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Alona [7]
3 years ago
10

What is the quotient? a-3/7 - 3-9/21

Mathematics
2 answers:
Ivanshal [37]3 years ago
8 0
<h3>I'll teach you how to solve a-3/7 - 3-9/21</h3>

--------------------------------------------------------

a-3/7 - 3-9/21

Group like terms:

a - 3/7- 9/21- 3

Cancel 9/21 to 3/7:

a-3/7-3/7-3

Combine the fractions:

a- 6/7- 3

Convert element to fraction:

3*7/3 - 6/7

Since the denominators are equal combine the fractions:

-3*7-6/7

-3*7-6= -27

-27/7

Apply the fraction rule:

a- 27/7

Your Answer Is a - 27/7

plz mark me as brainliest :)

Ad libitum [116K]3 years ago
8 0
A-27/7 is the answer to this question
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<u>Correct</u><u> </u><u>question</u><u>:</u><u>-</u>

<u>Prove </u><u>that </u><u>tan9.</u><u>t</u><u>a</u><u>n</u><u>1</u><u>7</u><u>.</u><u>t</u><u>a</u><u>n</u><u>4</u><u>5</u><u>.</u><u>t</u><u>a</u><u>n</u><u>7</u><u>3</u><u>.</u><u>t</u><u>a</u><u>n</u><u>8</u><u>1</u><u>=</u><u>1</u>

<u>LHS</u>

\\ \sf\longmapsto tan9.tan17.tan45.tan73.tan81

\\ \sf\longmapsto tan9.tan81.tan17.tan73.tan45

\\ \sf\longmapsto tan(90-81).tan81.tan(90-73).tan73.1

\\ \sf\longmapsto cot81.tan81.cot73.tan73

\\ \sf\longmapsto 1.1

\\ \sf\longmapsto 1

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