Step-by-step explanation:
option B is correct as,
10 + x = -18
→ x = -18 -10
→ x = -28
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Answer:
I cant really see it its far and blurry.
Step-by-step explanation:
Sorry
Answer:
x = √21.
Step-by-step explanation:
Triangles ADB and BCD are similar.
So their corresponding sides are in the same ratio:
x / 7 = 3 / x
x^2 = 21
x = √21.
Answer:
75 minutes
Step-by-step explanation:
Assuming that Clare will not take a break throughout the session
10 books=1 minute
750 books= x minutes
Cross multiplying to find the value of x
10x books=750 books minutes
Making x the subject
x=750 books minutes/(10 books)
x=75 minutes
This translates to 1 hours and 15 minutes
Therefore, Clare will require 75 minutes