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
Aleks [24]
3 years ago
13

Solve x^2+ 4x =15 thxssss

Mathematics
1 answer:
dmitriy555 [2]3 years ago
7 0

Answer:

x=3/5

Step-by-step explanation:

x^2+4x=5

x+4x=5x

5x+2=5

-2 -2

5x=3

divide 5 from each side

5/5x=3/5

<u>x=3/5</u>

You might be interested in
Help a fellow out please
Liula [17]

Answer:

24.27 cm

Step-by-step explanation:

sin 65 degrees = 22/x, so:

      1                   x

------------------ = ------

 sin 65 deg       22

so x = 22 / (sin 65 deg) = 22/0.906 = 24.27 cm

8 0
3 years ago
Describe fully the single transformation that maps triangle a onto triangle b
mamaluj [8]

Answer:

reflection of Δa about y=2 results in Δb

Step-by-step explanation:

6 0
3 years ago
A technician is launching fireworks near the event of a show. Of the remaining 11 fireworks, 4 are blue and 7 are red. If she la
SpyIntel [72]

\displaystyle |\Omega|=\binom{11}{6}=\dfrac{11!}{6!5!}=\dfrac{7\cdot8\cdot9\cdot10\cdot11}{2\cdot3\cdot4\cdot5}=462\\ |A|=\binom{4}{2}=\dfrac{4!}{2!2!}=\dfrac{3\cdot4}{2}=6\\\\ P(A)=\dfrac{6}{462}=\dfrac{1}{77}\approx1\%

8 0
3 years ago
4x^2-25=39<br> Solve for x
pashok25 [27]

Answer:

u can find the answer in calculate

8 0
2 years ago
Read 2 more answers
What is the volume of the cylinder below? Use 3.14 for x and round to the nearest tenth.
sdas [7]
The last one 1,459.3
8 0
3 years ago
Other questions:
  • ALOT OF POINTS, Please help it’s due it 2 minutes
    12·1 answer
  • #10 solve the equation 1/3m - 7 = 5
    12·1 answer
  • Convert 80km to meters
    5·1 answer
  • What is the slope .
    8·1 answer
  • What is 1/4 equal to?
    11·2 answers
  • A particular telephone number is used to receive both voice calls and fax messages. Suppose that 25% of the incoming calls invol
    12·1 answer
  • 8TH GRADE MATH! You dont have to explain it if you dont want to :&gt; but i fr need help
    12·1 answer
  • Hurryy pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
    8·1 answer
  • What is the x-intercept of the equation 4x - 5y = - 20
    11·1 answer
  • What is 5 1/4 ➗ -2 1/2 equal to?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!