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weeeeeb [17]
3 years ago
6

Jenny spent half of her weekly allowance at the movies. To earn more money her parents leg her clean the gutters for $9. What is

her weekly allowance if she ended with $12? Add an equation and answer.
Mathematics
1 answer:
Kobotan [32]3 years ago
4 0

Answer:

3

Step-by-step explanation:

i think because 12-9=3

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Wat is the first and second terminal point
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13 The Lozano's chartered a boat over the holiday
pashok25 [27]

Answer:

$460.25

Step-by-step explanation:

350 + .065(350) + .25(350)

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8 0
3 years ago
The waiting times on hold for a call to a customer service department are observed to have the following probability distributio
Elina [12.6K]

Answer:

b. 9.2 minutes

Step-by-step explanation:

To find the expected waiting time for a random call from the sampie given by using the formula:

\sum (f(X)) = \dfrac{\sum f (x) \times x}{\sum x}

number of calls (x)           waiting time f(x) in minutes         f(x) *(x)

0                                                     0                                         0            

2                                                     3                                         6

4                                                     10                                       40

6                                                     15                                       90  

8                                                     10                                       80

10                                                     6                                       60  

\sum x = 30                                                                          \sum f(x) *x = 276

Therefore:

\sum (f(X)) = \dfrac{276}{30}

\sum (f(X)) = 9.2

5 0
3 years ago
How to find subtotal and sales tax? Give an example.​
gizmo_the_mogwai [7]

Answer:

See explanation below.

Step-by-step explanation:

First, obtain the percentage of sales tax for a sale. Say it is 5%.

Then, obtain the sale prices, for two items say they are: $25.00 and $15.00.

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Multiply the amount by the percentage:

$40.00 * 5% =

40 * .05 = $2.00, is the sales tax

Add the tax to the subtotal to obtain the total amount to pay:

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Hope this helps!! Have an Awesome Day!! :-)

3 0
4 years ago
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