How to simplify 2(3-4a)+5(a-7)
2 answers:
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Answer: <em>A. 241 feet</em>
Step-by-step explanation:
<em>The figure shows two rectangular triangles. </em>
<em>These triangles are similar since they have two identical angles: </em>
<em>the first angle is 90 degrees; </em>
<em>the second angle is equal because the law of reflection states that the angle of incidence is equal to the angle of reflection. </em>
<em>The law of reflection states that the angle of incidence is equal to the angle of REFLECTION.</em>
<em>Let's make the proportion:</em>
<em /><em />
<em>It takes a minimum of 100 feet for a parachute to open and safely land without injury, so:</em>
<em>341.25 - 100 = 241.25 (feet)</em>
<em>241.25 ≈ 241 (feet)</em>
Answer:
Step-by-step explanation:
Given
Empty Tank
When filled with water, the height is:
Required
Determine how many more cubic inches needed
First, we calculate the difference between the height of the tank and the height of the water.
The volume of water to full the tank is then calculated as: