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Doss [256]
3 years ago
9

Help yur boi out!!! .-.

Mathematics
2 answers:
mars1129 [50]3 years ago
6 0

Answer:

B) Commutative

Step-by-step explanation:

This answer is commutative, because while the order of the parenthesis is changed, the answer is still the same.

~

____ [38]3 years ago
5 0

Answer:


Im pretty sure its associtive


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gladu [14]

Answer:3 1/2 ft = 7/2 ft

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you can stack 67 books

Step-by-step explanation:

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The passcode to a game must contain 2 letters and 3 digits. How many codes are available if the 2 letters must be different and
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A taxi service charges an initial $5 fee, plus $2 per mile driven. A Write an equation to represent the situation. B. How much i
alina1380 [7]
C=2m+5

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Prove that: <img src="https://tex.z-dn.net/?f=tan20%2B4sin20%3D%5Csqrt%7B3%7D" id="TexFormula1" title="tan20+4sin20=\sqrt{3}" al
ankoles [38]

tan( 20 ) + 4 Sin( 20 ) =

( Sin( 20 ) / Cos( 20 ) ) + 4 Sin( 20 ) =

Sin( 20 ) + 4 Sin( 20 ).Cos( 20 ) / Cos( 20 ) =

Sin( 20 ) + 2 × 2 Sin(20).Cos(20)/ Cos(20) =

Sin( 20 ) + 2 × Sin( 40 ) / Cos( 20 ) =

Sin( 20 ) + 2Sin( 40 ) / Cos( 20 ) =

Sin( 20 ) + 2Cos( 50 ) / Cos ( 20 ) =

Sin( 20 ) + 2Cos( 20 + 30 ) / Cos( 20 ) =

________________________________

2 × Cos( 30 + 20 ) =

2 × [ Cos(30).Cos(20) - Sin(30).Sin(20) ] =

2 × [ √3/2 × Cos(20) - 1/2 × Sin(20) ] =

√3 Cos(20) - Sin(20)

_________________________________

Sin( 20 ) + 2Cos ( 20 + 30 ) / Cos( 20 ) =

Sin( 20 ) + √3 Cos(20) - Sin(20) / Cos(20) =

Sin(20) - Sin(20) + √3 Cos(20) / Cos(20) =

0 + √3 Cos(20) / Cos(20) =

√3 Cos(20) / Cos(20) =

Cos(20) simplifies from the numerator and denominator of fraction

√3 × 1 / 1 =

√3

And we're done ....

4 0
3 years ago
Please answer <br><br> Simplify by dividing 3/5 ÷ -4/9
Shtirlitz [24]

Hello! :)

3/5 ÷ -4/9

= -27/30

-1 7/20 Simplified

-1 7/20 is your answer.

Hope this answer helped you!

THEDIPER

5 0
3 years ago
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