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elena-14-01-66 [18.8K]
3 years ago
6

Can you help me???????????????????

Mathematics
1 answer:
lora16 [44]3 years ago
5 0

Answer:

I know the surface area is 120... don't know about volume

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Sequence pattern for 2,1,3,7,13,21
Alina [70]
-1,+2,+4,+6,+8


please mark brainliest

6 0
3 years ago
Who can do this? Pls help
Arte-miy333 [17]

Answer:

15. 2

16. \frac{27}{16} or 1.6875

17. \frac{17}{30} or 0.5666666667

18. 5

19. \frac{35}{8} or 4.375

20. \frac{22}{5} or 4.4

Step-by-step explanation:

Find common denominators. Multiply then simplify (if possible).

4 0
3 years ago
If f(x)=3x, g(x)=x+2 and fog(x)=18, find the value of x.<br>solve this<br><br>​
KiRa [710]

Answer: 4

Step-by-step explanation:

f(g(x)) = f(x+2) = 3(x+2) = 18

x + 2 = 6

x = 4

8 0
1 year ago
The board of directors of a corporation must select a president a secretary and a treasurer in how many possible ways can this b
Anika [276]

There are 9240 possible ways in which a president, a secretary and a treasurer can be selected from the 22 members on the board of directors.

<h3><u>Solution:</u></h3>

Give that the board of directors of a corporation must select a president a secretary and a treasurer.

Need to calculate in how many possible ways this can be accomplished if there are 22 members on the board of directors

Here we are assuming that one person can hold only one position means one if get selected for president he is out of the race for remaining positions that are secretary and treasure

Lets for sake of understanding, we simplify our question.

Lets say there are 3 members A , B and C  . In how many ways two positions of Secretary and  treasurer can be filled .  

So for selecting secretary  we have three option that are A , B or C.

And once secretary is selected , number of option for selecting treasure  is two.

So it is found that number of selecting 2 positions  for  3 members is product of option available for selecting first position that is secretary  multiplied by option available for selecting second position that is treasurer   = 3 x 2 = 6

So now applying same logic for selecting members for 3 positions  from 22 menbers  we get

For selecting president members available = 22

Once president is selected, then option available for selecting a Secretary = 21

And one secretary is also selected, then option available for selecting a treasure = 20

So number of ways in which three positions can be filled by 22 member = 22 x 21 x 20 = 9240

Hence there are 9240 possible ways in which a president , a secretary and a treasurer can be selected from the 22 members on the board of directors.

6 0
3 years ago
One employee of a computer store is paid a base salary of ​$1000 a month plus an 8% commission on all sales over ​$7000 during t
otez555 [7]

Answer:

$32,000

Step-by-step explanation:

From the information given, the equation would indicate that the total salary is equal to the base salary plus the result of subtracting $7,000 from the amount of sales for 8%:

1,000+(x-7,000)*0.08=3,000, where x is the amount of sales

Now, you can solve for x:

1,000+0.08x-560=3,000

0.08x+440=3,000

0.08x=3,000-440

x=2,560/0.08

x=32,000

According to this, the answer is that the employee must sell $32,000 in one month to earn a total of $3,000 for the month.

3 0
3 years ago
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