Answer:
The answer is 16 hours
Step-by-step explanation:
The Reason why it is 16 hours is simply because it says in the question
"The moon is around 239,000 miles from Earth. How many hours would it take a rocket that can travel at 250 MILES PER MINUTE to travel to the moon? Round to the nearest hour.
"
So, turn 16 hours into minutes, 16 X 60 = 960 X 250 miles per min = 240,000, miles there you go! the answer is B!
30 flags in 3 3/4 that’s the whole question?
Answer:
700 lei
Step-by-step explanation:
You have a geometric sequence for which you know the common ratio and the last term.
There are only three terms, so you can solve the problem in either of two ways.
1. The brute force method
(easiest for only a few terms)
Each term is half the one before it, so each term is double the one after it.
3rd term = 100 lei
2nd term = 200
1st term = 400
Total = 700 lei
Oana spent 700 lei
2. Using formulas (best for longer sequences)
The general formula for your sequence is
aₙ = a₁rⁿ⁻¹
For your sequence,
a₃ = 100; r = 0.5
(a) Calculate a₁
Set the last term equal to the general formula.
a₃ = a₁(0.5)ⁿ⁻¹
100 = a₁(0.5)² = 0.25a₁
a₁ = 100/0.25 = 400
(b) Calculate the sum
The general formula for the sum of a geometric sequence is

Oana spent 700 lei.
2/5 ≥ x - (4/5). add 4/5 to each side
6/5 ≥ x
Hello, My Dear Friend!Solution for
equation:<span>
Simplifying:</span>

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</span><span>
Reorder the terms:</span>



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</span><span>
Solving:</span>

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</span><span>
Solving for variable 'x'.</span>
Move all terms containing x to the left, all other terms to the right.
<span>
Add '12' to each side of the equation.</span>

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</span>
Combine like terms: 


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</span><span>
Combine like terms: </span>


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</span><span>
Divide each side by '20'.</span>

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</span><span>
Simplifying:</span>

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Therefore,
THAT is The Answer!^^^ </span>
=====> x = 3 <=====
I
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