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goblinko [34]
3 years ago
9

What is 86 14/24 + 7 13/24

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
3 0

Answer:

94 3/24

Step-by-step explanation:

86 14/24 + 7 13/24 = 86 + 7 + 14/24 + 13/24

                                = 93 + (14+13)/24

                   = 93 + 27/24  

                        {here 27/24 is improper fraction. so convert to mixed fraction }

                                 = 93 + 1  3/24

                                  = 94 3/24

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Yolanda spends 82/3 hours per month playing soccer. Approximately how many hours does she play soccer in a year?
Vesnalui [34]
328 because 82/3 multiplied by 12 is 328 and you do that because there's 12 months in a year and if you spend 82/3 hours per month playing soccer than you would multiply that by 12 which gives you 328 hours.
7 0
3 years ago
Name of a ray. <br>1.02 points, lines, planes Vocabulary Quiz<br>​
TEA [102]

Answer:

Lines. A ray is a line that originates from a point till infinity.

Step-by-step explanation:

A ray is a form of a line, but it has a starting point. It starts from a point, and extends till infinity in a given or required direction.

This property distinguish completely a ray from a line or segment. Lines extends to infinity in both its directions. And a segment is the length of a line between its starting point and end point.

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6 0
3 years ago
Donald has x twenty-dollar bills and 11 ten-dollar bill. How much money does Donald have? Write your answer as an expression.
kirill115 [55]

Answer:

Is there anymore information that is given to this question? Like how much money Donald has in total?

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
I have 100 items of product in stock. The probability mass function for the product's demand D is P(D=90)=P(D=100)=P(D=110)=1/3.
masya89 [10]

Answer:

The probability mass function for the items sold is

P_X(k) = \left \{ {\frac{1}{3} \, \, \, {k=90} \atop \, \frac{2}{3} \, \, \, {k=100}} \right.

The mean is 96.667

The variance is 22.222

b) The probability mass function for the unfilled demand due to lack of stock is

P_Y(k) = \left \{ {\frac{2}{3} \, \, \, {k=0} \atop \, \frac{1}{3} \, \, \, {k=10}} \right.

The mean is 3.333

The variance is 33.333

Step-by-step explanation:

If the demand is higher than 100, then you will sell 100 items only. Thus, there is a probability of 1/3+1/3 = 2/3 that you will sell 100 items, while there is a probability of 1/3 that you will sell 90.

The probability mass function for the items sold is

P_X(k) = \left \{ {\frac{1}{3} \, \, \, {k=90} \atop \, \frac{2}{3} \, \, \, {k=100}} \right.

The mean is 1/3 * 90 + 2/3 * 100 = 290/3 = 96.667

The variance is V(X) = E(X²)-E(X)² = (1/3*90² + 2/3*100²) - (290/3)² = 200/9 = 22.222

b) If order to be unfilled demand, you need to have a demand of 110, which happens with probability 1/3. In that case, the value of the variable, lets call it Y, that counts the amount of unfilled demand due to lack of stock is 110-100 = 10. In any other case, the value of Y is 0, which would happen with probability 1-1/3 = 2/3. Thus

P_Y(k) = \left \{ {\frac{2}{3} \, \, \, {k=0} \atop \, \frac{1}{3} \, \, \, {k=10}} \right.

The mean is 2/3 * 0 + 1/3 * 10 = 10/3 = 3.333

The variance is 2/3*0² + 1/3*10² = 100/3 = 33.333

4 0
2 years ago
In triangle ABC, EG = x inches and BG = (5x - 12) inches. Triangle A B C has centroid G. Lines are drawn from each point to the
yawa3891 [41]

Answer:

12. Hope this helps!!!

Step-by-step explanation:

9 0
3 years ago
Read 2 more answers
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