15 -differences between gymnosperms and angiosperms:
- In gymnosperms ovules are exposed but in angiosperm ovules are enclosed in ovary.
- In angiosperm seeds are enclosed inside the fruits but in gymnosperm seeds are not enclosed inside the fruits.
- Gymnosperm bear cones instead of flowers but angiosperm bear well developed flowers.
16-
- They have mammary glands.
- Their body is covered with hai.
- Breathing takes place through lungs.
17- Uniform acceleration is a change of equal velocity in equal interval of tine.
Non- Uniform acceleration is a change of unequal velocity in equal interval of time.
18- Three equation of motion:
- v =u+at
- s=ut+1/2at^2
- v^2 = u^2+ 2as
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Answer:
130mm
Step-by-step explanation:
I'm pretty sure you mean each of the sides is this length... so I'll go off of that. 20+10+20+60+20 is the addition for this problem.
20+10+20+60+20=130 is the answer.
Permutations
slot method
8 slots
1st slot has 8 choices
2nd has 7 because 1 went to first slot
3rd has 6
4th has 5
5th has 4
6th has 3
7th has 2
8th has 1
8*7*6*5*4*3*2*1=40320 ways
Answer:
y = - 8
Step-by-step explanation:
