Answer:
30.7
Step-by-step explanation:
It's 30.7 because 707/23
Answer:
50 : 6 = x : 40 is the proportion
Step-by-step explanation:
50 : 6 = x : 40
x = 50 * 40 : 6
x = 333.33
--------------------------
check
50 : 6 = 333.33 : 40
8.33 = 8.33
The answer is good
The value of y when x= 2401 is -10
<h3>How to determine the value of x?</h3>
An inverse variation is represented as:

Where k is the proportionality constant
When y = -70, x = 49
So, we have:

Take the square root of 49

Multiply through by 7
k = -490
Substitute k = -490 in 

When x =2401, we have

Evaluate the square root

Divide
y = -10
Hence, the value of y when x= 2401 is -10
Read more about variation at:
brainly.com/question/14254277
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