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True [87]
3 years ago
13

F(5)= 12 for a geometric sequence that is defined recursively by the formula f(n) = 0.3• f(n-1), where n is an integer and n>

0. Find f(7)Round your answer to the nearest hundreth
Mathematics
2 answers:
aksik [14]3 years ago
7 0

Answer:

1.8

Step-by-step explanation:

Morgarella [4.7K]3 years ago
6 0

Answer:

1.8

Step-by-step explanation:

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A chemist wants to mix a solution of 20% chlorine with a solution of 60% chlorine to make 120 liters of 30% solution of chlorine
Mama L [17]

Answer:

90 and 30 liters

Step-by-step explanation:

1) if solution of 20% is 'x' and of 60% is 'y' liters, then

2) the pure chlorine is: for solution of 20% - 0.2x, for solution of 60% - 0.6y and

3) the mix of the two solutions is 120=x+y.

4) using these items it is possible to make up the system of two equations:

\left \{ {{x+y=120} \atop {0.2x+0.6y=0.3(x+y)}} \right.

5) finally, x=90 liters of 20%; y=30 liters of 60% solution.

8 0
2 years ago
Pls help will mark brainliest
algol13

Answer:

750

Step-by-step explanation:

3 0
2 years ago
a pool tank fills 60 gallons of water in 1/5 of an hour. How many gallons of water can be filled up in 1 hour?
klasskru [66]
If it takes 1/5 hour to fill 60 gallons
than multiply the fraction by 5 to get a whole hour
and multiply the 60 gallons by 5 to get the amount of water created in that hour
60*5= 300 gallons of water in 1 hour
5 0
3 years ago
Read 2 more answers
If lim(x->3) f(x)=7, which of the following must be true?
fenix001 [56]
<span>If lim(x->3) f(x)=7, then </span><span>f(3) = 7.</span>
5 0
2 years ago
Use elimination to solve 3x-2y=24 x+2y=48
MakcuM [25]

Answer:

X= 18; Y=15

Step-by-step explanation:

As a student myself working this out I cannot explain how I got the answer but I know it is correct.

5 0
3 years ago
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