leelaboxs
Answered

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This is direct proportion .

I need help in question 2 only one of the questions then I can do the rest tysm
Il give

This Is Direct Proportion I Need Help In Question 2 Only One Of The Questions Then I Can Do The Rest Tysm Il Give class=

Sagot :

rvkacademic

Answer:

(a) 2.5

Step-by-step explanation:

(a) Since y is directly proportional to x we can write y and x in terms of the following equation:

y = cx where c is a constant
and c = y/x ...(1)
or,

x = y/c ...(2)

For (a)
y = 8 when x = 2 ==> c = y/x = 8/2 =4 from (1)

From (2) we get x = 10/4 = 2.5

The other questions can be solved in a similar fashion



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