Answer:
(½x+½y)²=6
Step-by-step explanation:
x^2 + y^2 = 14, xy=5
(A+B)^2=A^2 +2AB+B^2... (*)
(1/2x+1/2y)^2 =(*)
(1/2x)^2 +2(1/2x)(1/2y)+(1/2y)^2 =
1/4x^2 +1/2xy+1/4y^2=
1/4(x^2 +y^2) +1/2(xy)=
1/4*14+1/2*5=
14/4+5/2=
14/4+10/4=
24/4=6
Answer:
the 3 pieces are 5.16ft each and the 14% that he cut off is 2.52 ft
Step-by-step explanation:
the 14 % that he cut off is 2.52ft
he has 15.48ft left
15.48/3=5.16
To find the surface area of a rectangular prism or cube, you would do height*width*2+height*length*2+length*width*2.
Answer:
5130
Step-by-step explanation:
You just multiply 513 by 10 to get 5130.
You can check this answer by just seeing if it fits the requirements, which it does. Making it the correct answer.
June has 30 days
so 70% of 30 were sunny
0.70(30) = 21 days <==