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
Alinara [238K]
3 years ago
10

Write a quadratic equation in standard form that has two solutions, 9 and -2

Mathematics
1 answer:
guapka [62]3 years ago
3 0
(x - 9)(x + 2) = 0
x^2 + 2x -9x -18 = 0
x^2 - 7x - 18 = 0
You might be interested in
T=r/r-3<br> make r the subject of the formula
bonufazy [111]

Step-by-step explanation:

T=r/r-3\\T+3=r/r\\(T+3)*r=r\\r=(T+3)*r

3 0
3 years ago
Calculate the circumference of the cirlce r=2.5 m
dlinn [17]
C= 2 \pi *R&#10;&#10;C= 2 \pi *2,5&#10;&#10;C= 5 \pi
4 0
4 years ago
Read 2 more answers
Find the valu<br> B<br> 6<br> 8<br> A<br> Х<br> D<br> 4<br> С<br> x = [?]
AnnyKZ [126]

Answer:

hmm... A is the answer but if anything comes up tell me

8 0
3 years ago
At the north campus of a performing arts school, 10% of the
Alecsey [184]

There were 600 students at the north campus and 400 students at the south campus.

<h2 /><h3><u>Calculus</u></h3>

To determine, if 42% of the 1000 students at the east campus are music majors, how many students did the north and south campuses have before the merger, the following calculation must be performed:

  • 0.10X + 0.90Y = 420
  • 1000 x 0.42 = 420
  • 500 x 0.10 + 500 x 0.90 = 50 + 450 = 500
  • 600 x 0.10 + 400 x 0.90 = 60 + 360 = 420

Therefore, there were 600 students at the north campus and 400 students at the south campus.

Learn more about calculus in brainly.com/question/6581270

7 0
2 years ago
If 8=10 and 1=7,which describes all the lines that must be parallel?
agasfer [191]

Answer:

C

Step-by-step explanation:

For the above statement to hold we must have two sets of parallel lines; that is:

r and s , and then t and u.

These lines form corresponding and alternate angles.

6 0
3 years ago
Other questions:
  • eric has practiced more than 40 hours with his band. Write an inequality to express this situation. On the graph below, graph Er
    15·1 answer
  • Helpppppp! Is geometry
    6·1 answer
  • I dont understand how to do this ​
    10·1 answer
  • Jane buys a bag of 15 tangerines for $2.85 find the unit price in dollars per tangerine if necessary round your answer to the ne
    13·1 answer
  • Find the surface area of the square pyramid
    5·1 answer
  • Help me please y=-3x-4 A.(-2,4) B.(-3,5) C. (-2,4)(-3,5) D.Neither
    10·2 answers
  • Pls help me with b and c. Also, use the 1/2 cup over 1/8 cup too for the answer and question. It is 25 points if you answer.
    15·1 answer
  • Answer pls lol. also please make sure to explain it!
    6·1 answer
  • POINT GIVE AWAY h3bchj3cbjhmjcbwbcwhmdbcwbc
    13·2 answers
  • Algebraic expression for the sum of a number squared and thrice a number
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!