Answer:
B
Step-by-step explanation:
x² + 9x
to complete the square
add ( half the coefficient of the x- term )² to x² + 9x
= x² + 2( )x + (
)²
= x² + 9x + ← the value of c
= (x + )² ← a perfect square
The weight of an object on Venus is about 9/10 it's weight on Earth and the weight of an object on Mars is about 2/5 it's weight
2 answers:
Answer: 85 pounds
Step-by-step explanation:-
Given : The weight of an object on Venus is about it's weight on Earth and the weight of an object on Mars is about
it's weight on Earth.
When somebody weighs 170-pound , then his weight on Venus will be :_
His weight on Mars will be :-
Then , the difference in the weight of a 170-pound person on Venus and Mars :-
Hence, the difference in the weight of a 170-pound person on Venus and Mars = 85 pounds
You might be interested in
Answer:
Step-by-step explanation:
Given
Required
Probability of selecting a yellow then orange rock
From the question, we understand that the probability is that of without replacement.
Since the yellow, is first picked.
We need to determine the probability of picking a yellow rock, first.
The rock has reduced by 1;
Next is to determine the probability of picking an orange rock
The required probability is calculated as thus: