Answer:
answer choice B.......Cell phones as an educational tool
Step-by-step explanation:
self explanatory
Answer:
1000 runners
Step-by-step explanation:
Take total number of runners to be -----------x
90% of x managed to complete the marathon= 90/100 × x =0.9x
30% of those who completed the marathon were men= 30% × 0.9x
=0.3×0.9x= 0.27x
=270 men completed the marathon; this means
0.27x=270--------------------------------find x by dividing both sides by 0.27
x= 270/0.27
x=1000 runners
<span>24r - 3(2r - 5t) - 4t
= 24r - 6r + 15t - 4t
= 18r + 11t
answer
</span><span>18r + 11t</span>
Answer:
Pythagoras
Step-by-step explanation:
Pythagoras
The first one is not proportional and the second one is proportional
