1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
oksano4ka [1.4K]
3 years ago
9

Solve. x^2 - 49 = 0 A) ±49 B) ±12 C) ±7 D) ±6

Mathematics
2 answers:
xeze [42]3 years ago
7 0
(X+7)((x-7)

This is call the difference of squares because there is no middle number and the last number is a square like 7×7 is 49
X+7=0. X-7=0
X=-7. X=7
C
zlopas [31]3 years ago
3 0
The answer is c
x^2 = 49
x = √49
√49 = ±7
You might be interested in
A scuba diver was swimming at a depth of 8 meters below the surface of the water. He saw an eel swimming 3 meters above him and
Trava [24]
You have to do 8-3 
and 8-3=5
so the answer is 8-3=5
6 0
3 years ago
Read 2 more answers
Talia spent 3/4 of this week's allowance on candy. Of the money she spent on candy, 5/6 was spent on gummy bears. What fraction
Anna71 [15]
<span>Tabia spent 15/24 of this week's allowance on gummy bears. She can calculate that by multiplying 3/4 times 5/6. To do that, she multiplies the top numbers of each fraction together (3 times 5 equals 15), and to get the top number of the fraction. Then she multiplies the bottom numbers together (4 times 6 equals 24) to get the bottom number.</span>
3 0
3 years ago
Rewrite 302+40=342 in a different way, using the commutative of addition
bagirrra123 [75]

Answer:

40+32=342

Step-by-step explanation:

Using the commutative of addition change the position of 302 and 40 the expression is 40+302=342 [analysis]

7 0
1 year ago
HELP ME PLEASE I NEED HELP WITH THIS
fenix001 [56]

Answer:

V = 82,406.16 cm³

Step-by-step explanation:

Volume of a sphere

V = 4πr³/3

V = 4•3.14•27³/3

V = 247,218.48/3

V = 82,406.16 cm³

6 0
2 years ago
Fine the domain and range of the relation, and indicate whether or not it is a function.<br> Y=2x+3
lilavasa [31]
It's a non-constant linear function, so both the domain and the range are all real numbers.
8 0
3 years ago
Other questions:
  • PLEASE HELP ASAP 25 POINTS
    10·2 answers
  • Can someone plz help.
    9·1 answer
  • PC-CSIL
    8·1 answer
  • Simplify the expression, 2+10x+8<br> *2-16
    13·1 answer
  • Solve for <br> 2(-6y+29)-4y=-6
    11·1 answer
  • Use the drop down menus to indetify the roots in these english words retainer inductive convivial typography
    5·1 answer
  • Describe the relationship between n and 4 that will make the value of the expression 7x n/4 greater than 7
    5·1 answer
  • What is the slope of the line through the points (-2,-1) and (8,-3)?
    11·2 answers
  • Sara’s hair was 25 inches long. Three years later it was 43 inches long. What was the percent increase rounded to the nearest hu
    6·1 answer
  • (a)<br>What is the greatest odd number that can be formed using the digits 3, 8, 2 and 5?​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!