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scZoUnD [109]
3 years ago
12

How do you solve for: 6 + 4/5b = 9/10b?

Mathematics
2 answers:
Gala2k [10]3 years ago
5 0

Answer:

b=60

Step-by-step explanation:

6+4/5b=9/10b

  -4/5b  -4/5b

6=1/10b

divide both sides by 1/10

b=60

xxTIMURxx [149]3 years ago
5 0

Answer:

b=60

Step-by-step explanation:

6+4/5b=9/10b

6=9/10b-4/5b

6=9/10b-8/10b

6=1/10b

b=6/(1/10)

b=(6/1)(10/1)

b=60/1

b=60

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Answer:

c. 2

Step-by-step explanation:

Given : X = No. of hours worked

           No. of people work for the manager = 50

           X = 3, 4 , 5 , 6 , 7, 8

           P(X) = 0.1 , ? , 0.14 , 0.3 , 0.36 , 0.06

To Find : No. of people work for four hours

Solution : First understand the fact that sum of all probabilities is equal to 1

So, sum of all values of P(X) = 1

⇒0.1+?+0.14+0.3+0.36+0.06 = 1

⇒0.96+? = 1

⇒?= 1-0.96

⇒? = 0.04

So, the probability of no. of people worked for 4 hours is 0.04.

⇒P(4)=0.04

Thus , To calculate no. of people work for four hours :

0.04\times 50

⇒ 2 no. of people work for four hours per shift .


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3 years ago
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Perpendicular lines intersect to form four right angles. never always sometimes
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Always

Step-by-step explanation:

The definition of a perpendicular line is that it intersects another at a 90 degree angle. Using this, by verticals, the opposite corner angle must also be 90-degrees, and since one side of a line is 180 degrees, 180-90 = 90, which ensure the rest of the angles will be 90 degrees too.

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