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Karo-lina-s [1.5K]
3 years ago
14

What are the answers 2-10

Mathematics
1 answer:
Eva8 [605]3 years ago
7 0
For #2 
just times the -2/3h by everything in the parenthesis. 
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The number of players in a tennis tournament is reduced by half (50%) after every round. In round 1 there are 256 player, in rou
Aleks04 [339]

Answer:

a_{n} = a_{1} (\frac{1}{2} )^{n - 1} where a_{1} = 256.

The number of players compete in round 7 will be 4.

Step-by-step explanation:

The number of players in a tennis tournament is reduced by half (50%) after every round. In round 1 there are 256 players, in round 2 there are 128 players, and so on.

So, the number of players is multiplied by \frac{1}{2} gives the number of players in the next round.

Therefore, the explicit function of number of players in nth round is given by  

a_{n} = a_{1} (\frac{1}{2} )^{n - 1} where a_{1} = 256.

Therefore, the number of players compete in round 7 will be a_{7} = 256 \times (\frac{1}{2} )^{(7 - 1)}  = 4. (Answer)

8 0
3 years ago
a drugstores sells pens for $1.50 each and notebooks for $4 each. The owner would like to sell $35 of these items each day.
aleksandrvk [35]

what is the question. I am kinda confused what you want me to solve. Please state the question more clearly.



-brainly.com

4 0
3 years ago
Figure a is dilated by a scale factor of 1/2 to form figure b. What is the length of x?
PIT_PIT [208]

Answer:

The correct option is 3. The value of x is 8 inches.

Step-by-step explanation:

It is given that Figure A is dilated by a scale factor of 1/2 to form Figure B. It means both figure are similar and corresponding sides of similar figures are proportional.

\text{scale factor}=\frac{\text{Side of image}}{\text{Side of preimage}}

\frac{1}{2}=\frac{x}{16}

Multiply both sides by 16.

\frac{16}{2}=x

8=x

Since scale factor is 1/2, so we can directly say that the side length of image is half of the corresponding side of preimage.

The length of x is 8 inches. Therefore the correct option is 3.

3 0
3 years ago
Read 2 more answers
What is mKNL?<br> Enter your answer in the box.
sergejj [24]

Answer:

102°

Step-by-step explanation:

As the vertically opposite angles are equal,

5x+2={3(x+14)

Now let's solve for x now

5x+2=3(x+14)\\

5x+2=3x+42

5x-3x=42-2

2x=40

\frac{2x}{2} =\frac{40}{2}

x=20 \\

Now let's find the value of KNL

3(x+14)\\3(20+14)\\3*34\\102

Hope this helps you.

Let me know if you have any other questions ;-)

5 0
2 years ago
1. What is the length of segment_AD?
geniusboy [140]
Just count the notches between the two points, there are 15 notches so 15 is tour answer
6 0
3 years ago
Read 2 more answers
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