It would be 15 because the way you would set it up is equal to 180 because they are opposite and they have to add up to 180 in order for the whole shape to be 360. so 3x+9x=180 and then 12x=180 and divide 180 by 12 which is 15 and you can also plug in 15 to check
Hey!!
here is your answer >>>
the original price is $90 and Maggie paid 80% of it!. which means ,
paid = (80/100)90
=> $72
Hope my answer helps!
Answer:
Step-by-step explanation:
Pythagorean theorem works for right triangles a²+b² = c²
The Pythagorean theorem might be easier to understand written like this ......
(side 1)² + (side 2)² = (hypotenuse)² hypotenuse is c in this diagram
it can also be written like this just flipping both sides (they are still equal)
(hypotenuse)² = (side 1)² + (side 2)²
using algebra to solve for the hypotenuse
hypotenuse = √[ (side 1)² + (side 2)²] remeber hypotenuse = c
c = √[ (side 1)² + (side 2)²] rewritten with c instead of hypotenuse
= √[ 4² + 3² ]
= √( 16 + 9 ]
= √(25)
What number is the square root of 25?
Or what number times itself equals 25?
Your chooses were ...... A B C or D
A 5x5 = ?
B 7x7 = ?
C 16x16 = ?
D 15x15 = ?
