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Yuri [45]
3 years ago
15

3 1/3 /20 what is the quotient

Mathematics
1 answer:
AleksAgata [21]3 years ago
3 0

Answer:

1/6

Step-by-step explanation:

(3 1/3)/20=(10/3)×(1/20)=10/60=1/6

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A = 8*4 = 32 in²

Find the height of trapezoid

8-4 = 4 in

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(5,3+8)*4/2 = 13,3*4/2 = 53,2/2 = 26,6 in²

Find the figure area

26,6+32 = 58,6 in²
5 0
3 years ago
The slope of the line
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Simplified that is -2 which is the slope of the line

6 0
2 years ago
Can you help me please?
skad [1K]

Answer:

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Step-by-step explanation:

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3 years ago
Assume that you assign the following subjective probabilities for your final grade in your econometrics course (the standard GPA
rodikova [14]

Answer:

E(X) = 4*0.2 +3*0.5+ 2*0.2 +1*0.8+ 0*0.02= 2.78

So then the best answer for this case would be:

C. 2.78

Step-by-step explanation:

For this case we have the following probabability distribution function given:

Score         P(X)

A= 4.0       0.2

B= 3.0       0.5

C= 2.0       0.2

D= 1.0        0.08

F= 0.0       0.02

______________

Total          1.00

The expected value of a random variable X is the n-th moment about zero of a probability density function f(x) if X is continuous, or the weighted average for a discrete probability distribution, if X is discrete.

If we use the definition of expected value given by:

E(X) = \sum_{i=1}^n X_i P(X_I)

And if we replace the values that we have we got:

E(X) = 4*0.2 +3*0.5+ 2*0.2 +1*0.8+ 0*0.02= 2.78

So then the best answer for this case would be:

C. 2.78

3 0
3 years ago
Alexis paid $50 to active her cell phone plus a service fee of $20 per month.She used the phone for 3 months. How much has she p
TEA [102]

Answer:


Step-by-step explanation:

She paid $50 to activate one time and pays $20/ month

20.00x3=60.00

60.00+50.00=110.00

7 0
2 years ago
Read 2 more answers
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