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AlekseyPX
3 years ago
14

150 minutes per day = hours per week

Mathematics
1 answer:
RideAnS [48]3 years ago
4 0
150 minutes / day for a week
= (150 minutes / day) * (7 days / week)
= 150 * 7 minutes / week
= 1050 minutes / week

(1050 minutes / week) * (1 hour / 60 minutes)
= (1050 / 60) hours / week
= (105 / 6) hours / week
= 17.5 hours / week

You could also convert to hours first. 150 minutes = 2.5 hours * 7 days = 17.5 hours per week.
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Weekand homework and i need help
Lelechka [254]

Answer:

C. 54

Step-by-step explanation:

36/60=.6

90*.6=54

8 0
3 years ago
Read 2 more answers
Find the interest if:<br><br> Principal = $450<br><br> Rate = 8.2%<br><br> Time = 10 years
vitfil [10]
$369

Multiply 450, 8.2% and 10 to get $369
6 0
3 years ago
Use natural logarithms to solve the equation.round to the nearest thousandth 6e^4x-2=3
Vesna [10]

Answer:

x = 0.598

Step-by-step explanation:

6e^{4x-2} = 3

Taking natural log on both sides

ln(6e^{4x-2}) = ln(3)

(4x-2) ln(6e) = ln(3)

(4x-2) (ln(6) + ln(e)) = ln3         //ln(e) = 1

(4x-2) (ln(6) + 1) = ln3

4x-2=\frac{ln3}{(ln6+1)}\\\\4x=\frac{ln3}{(ln6+1)} + 2\\\\x = \frac{\frac{ln3}{(ln6+1)} + 2}{4}

x = \frac{\frac{ln3}{(ln6+1)} + 2}{4} \\\\x = 0.598


6 0
4 years ago
6.3p=5.8p+46.4 <br> What is P?
bezimeni [28]
The answer is 92.8
Steps:
6.3-5.8=.5
46.4/.5=92.8
3 0
3 years ago
Suppose I have an urn with 9 balls: 4 green, 3 yellow and 2 white ones. I draw a ball from the urn repeatedly with replacement.
Mrrafil [7]

Answer:

E(X_n)=\frac{2(n-1)}{27}

E(y)=\frac{14}{9}

Step-by-step explanation:

From the question we are told that:

Sample size n=9

Number of Green g=4

Number of yellow y=4

Number of white w=4

Probability of Green Followed by yellow P(GY) ball

 P(GY)=\frac{4}{9}*\frac{3}{9}

 P(GY)=\frac{4}{27}

Generally the equations for when n is even is mathematically given by

 Probability of success P(S)=\frac{4}{27}

 Probability of Failure P(F)=\frac{27-4}{27}

 Probability of Failure P(F)=\frac{23}{27}

Therefore

 E(X_n)=\frac{n}{2}*P

 E(X_n)=\frac{n}{2}*\frac{4}{27}

 E(X_n)=\frac{2n}{27}

Generally the equations for when n is odd is mathematically given by

 \frac{n-1}{2}

 E(X_n)=\frac{n-1}{2}*\frac{4}{27}

 E(X_n)=\frac{2(n-1)}{27}

b)

Probability of drawing white ball

 P(w)=\frac{2}{9}

Therefore

 E(w)=\frac{1}{p}

 E(w)=\frac{1}{\frac{2}{9}}

 E(w)=\frac{9}{2}

Therefore

 E(y)=[E(w)-1]\frac{4}{9}

 E(y)=[\frac{9}{2}-1]\frac{4}{9}

 E(y)=\frac{14}{9}

5 0
3 years ago
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