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masha68 [24]
2 years ago
14

in a gym class the ratio of girls to total students is 4:7 there are 9 boys in the gym class how many students are in the gym cl

ass
Mathematics
1 answer:
nikklg [1K]2 years ago
3 0
4:7 = x/9+x.  36 + 4x = 7x.  36=3x.  x=12.  x=girls in class.  x+9=all students in class.  
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PLEASE NEEP HELP ASAP:)
Sloan [31]
35%
----     Than cross multiply with ---- = 24500
100%                                        100   --------
                                                            100
Which ends up to be 245.
4 0
3 years ago
Read 2 more answers
Determine whether the points (–3,–2) and (3,2) are in the solution set of the system of inequalities below. y ≤ ½x + 2 y < –2
lana [24]

Given:

The system of inequalities:

y\leq \dfrac{1}{2}x+2

y

To find:

Whether the points (–3,–2) and (3,2) are in the solution set of the given system of inequalities.

Solution:

A point is in the solution set of the given system of inequalities if it satisfies both inequalities.

Check for the point (-3,-2).

-2\leq \dfrac{1}{2}(-3)+2

-2\leq -1.5+2

-2\leq 0.5

This statement is true.

-2

-2

-2

This statement is also true.

Since the point (-3,-2) satisfies both inequalities, therefore (-3,-2) is in the solution set of the given system of inequalities.

Now, check for the point (3,2).

2

2

2

This statement is false because 2>-9.

Since the point (3,2) does not satisfy the second inequality, therefore (3,2) is not in the solution set of the given system of inequalities.

7 0
3 years ago
Express 16 as a difference of two prime numbers
sasho [114]
16 can be expressed as a difference of two prime numbers in two ways, which is:23 - 7 = 16, 19 - 3 = 16
Among the choices, 16 is expressed as (23 - 7), which is the difference of two prime numbers.

8 0
3 years ago
If anyone could please help me with both these questions if not then at least do one I would appreciate it a lot! Please and Tha
Andreas93 [3]
Unit is 72 because it is the length
6 0
2 years ago
What is 37 years converted into hours?
natta225 [31]
There are 24 hrs in a day, and there are 365 days in an year

first step: multiply years with days

37 x 365 = 13505 days in all

second step: multiply days with hrs

13505 x 24 = 324120 hrs

your total is 324120 hrs

hope this helps
6 0
3 years ago
Read 2 more answers
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