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
joja [24]
3 years ago
9

What are the solutions to the equation y2 – 1 = 48?

Mathematics
1 answer:
Furkat [3]3 years ago
6 0

{y}^{2}  - 1 = 48 \\  {y}^{2}  = 49 \\ y =  \sqrt{49}  \\ y =  - 7 \: or \: 7

{y}^{2}  - 1 = 24 \\  {y}^{2}  = 25 \\ y =  \sqrt{25}  \\ y =  - 5 \: or \: 5

Hope this helps. - M
You might be interested in
F(x)=x²-x-1 What is the average rate of change of f over the interval -1 ≤ x ≤ 1?
Elena-2011 [213]

Answer: -1/2

Step-by-step explanation:

The average rate of change is \frac{f(b)-f(a)}{b-a}. Since a=-1 and b=1. We can plug them into the equation and solve.

\frac{[1^2-1-1][(-1)^2-(-1)-1)]}{1-(-1)} =\frac{(-1)(1)}{2} =-\frac{1}{2}

3 0
4 years ago
Simplify -3/5 + 13/55
trasher [3.6K]

Answer:

-4/11 or -0.36363

Step-by-step explanation:

;)

5 0
3 years ago
Read 2 more answers
Prove segment BD = segment CA
Nostrana [21]

Answer:

it is equal because in a rectangle there is a property: opposite sides are equal so BD=CA

Step-by-step explanation: PLS MARK BRAINLIEST

4 0
3 years ago
Read 2 more answers
Find the sales tax....
zalisa [80]

Answer:8.75

Step-by-step explanation:

4 0
3 years ago
Three times a number is three more than twice the number. Which equation can be used to find the value of x, the unknown
Mamont248 [21]

Answer:

The first option: 3x = 3 + 2x

Step-by-step explanation:

The question answers itself. In short:

x is our unknown number.

If three times a number (3x) is (=) three more (3) than (+) twice the number (2x).

7 0
3 years ago
Other questions:
  • I am 28,086. If I have 16 ones, how many tens do I have left?
    9·1 answer
  • Can you PLEASE help me!! And show me how you got the answer
    5·1 answer
  • This question is confusing to me
    12·1 answer
  • How do you represent real-world problems involving ratios and rates with tables and graphes
    9·1 answer
  • If you purchase a DVD player that costs $625, and the tax rate is 8%, how much will it cost?​
    13·2 answers
  • When i solve peoples questions they say i like your name xD lol
    7·1 answer
  • Find the diameter of a circle with a radius of 13 ft.
    10·1 answer
  • Whats 10x30 im stuck on it
    9·2 answers
  • A line passes through the point (-1, - 8) and has a slope of -6. Write an equation for this line.In slope intercept form
    10·2 answers
  • A polynomial function is represented by the data in the table. choose the function represented by the data.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!