kaleykaley
kaleykaley
14-04-2019
Mathematics
contestada
Answer!!!!!!!!!!!!!and explain plz
Respuesta :
jackie3811
jackie3811
14-04-2019
D
add 49 to both sides to get x by itself
x^2 - 49 = 0
+49 +49
square root both sides to get rid of the square
√x^2 = √49
x= ±7
since both -7 and 7 are square roots to 49, it’s D
Answer Link
VER TODAS LAS RESPUESTAS ( 13+ )
Otras preguntas
The graph below represents the number of books Jaleel has read over the past x weeks. Books Read A graph with weeks on the x-axis and number of books on the y-a
find the exact value without a calculator cos π\8= cos π/4/2
state five reasons on the Achievement of Dr komeNkrumah
How can you contribute for your nation in the future? Write in brief.
Can someone please help me with this? Can someone please explain too? It's a little bit urgent, please help. Thank you.
Is true live story about Cynthia
What is the factored form of 250x^3 − 16? A. 2(5x − 2)(25x2 + 10x + 4) B. 2(5x + 2)(25x2 − 10x + 4) C. (5x − 2)(25x2 + 10x + 4) D. (5x + 2)(25x2 − 10x + 4)
Name any two mountaineer district of Lumbini province?
Write a letter to your friend describing how you saved a child who was in danger
if image of a point (4,6) under enlargement with centre (0,0) and scale factor 'k' is (2,3) find value of k