Answer:
For the first question, the answer is 4/3. For the second it is 16.
Step-by-step explanation:
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Its 16x^2 i'll give explanation in a second
Answer:
15 kg
Step-by-step explanation:
Radius of a solid sphere : mass of a solid sphere
3 cm : 9 kg
Find the mass of a sphere of the same material of radius 5 cm
Radius of a solid sphere : mass of a solid sphere
5 cm : x kg
Equate both ratios to find x
3 cm : 9 kg = 5 cm : x kg
3/9 = 5/x
3 * x = 9 * 5
3x = 45
x = 45/3
x = 15 kg
The mass of a sphere of the same material of radius 5 cm is 15 kg
Answer:
The rocket will hit the floor at 9.57 seconds
Step-by-step explanation:
Given
Take off height = 30ft
Initial velocity= 150ft/s
Required [Missing from the question]
Time to hit the ground
The rocket will hit the ground at:
So, we have:
Rewrite as:
Solve using quadratic formula, we have:
Where:
So, we have:
Split:
Time cannot be negative;
So:
<em>Hence, the rocket will hit the floor at 9.57 seconds</em>
Answer:
Step-by-step explanation:
Spend on advertising = $25000
32 patrons per $100
<u>Number of patrons:</u>
<u>Sales amount:</u>
<u>Increase in sales excluding advertisement cost:</u>
- $600000 - $25000 = $575000