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S_A_V [24]
3 years ago
15

What is the explicit formula for the geometric sequence: 224, 112, 56, 28, ... .

Mathematics
1 answer:
UkoKoshka [18]3 years ago
7 0

Answer:

a_n=224(1/2)^n-1

Step-by-step explanation:

In this geometric sequence, we can see that the common ratio is 1/2 and the 1st term is 224. using this information, we can plug it into the geometric series formula and we get a_n=224(1/2)^n-1.

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You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. It bounces back up with every bounce,
Mariana [72]

Answer:

16.4 m to the nearest tenth.

Step-by-step explanation:

After the first bounce it rises to a height of 50*0.8 = 40 m.

After the next bounce it rises to  50*(0.8)^2 = 32 m

So after the 5th bounce it rises to  50(0.8)^5 = 16.4 m. (answer).

4 0
3 years ago
Oscar rides his skateboard 5/8 mile in 1/4 hour. How fast, in miles per hour, does he ride his skateboard?
Phoenix [80]

Answer:

2.5 miles  per hour

Step-by-step explanation:

hope this helps :)

3 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST IF YOU HELP MEE
yarga [219]

Answer: A: Whole Number B:Integer and C: Rational are all correct.

For the question: In the figure, AB is divided into equal parts. The coordinates of point A are (2, 4), and the coordinates of point B are (10, 6). Match each pair of coordinates to the corresponding point on AB.

Answer:The coordinates of the point are (6 , 5).

For the question: Imani and Abedi drive to work. Imani drives 66 miles in 1.5 hours. Abedi drives 56 km in 1 hour 15 min. Work out the difference between their average speeds in km/h. 1 mile = 1.6 km

Answer:25.6 km/h

I couldn't help you on all of them, but I helped you on some. Hope this helps :D

8 0
2 years ago
How do I graph -2=-2x+y
igor_vitrenko [27]
You must first set the y by itself. And use the slope formula to find the slope. 2 would be the point for the y axis
6 0
3 years ago
Wayne bought an engagement ring for Tracy.
ohaa [14]
It would be: 420 + (420 * 17.5%)
= 420 + (420 * 0.175)  [ 17.5% = 0.175 ]
= 420 + 73.5
= 493.5

In short, Your Answer would be <span>£493.5

Hope this helps!</span>
4 0
3 years ago
Read 2 more answers
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