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11111nata11111 [884]
3 years ago
10

Evaluate the expression when m=25 and n=2

Mathematics
1 answer:
lawyer [7]3 years ago
4 0

Answer:

what the expression, lmk in comments and then i will help you :)

Step-by-step explanation:

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HELP MEE! SHOW WORK! FILL IN THE QUESTION MARKS!
lara31 [8.8K]

9514 1404 393

Answer:

  • 42 students; (28 students); 70 students
  • (60%); 40%; (100%)

Step-by-step explanation:

The percentages total 100%, so the missing percentage is

  100% - 60% = 40%

The numbers on the number lines are proportional, so now you can write ...

  ?/100% = 28/40% . . . . . . ? total students

Multiplying by 100% gives ...

 ? = 28/0.4 = 70 . . . . . total students

Then the 60% portion of students can be found two ways:

  60% × 70 = 42 students . . . . 60% of students

  70 -28 = 42 students

4 0
3 years ago
A high school baseball player has a 0.215 batting average. In one game, he gets 7 at bats. What is the probability he will get a
masya89 [10]

Answer:

0.651%

Step-by-step explanation:

using Binomial expansion: nCr*p^n*(1-p)^(n-r)

probability he will get at least 5 hits in the game = probability he will get  5 hits in the game + probability he will get 6 hits in the game + probability he will get  7 hits in the game = 7C5*0.215^5*(1-0.215)^2 + 7C6*0.215^6*(1-0.215)^1 +7C7*0.215^7*(1-0.215)^0 = 21* 0.0004594*0.616225  +  7*0.00009877*0.785  +  1*0.000021235  = 0.00651 = 0.651%

7 0
3 years ago
WILL MARK BRAINLIEST PLEASE HELP ASAP !!! Roberto is paid $11 an hour at his new job He wishes to graph his total pay T, as a fu
Oliga [24]

To best show this information, the scale for the <em>T</em>-axis of his graph should go from 0 to at <em>least </em>11, and the <em>h</em>-axis of his graph should go from 0 to at <em>least </em>40.

Apologies for any incorrect answer, hope this helped.

7 0
4 years ago
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Please help, I don't understand. ​
iren2701 [21]

Answer:

D

If you plug in the corresponding numbers to where they should go, that is the only equation that fits.

3 0
3 years ago
Whats 40% of 5. WILL GIVE MORE POINTS!
inessss [21]
Answer:

40% of 5 is 2
8 0
3 years ago
Read 2 more answers
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