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
shtirl [24]
2 years ago
5

Solve the equation x2 - 2x - 7= 0 by usingthe quadratic formula.​

Mathematics
1 answer:
natita [175]2 years ago
4 0

B is the correct choice

You might be interested in
Find the area of a circle circumscribed about an equilateral triangle whose side is 18 inches long
beks73 [17]

let's recall that an equilateral triangle has all interior angles of 60°.

Check the picture below.

so as you can see, 2√3 = x = r, namely the radius of the circle.

\bf \textit{area of a circle}\\\\ A=\pi r^2\qquad \qquad \implies A=\pi (2\sqrt{3})^2\implies A=\pi (2^2)(\sqrt{3})^2\implies A=12\pi

7 0
3 years ago
Solve R = <br> 1 + 3w/<br> 2<br> for w.
Georgia [21]

Answer:

R=7

Step-by-step explanation:

R=1+3w

This is a classic substitution question.

Just replace the w with 2.

R = 1+3(2)

You only need to multiply 3 with 2.

R = 1 + 6

R= 7

7 0
3 years ago
Victor is a mechanic who wants to ensure he has enough funds during his old age. Which account will be of benefit to Victor?
vitfil [10]

Answer:

D.  

individual retirement account

Step-by-step explanation:

The account that will be beneficial to Victor, to ensure he has enough funds during his old age, is the  individual retirement account(IRA).

5 0
3 years ago
Read 2 more answers
4x 10x h = 4x<br> h = 10x
s2008m [1.1K]

Step-by-step explanation:

the answer would be 40 4x 10x h = 4x

5 0
2 years ago
Can anyone help me with this math question
Igoryamba

Answer: C.

Step-by-step explanation: if you add 25.50 to every number it makes sense, since the decimal went from .25 to .75.

6 0
2 years ago
Read 2 more answers
Other questions:
  • PLEASE HELP ME ON THESE PROBLEMS, ITS URGENT! (Help for any of these would be greatly appreciated!)
    9·1 answer
  • What is the answer for m+4=-12
    5·2 answers
  • Order these numbers from least to greatest. 4811 , 4.626 , 5.63 , 9320
    5·1 answer
  • The symbol dg stands for
    11·2 answers
  • Which graph represents the function y= 2x-4?sty すす0-3xits : :os : ;-32pr ftーVetーTT it tie。pttーT-it-T +--+-
    6·2 answers
  • 3x/4y • -8x/9 find the product. Simplify the answer.
    9·1 answer
  • What is 13/6 as a decimal fraction???Thanks✌!!!??
    5·2 answers
  • Rosa made a mosaic wall mural using 47 black tiles, 36 blue tiles and 17 red tiles.
    12·1 answer
  • Genesis has a points card for a movie theater.
    13·2 answers
  • The price of the product decreased by 10%and then decreased by 20% . calculate total percentage change between the final and ini
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!