avocado3569
avocado3569
09-05-2017
Mathematics
contestada
slove this question c^2-81=0
Respuesta :
bcalle
bcalle
09-05-2017
To solve a square root, get the ^2 on one side and the 81 on the other side.
add 81 to both sides.
c^2 = 81
to clear the power of 2, take the square root of both sides.
c = + - sqrt81
c = + - 9
c = 9 and c = -9
Answer Link
VER TODAS LAS RESPUESTAS ( 53+ )
Otras preguntas
Find the surface area of a cylinder with a diameter of 34 and height of 10. Use 3.14 for π. Round your answer to the nearest tenth.
What developments in the late 1880s and mid-1890s demonstrated the increasing interest of the United States in Latin America?
an organelle that appears as a stack of flattened membranes; it modifies, sorts, and packages proteins and other materials from the ER for storage in the cell o
How is personal and academic writing similar
What does the notation Rr mean to geneticists?A-heterozygous allelesB-homozygous allelesC-dominant allelesD-recessive alleles
Is 5x+2=5x+2 answer many solutionsdose 5x+2=2x+5 answer one solutionis 5x=5x+2 equal no solutin
What was a political machine? How does it work?
an organelle that appears as a stack of flattened membranes; it modifies, sorts, and packages proteins and other materials from the ER for storage in the cell o
what is 1+2+3+4+5 all the way plus 99+100?I'm in 3rd grade advanced math and I need help!
Which of the following is the best evidence that digestion involves chemical change? A Time is required to accomplish results. B The products’ mass equals the r
