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Elan Coil [88]
2 years ago
6

The graphic shows the 108 students

Mathematics
1 answer:
Goshia [24]2 years ago
4 0

Answer:

27

Step-by-step explanation:

108/4=27

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Help me plzzzzzzzZzzzzz​
gizmo_the_mogwai [7]

Use order of operations.

-23-20-(-17)+(-5)x(-2)+4x5

Do all multiplication steps.

-23-20-(-17)+10+20

Do all addition and subtraction steps fro left to right.

-43-(-17)+10+20

-26+10+20

-16+20

answer: 4

8 0
3 years ago
A local television station runs 2.5 minutes of commercials during every 30 minutes of programming. At this rate, how many minute
umka21 [38]

Answer:

12.5 minutes of commercials

Step-by-step explanation:

9:30 - 7:00 = 2 and a half hours on air = 150 minutes.

150 / 30 = 5

5 x 2.5 = 12.5

8 0
2 years ago
Read 2 more answers
The physical plant at the main campus of a large state university recieves daily requests to replace fluorescent lightbulbs. The
faltersainse [42]

Answer:

34%

Step-by-step explanation:

Given that the distribution of daily light bulb request replacement is approximately bell shaped with ;

Mean , μ = 45 ; standard deviation, σ = 3

Using the empirical formula where ;

68% of the distribution is within 1 standard deviation from the mean ;

95% of the distribution is within 2 standard deviation from the mean

Lightbulb replacement numbering between ;

42 and 45

Number of standard deviations from the mean /

Z = (x - μ) / σ

(x - μ) / σ < Z < (x - μ) / σ

(42 - 45) / 3 = -1

This lies between - 1 standard deviation a d the mean :

Hence, the approximate percentage is : 68% / 2 = 34%

5 0
3 years ago
Please help:):):) Your awesome​
bonufazy [111]

Answer:

Q1: 11x - 8

Q2: 2x + 10

Q3: -3v + 12

3 0
3 years ago
Read 2 more answers
Simplify 1/a+b + 1/a-b + 2b/a^2-b^2​
Simora [160]

Answer:

−a^2 b^2 + 2a + 2b

_________________

             a^2

Step-by-step explanation:

<u><em>Please mark as brainliest if answer is right</em></u>  

Have a great day, be safe and healthy  

Thank u  

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8 0
2 years ago
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