Answer:
16.49
Step-by-step explanation:
21^2 - 13^2 = 272
square root 272 = 16.49
It would be : -9.3 , -4.125 and -2.25.
Hope This Helps You!
Good Luck Studying :)
Answer:
c. 2+2 is 4 - 1 thats 3 quick mafs
Answer:
Step-by-step explanation:
3 1/2 x 1 2/3 = 35/6
6 x 5 + 5 = 35/6
Answer:
x=4.0625 cm
Step-by-step explanation:
The Pythagorean theorem states that the square of the hypotenuse of a right triangle equals the sum of the squares of the two legs.
Not knowing which is the hypotenuse, lets assume that (x+5)cm is the hypotenuse:
(x+5)^2= 9^2+(x-3)^2
(x^2+10x+25)=81+(x^2-6x+9)
x^2+10x+25=81+x^2-6x+9
16x=65
x=4.0625
Checking:
(4.0625+5)^2=9^2+(4.0625-3)^2
82.1289=82.1289
