30% of the 30 marbles is nine and 9-30 = 21 so your answer is 21
Answer:
144 it is D
Step-by-step explanation:
Answer:
p ≥ 53
Step-by-step explanation:
Answer:
desmos
Step-by-step explanation:
trrytt dessmooossgnbtbfbrb
Answer:
a ≈ 5.3
Step-by-step explanation:
Using Pythagoras' theorem
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
a² + 6² = 8², that is
a² + 36 = 64 ( subtract 36 from both sides )
a² = 28 ( take the square root of both sides )
a =
≈ 5.3 ( to the nearest tenth )