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Vera_Pavlovna [14]
4 years ago
11

How to solver for 2y-1/3=5 prove: y= 8

Mathematics
1 answer:
nirvana33 [79]4 years ago
3 0
3×2y-(1/3×3)=5×3
6y-1=15
6y-1+1=15+1
6y=16
y=8/3
Y cannot be 8
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timurjin [86]

Answer:

m∠1 = 60°

m∠2 = m∠4 = 39°

m∠3 = m∠5 = 21°

Step-by-step explanation:

ΔWXY is a equilateral angle,

Therefore, all angles of the the triangle are equal in measure.

m∠W + m∠X + m∠Y = 180°

3m∠W = 180°

m∠W = 60°

Since, ΔWZY is an isosceles triangle,

m∠3 = m∠5

m∠3 + m∠Z + m∠5 = 180°

m∠3 + 138° + m∠3 = 180°

2m∠3 = 180 - 138

m∠3 = 21°

Therefore, m∠3 = m∠5 = 21°

Since, m∠2 + m∠3 = 60°

m∠2 = 60 - 21

        = 39°

Since, m∠4 + m∠5 = 60°

m∠4 = 60 - 21

        = 39°

m∠1 = 60°

7 0
3 years ago
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One in a thousand people are afflicted with the dreaded zigma disease. A pharmaceutical company develops a test for this disease
Anna [14]

Answer:

Option "A" is correct

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P(A) probability of event A is true

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t = 26

Step-by-step explanation:

Step 1: Subtract 9 from both sides.

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Step 2: Check if solution is correct.

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3 years ago
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Answer:

8 is the correct answer

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Answer:

r = 5

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r³ = 125

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