Answer:
72 degrees
Step-by-step explanation:
Because you want subtract both of the number from 180 because triangles angles always have to equal 180 degrees. I hope that helped! :)
Answer: 
Step-by-step explanation:
The missing figure is attached.
The perimeter of a rectangle is:

Where "l" is the lenght and "w" is the width.
You can identify in the figure that:

Then, knowing the perimeter of the rectangle, you can make the subsitution into the formula:

Now you must simplify and solve for "z"

Finally, substituting the value of "z" into
, you get:

Answer:
? = 1
Step-by-step explanation:
3/8r - 1/4r + 2s
= 3/8r - 2/8r + 2s
= 1/8r + 2s
Answer:
first one:4/10
second one: 8/24
Step-by-step explanation:
i think this works but a hundred 100% sure though.
here you go hope its correct.
Answer:
<h2>
t10 = - 2¹⁹= -524288</h2>
Step-by-step explanation:
t1=2
t2=-8
r=t2/t1=-8/2=-4
t10=t1*r⁹
t10=2*(-4)⁹= -2*(2²)⁹
t10= -2¹⁹= -524288