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mel-nik [20]
3 years ago
10

Mekala has an MP3 player called the Jumble. The Jumble randomly selects a song for the user to listen to. Mekala's Jumble has 4

44 techno songs, 2 22 country songs, and 3 33 jazz songs on it. Mekala plans to listen to 270 270270 songs.
Mathematics
2 answers:
alexandr402 [8]3 years ago
6 0

Answer:Close to 60 country songs but probably not exactly 60 country songs.

Step-by-step explanation:

Mekala player Jumble has 4 techno songs, 2 country songs, and 3 jazz songs on it.

Represent this songs in ratio format

Ratio of techno songs,to country songs,to jazz songs= 4: 2 : 3

Total number of songs is unknowns ,let it be represented by x

total number of songs is therefore 4 x, 2 x, and 3 x.

Total number of songs that Mekala plans to Listen = 2 70

Then , 4 x + 2 x + 3 x= 270

9 x = 270

Dividing both sides by 9, we get

x = 30

So, Number of techno songs = 4 × 30= 120

Number of country songs = 2 × 30= 60

Number of jazz songs = 3 × 30= 90

Stolb23 [73]3 years ago
3 0

Answer:

Close to 60 country songs but probably not exactly 60 country songs

Step-by-step explanation:

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Antonio orders an iPhone case off of Amazon for $27. He has to pay an additional 3% for shipping and handling. How much will his
Wewaii [24]

Answer:

We conclude that total cost/bill will be: $27.81  

Step-by-step explanation:

Given

The cost of an iPhone case = $27

Additional expense = 3% = 3/100 = 0.03

To determine

Total bill = ?

The expense amount can be calculated by multiplying the cost of an iPhone case by the additional expense

i.e.

Expense Amount = cost of an iPhone case × additional expense

                             = 27 × 0.03

                             = $0.81

The total cost is calculated by adding the expense amount and the original cost of an iPhone case.

i.e.

Total cost/bill = Expense Amount + cost of an iPhone case

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Therefore, we conclude that total cost/bill will be: $27.81            

6 0
3 years ago
What is the solution to the proportion?
blsea [12.9K]
12/15 = 8/x

Cross multiply:
12*x = 8*15
⇒ 12*x= 120
⇒ (12/12)*x = 120/12
⇒ x= 10.

Final answer: x=10.

Hope this helps~
4 0
3 years ago
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Bob got 8 presents 1/2 flew away how many do he have?
iren2701 [21]

he has 4 presents left


7 0
4 years ago
In a particular year, the United States had a national debt of 1.1 x 1013 U.S. dollars.
kolezko [41]
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The height (ft) of an object is launched into the air given by the function h(t)=-6t^2+120t+17 where t is the time in seconds.
garri49 [273]

Answer:

Object will reach the max height in 10 seconds.

Max. height is 1817.

It will hit the ground in 20 seconds.

Step-by-step explanation:

In order to find the x value which makes the function take its greatest value, you need to take the derivative of the function and equalize the result to 0.

h'(t)=-12t+120=0

t=10

The object will reach its maximum height in 10 seconds.

h(10) (maximum height) = 6.10.10+120.10+17= 600+1200+17=1817

Considering this is a parabola, time in total is two times more than the time passed until reaching the max. height.

10.2=20

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