Step-by-step explanation:
the lateral area of the cone is, well, the lateral area.
the total surface area of the cone is the lateral area plus the area of base circle.
so, the difference between both is the area of the base circle :
120pi - 70pi = 50pi
the area of a circle is
pi×radius²
and that is in our case
pi×radius² = 50pi
radius² = 50
radius = sqrt(50) = 7.071067812... ≈ 7.1 units
therefore, C is the right answer.
1. To find the x-intercept, replace y in the equation with 0, then solve for x.
... To find the y-intercept, replace x in the equation with 0, then solve for y.
If the equation is easily put into the form
... x/a + y/b = 1
Then the x-intercept is "a" and the y-intercept is "b".
2. Let's graph 3x+4y = -12.
If we divide the equation by -12, we can put it into the form
.. x/(-4) + y/(-3) = 1
This equation has x-intercept -4 and y-intercept -3.
(If you know the intercepts, you can simply draw the line through them to graph your linear equation.)
Answer:
GOOD LUCK TO HIM AND YOU!! YOU GOT THIS!!! Be sure to have fun though.
Answer:
12
Step-by-step explanation:
(x-1)+(y+1)+(z-1)
= x -1 + y + 1 + z - 1
= x + y + z -1
= (x + y + z) -1
given that x+y+z = 13, substitute this value into the equation aove
(x + y + z) -1
= 13 - 1
= 12
Answer:
Remainder is 425
Step-by-step explanation:
Let the two numbers Marsha has be A & B
From the question, we have the first equation as
A ÷ 70 = 64
Multiply both right and left sides by 70, we have:
A = 70 * 64 = 4,480
A = 4,480
From the question, we have the second equation as:
B ÷ 105 = 99
Multiply both left and right sides by 105, we have:
B = 105 * 99 = 10,395
B = 10,395
Remainder = (A + B) ÷ 35 = (4,480 + 10,395) ÷ 35
Remainder = 14,875 ÷ 35 = 425
Remainder = 425
