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Roman55 [17]
2 years ago
7

5,832, _, 648, 216, 72, _,8

Mathematics
2 answers:
V125BC [204]2 years ago
5 0
The formatting of the question is misleading. The first term is 5832, not 5.
This is a geometric sequence with common ratio ⅓.

a₁ = 5832
a₂ = a₁(⅓) = 1944
a₃ = a₂(⅓) = 648
a₄ = a₃(⅓) = 216
a₅ = a₄(⅓) = 72
a₆ = a₅(⅓) = 24
a₇ = a₆(⅓) = 8
UkoKoshka [18]2 years ago
3 0
The first from right 8*3=24
72*3=216
216*3=648
648*3=1944
1944*3=5832
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salma purchased a prepaid phone card for $20. long distance calls cost 24 cents a minute using this card. salma used her card on
suter [353]
We can set up an equation to solve this problem, but first we need to write out what we know.

$20 overall
$0.24 every minute
$13.52 remaining on the card

Now that we know our information, we can set it up in an equation. 

20 - 0.24x = 13.52

The 20 represents $20 overall when she first got the phone card.
We are then subtracting $20 from how must it costs a minute (which is 24 cents). The 'x' indicates the number we are trying to find (how many minutes her call lasted). Lastly, 13.52 is the result of everything, since she has $13.52 remaining on the card.

We can now solve the equation:

20 - 0.24x = 13.52
-0.24x = 13.52 - 20 /// subtract 20 from each side
-0.24x = -6.48 /// simplify
x = 27 /// divide each side by -0.24

Our solution is: x = 27.

-----

An easier way to solve this problem would be to first, subtract the total amount of money she had on the card when she first got it, and then the remaining total she ended up with.

$20 - $13.52 = $6.48

So, she spent a total of $6.48 on long distance calls, but since we are looking for how many minutes, we need to divide the total she spent and how much it costs per minute.

6.48 ÷ 24 = 27

We receive the same amount of minutes spent just like we did the last way we solved.

-----

Salma spent 27 minutes on the phone. 
3 0
3 years ago
If −6n=−48<br> then n=<br> HELP PLEASE
yuradex [85]

Answer:

8

Step-by-step explanation:

3 0
3 years ago
Simplify and expand (X+3)(x-3)(3x+3)<br>​
ivolga24 [154]

Answer:

3x^3 + 3x^2 - 27x - 27

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How do i write 14 ten thousands and 12 thousands in standard<br> form
Burka [1]
In standard form:
answer- 14,000 and 12,000

Example
←LEFT 12,000
                 ↑
   comma(THOUSANDS PLACE)

ten thosands is the second number after the comma(thousands) to the left
8 0
3 years ago
I need your help broskis
Ilia_Sergeevich [38]

a very fast way to do it:

Trivially 8.8*5>10, so the power of 10 is 6+2+1 = 9.

Therefore, the answer is \boxed{4.4 \text{ x }10^9}

8 0
3 years ago
Read 2 more answers
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