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 ( 46+ )
Otras preguntas
Can you please help me answer the questions down below. Pease read the text below to help you. Thank you so much! 2. How well does Sassoon think the war is bein
pls help…. quickkkkkkkkkkk
13 What is the equation of the line that has a slope of -3 and passes through the point (4,6)? A-3x+y=-14 B -3x+y=-6 C 3x+y=18 D 3x+y=22
A 2 kg ball is rolling down a hill at a constant speed of 4 m/s. How much kinetic energy does the ball have?
you eat 3/10 of a packet of donuts. your friend eats 1/5 of the pack of donuts. How much of the pack do you and your friend eat?
Is this a complete sentace, That cookie is almost as big as michael's head.
Which sentence below has correct subject/verb agreement? A. Readings historical fiction books is one of my favorite hobbies. B. Reading historical fiction books
Which direction does the decimal point move in when you divide by powers of 10 greater than 0?
There are 27 beads in a box. Lea 4 blue boxes, 9 yellow boxes 4 red boxes 2 silver boxes. Lea bought about beads
How did geography contribute to China’s development?
