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velikii [3]
2 years ago
7

300 students attend Ridgewood Junior High School. 20% of students bring their lunch to school everyday. How many students brough

t their lunch to school on Thursday?​
Mathematics
1 answer:
kotykmax [81]2 years ago
5 0

The number of students that brought their lunch to school on Thursday is 60 students.

  • Let the number of students be P.

<u>Given the following data:</u>

  • Total number of students = 300 students
  • Lunch percentage = 20%

To determine the number of students that brought their lunch to school on Thursday:

In this exercise, you're required to calculate the number of students that brought their lunch to school on Thursday as a percentage of the total population in this school.

<h3>The formula for percentage.</h3>

Thus, we would use this formula:

P = \frac{20}{100} \times 300\\&#10;\\&#10;P=0.2 \times 300

P = 60 students.

Read more on percentage here: brainly.com/question/14432715

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Need help ()()()()()((;(;
Gwar [14]

Answer:

20%

Step-by-step explanation:

4/20 = x/100

100*4 =400

400/20 = 20

so

4/20 = 20/100

8 0
3 years ago
Read 2 more answers
Cab companies often charge a flat fee for picking someone up and then charge an additional fee per mile driven.
Dahasolnce [82]
1a.)  y=0.5x+2
1b.)  The 0.5x is the slope. It represents the amount of extra money you are paying (in addition to the automatic $2) per mile. The y-intercept is 2. That represents the amount you automatically pay for that company.

2.a) I forgot how to do point-slope form, but for 2b., the slope is representing the same thing as in 1a. The slope is .65 and it is representing the amount of money you pay (in addition to the automatic $1.75) per mile.

To find the answers to the table question, use the slope intercept formula, y=.65x+1.75 Plug the numbers they are asking about in for x.

Example: Plugging in 3 we get y=(.65)(3)+1.75 which will equal 3.7 so the amount of money you pay after driving for 3 miles is $3.70.
(:

8 0
3 years ago
I think of a number multiply by two then subtract 9
EastWind [94]

Answer:

2n - 9

Step-by-step explanation:

Let the number be n.  Then "a number multiply by two then subtract 9" yields

2n - 9

3 0
3 years ago
What is the equation of the line of the best fit for the following data?
aksik [14]
C The answer is y=1.560-22.105
3 0
3 years ago
Read 2 more answers
What is the rectangular form of z= 40(cos(7pi/6)+ i sin(7pi/6))
Anastaziya [24]

Answer:

C. z = -20\sqrt{3}-i\,20

Step-by-step explanation:

The rectangular form of a complex number is represented by the following formula:

z = a+i\,b (1)

Where each coefficient can be determined as function of the polar components:

a = r\cdot \cos \theta (2)

b = r\cdot \sin \theta (3)

Where:

r - Magnitude of the complex number, dimensionless.

\theta - Direction of the complex number, measured in radians.

If we know that r = 40 and \theta = \frac{7\pi}{6}, then the rectangular form of the number is:

a = 40\cdot \cos \frac{7\pi}{6}

a = -20\sqrt{3}

b = 40\cdot \sin \frac{7\pi}{6}

b = -20

The rectangular form of z=40\cdot\left(\cos \frac{7\pi}{6}+i\,\sin \frac{7\pi}{6}\right) is z = -20\sqrt{3}-i\,20. The correct answer is C.

4 0
3 years ago
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