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jameskarbar9p8c9d2
11.03.2021 •
Mathematics
The line represented by the equation 4y + 2x = 33.6 shares a solution point with the line represented by the table below. The solution for this system is:
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Ответ:
(6.0)(5.4)
Step-by-step explanation:
First we have to find the equation of the line represented in the table; for that we have to find it's slope and it's y-intercept and then write it in the following form:
The slope of the line we get from first two points:
thus we have
we find by putting the point into the function:
Thus we have
Now we have to find where this line intersects with ; to do this we just substitute with :
We have the x-coordinate of the intersection.
We find the y-coordinate by substituting into :
Ответ:
C. π(2ft)²(10ft) + 1/3π(2ft)²(13ft-10ft)
Step-by-step explanation:
Given:
diameter = 4ft
length of the cylindrical part = 10ft
entire length of the silo = 13ft
Find the volume of the silo = volume of cylinder and volume of the cone
Formulas:
Volume of cylinder: πr²h
Volume of come: 1/3πr²h
2ft= radius
height =10
volume π×2²×10
radius 2ft
height 13-10=3ft
Volume= 1/3×π×2²×3 cube feet
Therefore the third answer is correct: C. π(2ft)²(10ft) + 1/3π(2ft)²(13ft-10ft)