That is called supplementary angles, so they add up to 180 degrees
So it would be 57 + x + 23 = 180
Add 57 and 23, which is 80, subtract that from 180, and you would get
x = 100
This is the answer -166+-18x. If you have a TI-83 Texas Instruments calculator go to the program and the go to the a program and enter the numbers into the calculator then it gives you the answer at the bottom of the screen
Answer:
3.142 ft^2
Step-by-step explanation:
A=pi*r^2
A= 3.14 * 1
Answer:
360 ft^2
Step-by-step explanation:
The surface area of a right square pyramid can be found using the formula:
In this formula:
- a = base edge (the length of the sides of the square)
- h = height of the pyramid
In this diagram, the base edge length is 10 ft and the height of the square pyramid is 12 ft. Substitute these values into the formula to find the surface area.
Simplify this expression. Start by evaluating the exponents then rewrite the expression.
Now evaluate inside the radical sign.
Multiply 2 and 10 together (we're following the rules of PEMDAS).
Find the square root of 169 then multiply that by 20.
Finish the problem by adding 100 and 260 together.
The surface area of the pyramid is .
Answer:
A. Y = -6X + 9
Step-by-step explanation:
Solving for y, we can find the slope of the given line. It is the coefficient of x, 1/6.
-12y = -2x -1
y = 1/6x +1/12
The perpendicular line will have a slope that is the negative reciprocal of this:
m = -1/(1/6) = -6
The y-intercept will be the y-value corresponding to x=0. That value is b=9, given to us by the point the line is to go through. So, we have the slope-intercept form ...
y = mx + b
y = -6x + 9