Answer:
The intersecting point is (-3,-2).
Step-by-step explanation:
The given equations are :
2x−y+4=0
2x−y=-4 .....(1)
x+y=-5 .....(2)
Adding equations (1) and (2).
2x+x = -4-5
3x=-9
x = -3
Put the value of x in equation (2).
-3+y=-5
y = -5+3
y = -2
Hence, the intersecting point is (-3,-2).
Answer:
Correct volume = 100.48 cm³
Step-by-step explanation:
The formula for finding the volume of a cone is:
V = πr²(h/3)
r - Radius
h - Height
V - Volume
To find the correct volume of the cone, we just need to input the measurements into their respective places in the formula and solve. Your work should look similar to the following:
V = πr²(h/3)
V = π(4)²(6/3)
V = π(16)(6/3)
V = π(16)(2)
V = π(32)
V = 100.48 cm³
(You can use the work shown above to find Joan's mistake in her work.)
~Hope this Helps!~
Answer:
4x - 5y = 10
Step-by-step explanation:
Any line parallel to 4x - 5y = 35 will have the same equation EXCEPT that the constant will be different.
Starting with 4x - 5y = 35, replace x with the given x-coordinate -5 and the given y-coordinate -6, and finally the given 35 with the constant C:
4(-5) - 5(-6) = C, or
-20 + 30 = C. Thus, C = 10, and the equation of the new line is
4x - 5y = 10
X=2
I have an image showing all work
7.90 not 100 percent sure though.
