Declan draws triangle WXY. He then constructs a perpendicular bisector from vertex W that intersects side XY at point Z. What ca
n Declan conclude, based on his drawing?
2 answers:
Answer:
Option D.
Step-by-step explanation:
Given information: WXY is a triangle.
Steps of construction:
1. Draw a triangle WXY.
2. Constructs a perpendicular bisector from vertex W that intersects side XY at point Z.
If a line cuts a line segment exactly in half by a 90 degree angle, then it is called a perpendicular bisector.
WZ is a perpendicular bisector on XY. It means point Z divides the side XY in two equal parts.
Therefore, the correct option is D.
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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.
Easy! just compare then cross multiply 70:1 × 10:4 because you need to use the negative reciprocal of either one to create division with ratios/fractions
