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Oksi-84 [34.3K]
2 years ago
10

Simplify 9^{2} / 9^{7}

Mathematics
1 answer:
monitta2 years ago
8 0
It is 2/18 I hope I can help
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a water ballon is to be randomly dropped along a 1 mile long line that stretches across a practice target zone. the target zones
Pavel [41]

Answer:

It seems like the question is not complete. So, I will asume that the complete question is: " A bomb is to be dropped along a mile-long line that stretches across a practice target.  The target center is at the midpoint of the line.  The target will be destroyed if the bomb falls within a tenth of a mile on either side of the center.  Find the Probability that the target is destroyed if the bomb falls randomly along the line."

Step-by-step explanation:

The total of possible cases is the length of the line = 1 mi ;

The favourable cases are the two lengths of 0.1 mi = 0.2 mi ;

Assuming the bomb has no bias for any point ,

the probability of favourable cases' occurrence is 0.2/1 = 0.2

7 0
2 years ago
What is 13.89 rounded to the nearest thousandth?
Musya8 [376]
13.8900 this is the answer. it is like this because thousandth is.0000. it Cant be 13.0089 because you would change the number.
7 0
3 years ago
Parker Middle School's chior needs to raise $480 for an upcoming trip they will take. At their first fundraising project, they r
harkovskaia [24]

The money does the choir still need to raise is $180.

<u>Step-by-step explanation:</u>

The money needed to be raised by the choir for an upcoming trip = $480.

It is given that, the money needed was raised in two fundraising projects.

<u>During the first fundraising project :</u>

The choir raised 25% of the money needed for the trip.

⇒ 25% of 480

⇒ (25/100) × 480

⇒ (1/4) × 480

⇒ 120

Therefore, the first fundraising project raised $120.

<u>During the second fundraising project :</u>

The choir raised 3/8 of the money needed for the trip.

⇒ 3/8 of 480

⇒ (3/8) × 480

⇒ 3 × 60

⇒ 180

Therefore, the second fundraising project raised $180.

<u>To find the money does the choir still need to raise :</u>

You need to find the remaining amount from the 480 after raising money from the two fund raising projects.

For that, find out how much you raised from those fund raising projects and subtract it from the 480.

Money needed = Total money required for the trip - Raised money

⇒ 480 - (120+180)  

⇒ 480 - 300

⇒ 180 dollars.

The money does the choir still need to raise is $180.

6 0
3 years ago
Add (13x – 4) and (–6x + 15)
kompoz [17]

(13x – 4) + (–6x + 15) =

13x - 4 - 6x + 15 =

7x + 11

4 0
3 years ago
Solve to indicated variable 16ak=-5 for a
damaskus [11]
The answer is
\frac{ - 5}{16k}  = a
steps
#1) Try to leave a by itself by dividing any variable next to it
\frac{16 ak  =  - 5 }{ 16k}
you can only divided these variables as all these variables in the original equation. are being multiplied. The opposite if multiplication is division.
3 0
3 years ago
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