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bekas [8.4K]
3 years ago
8

the senior class has 412 students. they are assigned to different homerooms. there are 28 students in the smallest homeroom and

the remaining 12 homerooms have the same number of students. how many students are in each of the remaining 12 homerooms?
Mathematics
1 answer:
Grace [21]3 years ago
8 0
32 in each homeroom. and so i dont give you the answer... you would do
 412 - 28 = 384 then 384/12= 32
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Plz help me out !! Am rlly bad at these type of math
Sever21 [200]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
2. The ratio of
denpristay [2]

Answer:

<h2>3500</h2>

Step-by-step explanation:

Given the  ratio of  the profit, cost of  materials and labour  in the production of

an article to be 5:7:13 respectively, total ratio = 5+7+13 = 25

If the cost of labour is x, the cost of material will be 840+x (since the  cost of materials is Le  840 more than that of  labour)  .

Let the total cost of producing the article be y.

Cost of labour = 13/25 * y = x

Cost of labour  = 13y/25 = x.................... 1

Cost of material = 7/25*y = 840+x

Cost of material = 7y/25 = 840+x ..................... 2

From 1, 13y = 25x

x = 13y/25 ................... 3

Substituting equation 3 into 2:

7y/25 = 840+x

7y/25 = 840+13y/25

collect the like terms:

7y/25 - 13y/25 = 840

-6y/25 = 840

-6y = 25*840

y = 25*840/6

y = 3,500

<em>Hence the total cost of producing the article is 3500</em>

4 0
3 years ago
Consider the equation y=97x+8000, what is the y-intercept?
Natali [406]

Answer:

8000

Step-by-step explanation

7 0
3 years ago
If tom had 100g rice how would u convert it to kg
notka56 [123]

<u>répondre:</u>

<u>bonjour</u>

<u>si tom avait 100 g de riz il va convertir 100g en kg</u>

  1. <u>Étape par Étape explication:</u>

<u>= 0,1 kg</u>

<u>bonne journée</u>

3 0
3 years ago
How many solutions are there for the system x^2+4y^2=100 and 4y-x^2=-20
never [62]
There are 5 solutions for this system.

x^2 + 4y^2 = 100  ____1
4y - x^2 = -20  ____2
Add both 1 & 2 together. x^2 gets cancelled
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Then equation the becomes : y^2 + y -20 =0
Now factorise the equation: (y+5) (y-4) = 0
Solve for y :  y = -5 and y = 4
Using the values of y to find the values of x. From equation 1:
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y = -5, x = /100 - 4(-5)^2 = /100 - 100 = 0
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Thus we have 6 solutions y = -5, 4 and x = -6, 0, 6
6 0
3 years ago
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