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Yuri [45]
3 years ago
15

Jack has 2613 songs saved on his computer. Dexter has 4 times as many song's saved on his computer as jack has. how many songs d

oes dexter have saved on his computer
Mathematics
2 answers:
Fed [463]3 years ago
8 0
10,452 songs... That's A LOt
siniylev [52]3 years ago
5 0
2,613 × 4 = 10,452 songs saved
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Please help I don't understand i'm in the lowest class?
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Answer:

Step-by-step explanation:

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2 years ago
What is the domain of g(x) = sqrt x +1
Shkiper50 [21]
There can be no negative in a sqrt 
so x+1 must be equal or greater then 0
x+1\geq 0
x \geq -1
so all answers must be greater then  or equal to -1
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3 years ago
A ramp into a building forms an 8° angle with the ground. If the entry point of the ramp is 7 feet from the building, how many f
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the nail shop purchases nail polish in 13- milliliters bottles. Find the total capacity of 1000 bottles in liters
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5 0
3 years ago
Today the ratio of Elinor's age to her mother's age is 3:8. After 15 years, the ratio will become 6:11. What is Elinor's age tod
amm1812
X=Elinor´s age today.
y=Mother´s age today.
(x+15)=Elinor´s age after 15 years.
(y+15)=Mohter´s age after 15 years.

We can suggest this systemen of equations:
x/y=3/8                                  ⇒x=3y/8
(x+15)/(y+15)=6/11              ⇒11(x+15)=6(y+15)

Finally, we´ll have the following system:
x=3y/8
11(x+15)=6(y+15)

We can solve this system of equations by substitution method:
11[(3y/8)+15)=6(y+15)
11[(3y+120)/8)=6y+90
33y+1320=8(6y+90)
33y+1320=48y+720
33y-48y=720-1320
-15y=-600
y=-600/-15
y=40

We find out the value of "x";
x=3y/8
x=3(40)/8
x=120/8
x=15

Answer: Elinor is 15 years old.
 
8 0
3 years ago
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