3 years ago

BRAINLIEST TO THE CORRECT ANSWER! 20 POINTS!!

Mathematics

2 answers:

Aleonysh [2.5K]3 years ago

7 0

Answer:

1one is incorrect answer for this question

Katyanochek1 [597]3 years ago

5 0

Answer:

This might not help a lot but it's either A or B though i bet it's B

Step-by-step explanation:

wish i could help more sorry :(

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Find the exact value of the trigonometric function given that sinU=-7/25 and cosV=-4/5 (Both U and V are in Quadrant III)

Contact [7]

cosU:-

$\\ \rm\longmapsto \sqrt{1-sin^2U}=\sqrt{1-49/625}=24/25$

As U lies in Q3

cosU=-24/25

sinV

$\\ \rm\longmapsto \sqrt{1-cos^2V}=\sqrt{1-16/25}=3/4$

As V lies in Q3

sinV=-3/5

sin(V-U)=sinVcosU-cosVsinU=(-3/5)(-24/25)-(-4/5)(-7/25)=72/125-28/125=72-28/125=44/125
cos(U-V)=cosUcosV+sinUsinV=(-24/25)(-4/5)+(-7/25)(-3/5)=96/125+21/125=117/125

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2 years ago

Which equation shows an example of the associative property of addition? (–7 i) 7i = –7 (i 7i) (–7 i) 7i = 7i (–7i i) 7i × (–7i

mr Goodwill [35]

The equation which shows the associative property of addition is; (–7 + i) +7i = –7 (i +7i).

<h3>What is the associative property of addition?</h3>

Associative property of addition postulates that Changing the grouping of addends does not change the sum of the numbers. As an instance, ( 5 + 3 ) + 4 = 5 + ( 3 + 4 )

Consequently, the equation which shows the associative property of addition is; (–7 + i) +7i = –7 (i +7i)

Read more on associative property of addition;

brainly.com/question/2284106

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2 years ago

What's the answer to the math question

algol13

10m^3-m^2-6m+9 is the answer

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3 years ago

Solve for D, E, F, and G

Sergio039 [100]

Answer:

D=135

E=72

F=20

G=101

D: (360-90)/2

E: 45+27

F: (135-15)/6

G: 86+15

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3 years ago

What is 86% written as a fraction in simplest form

WINSTONCH [101]

86% written as a fraction is 43/50

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3 years ago

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