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katrin2010 [14]
3 years ago
10

in a class, 2/7 of the students have blue eyes. if there are 35 students in the class, how many have blue eyes?

Mathematics
2 answers:
Anna35 [415]3 years ago
7 0
The answer is: 10 (ten).  

        Ten (10) students in the class have blue eyes.

_________________________________________________________
 
(2/7)* (35) = (2/7) * (35/1) ;  

the "7" cancels to a "1"; and the "35" changes to a "5" ; since "35÷7= 5" ;
___________________________________________________________
   (2/1) * (5*1) = (2*5)/(1*1) = 10/1 = 10 .
_____________________________________
     The answer is 10 (ten).  
      Ten (10) students in the class have blue eyes.

_________________________________________________________
Arada [10]3 years ago
4 0
35/7 = 5
5 times 2 = 10
That means if 35 students are in the classroom, 10 will have blue eyes.
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2 years ago
The conservation club has 32 members. There are 18 girls in the club.
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3 0
3 years ago
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In the figure above lines L and M are parallel, y = 20 and Z= 60, What is the value of X equal to?
Bezzdna [24]
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7 0
3 years ago
Which two points are on the graph of M(a) = - 3/4a-12?
sertanlavr [38]

Answer:

(-16, 0) and  (0,-12)  are exactly two points on the graph of the given equation.

Step-by-step explanation:

Here, the given expression is : M(a) = -\frac{3}{4} a-12

Here, let M(a)  = b

⇒The equation becomes b = -\frac{3}{4} a-12

Now, check for all the given points for (a,b)

<u>1) FOR (-9,0)</u>

RHS  is  -\frac{3}{4} (-9)-12  =   -5.25 \neq 0

Hence, (-9,0) is NOT on the graph.

<u>2) FOR (-16,0)</u>

Here, LHS = b = 0

andRHS  =   -\frac{3}{4} (-16)-12  = 12-12  = 0

Hence, LHS  =  RHS = 0  So, (-16,0) is  on the graph.

<u>3) FOR (0,12)</u>

Here, LHS = b = 12

RHS  is  -\frac{3}{4} (0)-12  =   -12  \neq 12

Hence, (0,12) is NOT on the graph.

<u>4) FOR (0,-12)</u>

Here, LHS = b = -12

RHS  is  -\frac{3}{4} (0)-12  =   -12

and LHS = RHS = -12

Hence, (0,-12) is  on the graph.

Hence, (-16, 0) and  (0,-12)  are exactly two points on the graph of the given equation.

6 0
3 years ago
I need help with my math I have no clue what I’m doing
Llana [10]

Answer:

V= 7,241.1

Step-by-step explanation:

V = 4/3 × π × r^3

V = 4/3 × 22/7 × 1,728

V = 88/21 × 1,728

V = 4.190 × 1,728

V= 7,241.1

8 0
3 years ago
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