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Simora [160]
3 years ago
8

Find the value of x ​

Mathematics
1 answer:
den301095 [7]3 years ago
5 0

x = 20 is the answer.

<u>Step-by-step explanation:</u>

When a parallel lines cut by a transversal, then the alternate exterior angles are congruent.

So the given 2 angles add up to 180 degrees.

5x+ 9 + 3x+ 11 = 180

8x + 20 = 180

8x = 180 - 20 = 160

  x = 160/8 = 20

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A worker is exposed to 98 dB for five hours and 82 dB for three hours, giving an eight-hour working day. On average, what noise
julia-pushkina [17]

Answer:

92 dB

Step-by-step explanation:

Use the mean formula, mean = sum of elements / number of elements.

Since it is a 8 hour work day, there are 8 elements.

mean = sum of elements / number of elements

mean = (98 + 98 + 98 + 98 + 98 + 82 + 82 + 82) / 8

mean = 736 / 8

mean = 92

So, the average noise level is 92 dB

6 0
2 years ago
Each power smoothie that Theo makes has 3 scoops of mango, 1 scoop of strawberries, and 1 scoop of spinach. If Theo makes 7 powe
EleoNora [17]

Answer: 35 scoops total!

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5 0
3 years ago
What is the interest if a sum of $5200 is invested for 36month at 15% per annum​
Serggg [28]

Answer:

I = 2,340

Step-by-step explanation:

The formula for interest is

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T= 36 months; T is meant to be in years so we will convert it from months to years

1 year = 12 months

So 36 months

= 36 /12 = 3 years

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4 0
3 years ago
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Answer:

Step-by-step explanation:

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5 0
2 years ago
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