What is the answer? 1/4 7/20 5/11 1/2
2 answers:
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Answer:
Fixed rate is $60.
Step-by-step explanation:
Let us consider per student charge be 'x'.
Let us consider fixed rate be 'b'
Given:
I rent a gym for $150 for 30 students.
So we can say that;
Total amount is equal to sum of number of students multiplied by per student charge and fixed rate.
framing in equation form we get;
Also Given:
another time I rent the gym for $270 for 70 students.
So we can say that;
Total amount is equal to sum of number of students multiplied by per student charge and fixed rate.
framing in equation form we get;
Now we will subtract equation 1 from equation 2 we get;
Dividing both side by 40 we get;
Now we will substitute the value of x in equation 1 we get;
So we can say that the equation can be written as;
Hence we can say that fixed rate is $60 and per student charge is $3.
These statements are true:
This is <em>true</em> because of the definition of a rhombus which states that opposite sides are parallel.
This is <em>true </em>because the diagonals of a rhombus bisect each other at right angles.
This is<em> true</em> because the four sides of a rhombus are all equals.
This is also <em>true</em>. Two angles are supplementary when they add up to 180 degrees. Angles in rhombus are equal two to two. Let's name:
Then it is true that:
Besides, a rhombus is a quadrilateral and it is true that the interior angles of a quadrilateral add up to 360 degrees, thus:
This is <em>true</em> because of the definition of a rhombus which states that opposite sides are parallel.
This is <em>true </em>because the diagonals of a rhombus bisect each other at right angles.
This is<em> true</em> because the four sides of a rhombus are all equals.
This is also <em>true</em>. Two angles are supplementary when they add up to 180 degrees. Angles in rhombus are equal two to two. Let's name:
Then it is true that:
Besides, a rhombus is a quadrilateral and it is true that the interior angles of a quadrilateral add up to 360 degrees, thus: