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Irina18 [472]
3 years ago
14

Which expression is NOT equivalent to the other three?

Mathematics
1 answer:
Olin [163]3 years ago
6 0

Answer:

9(n - 9)  = 9n - 81

Step-by-step explanation:

Equivalent expressions are expressions which are equal . To determine if expressions are equivalent, simplify to lowest terms through combining like terms.

-9 - 7n + 16n  =  -9 + 9n

9(n - 9)  = 9n - 81

n - 9 + 8n  = -9 + 9n

9n - 9 = -9 + 9n

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NISA [10]

Answer:

The Value of X in 2nd one can be 14√3.

The Value of X in 1st one can be 6√3.

Step-by-step explanation:

2.)here we used tan 60° formula with P/B as x/14 respectively.

as the value of tan 60° is √3, we got,

√3= x/14

x= 14√3.

1.) Here we used sin 30° formula with 1/√2 as P/H

so we got,

6/x= 1/√2

hence the answer comes:-

x= 6√2..

Hope so it helped you........

8 0
2 years ago
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Afina-wow [57]

Answer:

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4 0
2 years ago
What is 10 8by13 add 4 24by49. these numbers are in mixed fraction​
kvv77 [185]

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Step-by-step explanation:

10 8/13 + 4 24/49

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taking LCM

(138*49 + 220*13) / (13*49)

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3 years ago
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Step-by-step explanation:

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Required

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So, the relationship between \angle 1 and \angle 2 is:

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