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Ishmael
Questions (7)
As a senior prefect write a speech you will deliver at your school speech and a prize given day
0 answers
264 views
A 1500 kg car is travelling at 20 m/s. It brakes to a stop causing the brake pads to heat up from 25 degrees Celsius to a
1 answer
625 views
whay is the critical number of the fuction G(x)=2x+5
2 answers
389 views
Why are sponges considered simpler organisms than cnidarians?
1 answer
827 views
As cells in an organism become more specilized, what ability do they lose?
1 answer
403 views
What do we call the first few divisions of the zygote? What process must occur to allow these divisions?
1 answer
649 views
What adaptations to feeding are seen in insects?
1 answer
947 views
Answers (4)
Akua now --- x Ama now ---- 4x Akua in 10 years ---- x+10 Ama in 10 years ---- 4x+10 4x+10 = 2(x+10) solve for x let Ama's age be X and Akua's age be Y first sentence X=4Y.......(i) second sentence X+10=(Y+10)2......(ii) substitute (i) into (ii)
13.6%
How much barium chloride, BaCl, is necessary to react with the silver nitrate in the problem above?
1.748
