10 = 30 !
! 0,9 ! ! 10 ! !
-------------------------------------------------------------------------
 for every pound falls 0.9 inches
derived unit of proportion :

 $\frac{9 inches}{100 pounds} = \frac{0,9 inches}{10pounds} \\ \\ = \frac{0,9 * 9 inches}{10 *9 pounds} = \frac{8,1 inches}{90pounds}$

4 0

4 years ago

Read 2 more answers

ANother free Braniliet to the first 2 people to answer this question! 3(2 + x)

alexira [117]

Answer:

6+3x

Step-by-step explanation:

3(2 + x)

Distribute

3*2 + 3*x

6+3x

5 0

3 years ago

If, instead of the second electron coming in from infinity, it is initially at x = + 20.00 m on the axis and is given an initial

Brut [27]

Answer:

If the electron keeps that speed, then yes.

Step-by-step explanation:

The electron is given an initial position in the space, and is given a positive velocity and a direction towards the origin. Since the distance is finite, eventually, by keeping the same velocity and direction it will reach the origin At some time.

If the speed gradually decreases, it may be the case that the particle will never reach the origin (even though it may never stop), but since the problem doesnt state anything i am assuming that is not the case.

6 0

3 years ago

You are playing a game of Scrabble and have the 5 A tiles, 3 E tiles, 1 Z tile, 2 M tiles, 3 L tiles, and 1 Y tile to choose fro

Mekhanik [1.2K]

The answer is 4/14 since your total number of tiles is 14 and there are 3 E tiles and 1 Y tile

7 0

3 years ago