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
Norma-Jean [14]
3 years ago
8

What are the solution(s) of x^2-4=20?

Mathematics
1 answer:
Pie3 years ago
4 0

x^2-4=20\qquad|+4\\\\x^2=24\to x=\pm\sqrt{24}\\\\x=-\sqrt{4\cdot6}\ \vee\ x=\sqrt{4\cdot6}\\\\x=-2\sqrt6\ \vee\ x=2\sqrt6

You might be interested in
Help me plz NO LINKS
kiruha [24]
Y=2
Since the table (y) increase by 2 each time the answer would be y=2
8 0
2 years ago
11
Natalka [10]
Your answer is $7.50x=90
3 0
3 years ago
A central angle measures 270 degrees . If the radius of the circle is 12 cm , what is the length of the arc intercepted by the c
ahrayia [7]

Answer:

12 R cm

Step-by-step explanation:

4 0
3 years ago
I need help i need to simplify 7(2y+1)+3y
Artist 52 [7]

Simplified form : 17y + 7

5 0
3 years ago
Read 2 more answers
Which transformation will map figure Q onto figure Q’
Ilya [14]

Answer:

11 units i think

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Please help with the image!! Use the Exterior Angle Theorem to find the measure of each angle. 83 points!!!!!!
    14·2 answers
  • If 45 cookies will serve 15 students, how many cookies are needed for 30 students
    14·2 answers
  • Brian has a bag that contains 14 red marbles and 12 yellow marbles. He selects a marble at random, and then, without replacing t
    11·1 answer
  • William gave 4 football cards to each of the 6 friends.Suppose he had 54 cards left. Write and solve an equation to find how man
    14·2 answers
  • It costs a family of two $25 to go to the state fair, and a family of six $65. Find the equation, rate of change, and initial va
    14·1 answer
  • Solve the exponential equation: 6–2x = 62 – 3x
    14·1 answer
  • A new bank customer with $4,500 wants to open a money market account. The bank is offering a
    10·2 answers
  • A farmer has the same number of chickens, cows and goats. Together, all these animals have 210 legs. How many chickens live on t
    13·2 answers
  • Someone please help me, I’m stuck!
    9·2 answers
  • Help<br><br><br> .........................................
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!