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Nutka1998 [239]
2 years ago
14

52 students in class plant trees, every guy plants 3 trees and every girl plants 2 trees. We know the guys planted 36 more trees

than the girls, how many guys are in this class?
Mathematics
1 answer:
9966 [12]2 years ago
6 0

Answer:

x+y=52

3x=2y+36

_____

x=-y+52

-3y+156=2y+36

5y=120

y=24

52-24=30

30 guys in the class

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Anit [1.1K]

Answer:

The answer for Factorization is (x+6)(x-2) = 0 or Solving for x is 2 and -6.

Step-by-step explanation:

x² - 12 = -4x

Factorisation :

x² + 4x - 12 = 0

x² - 2x + 6x - 12 = 0

x(x-2)x + 6(x-2) = 0

(x+6)(x-2) = 0

Solve for x :

(x+6)(x-2) = 0

x + 6 = 0

x = -6

x - 2 = 0

x = 2

3 0
3 years ago
At summer camp the ratio of boys to girls was 7:2 If there were 21 boys how many girls were there?
Alenkinab [10]
Ratio:\\7:2\\\\&#10;7x-number\ of\ boys\\2x-number\ of\ boys\\\\&#10;7x=21\ \ \ |:7\\&#10;x=3\\\\&#10;2x=2*3=6\\&#10;Number\ of\ girls\ is\ equal\ to\ 6.
3 0
3 years ago
Describe how you would use the distributive property to simplify (39x5)
mrs_skeptik [129]

Hi there!

Answer:

<u><em>=195x and x=195</em></u>

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

Multiply by the numbers.

39*5=195

195/5=39

195/39=5

5*39=195

=195x and x=195

Hope this helps!

-Charlie

8 0
3 years ago
X(x+1)(x+2)(x+3)=24
enyata [817]

Answer:1(1+1)(1+2)(1+3)

Step-by-step explanation:

5 0
2 years ago
Convert 12 quarts to gallons
jek_recluse [69]
3 gallons because there are 4 quarts in a gallon and 12/4=3
4 0
3 years ago
Read 2 more answers
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