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frozen [14]
3 years ago
12

The quantities X and Y are proportional find the constant of proportionality (r) in the equation y=Rx

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0

Answer:

y=rx equals 5

Step-by-step explanation:

I have khan academy 5 is the answer

Juliette [100K]3 years ago
4 0

Answer:

y/x = R

Step-by-step explanation:

The two quantities x and y are proportional means they have a relation.

The equation is;

y= Rx ------to find the proportional R you make R the subject of the formula;

y/ x = R

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Given: AC and AE are common external tangents of G and D. BC= 123 GB=20 and AG=101. What is the measure of AC?​
Solnce55 [7]

Answer:

The length of AC is 222 units.

Step-by-step explanation:

Given AC and AE are common external tangents of G and D.

BC= 123 ,  GB=20 and AG=101.

We have to find the measure of AC.

As, a straight line joined from the center i.e radius is perpendicular to tangent drawn. Therefore,

In ΔABG, by Pythagoras theorem

AG^2=AB^2+BG^2

⇒ 101^2=AB^2+20^2

⇒ AB^2=10201-400=9801

⇒ AB=99 units.

Hence, AC=AB+BC=99+123=222 units.

The length of AC is 222 units.

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3 years ago
Which is another way to check the sum 52+23+10+78
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52+23=75
10+78=88 
88+75=163
that's one way 

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