Answer:
D. 15
Step-by-step explanation:
<em>Use proportions.</em>
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What is the image of point (-7, 7) for mapping (x, y) , (x – 1, x + 6).
1 answer:
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Let's first find out their factors.
90's factors are :
190's factors are :
The common factors of 90 and 190 are :
1,2,5 and 10.
The greatest one among these is, 10. So the greatest factor of 90 and 190 is 10.
90's factors are :
190's factors are :
The common factors of 90 and 190 are :
1,2,5 and 10.
The greatest one among these is, 10. So the greatest factor of 90 and 190 is 10.
So, this question is basically asking us "If we had an x instead of a 2, would this be true?" We can try and see what we get:
So, if we want to show this we have to change the numerator or denominator in such a way that we can cancel some common factors. Notice that
If we replace the factored numerator with the original one, we get:
Since we have an equality, this relation is proved.