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
Darina [25.2K]
3 years ago
8

Solve the quadratic equation x2−5x=−20 by completing the square.

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

x = \frac{5}{2} + \sqrt[i]{55}/2

You might be interested in
Please help!!!! i need it in this instant!!!
Feliz [49]

Answer: 14

Step-by-step explanation:

If they hit the ball 4/8 times, that equals 1/2, so we just multiply 1/2 (or 0.5) by 28 and you get 14 :)

8 0
3 years ago
Read 2 more answers
rhombus and a square have one and the same side of 6 cm. The area of the rhombus is 4/5 of the area of the square. Find the heig
siniylev [52]
Consider this option:
1. area_rombus=a*h, where a=6 - the length of the side, h - height.
h=area_rombus/a.
2. area_sq=a², where a=6 - the length of the square.
area_sq=36, area_rombus=4/5 *36=28.8.
3. according to the item 1 h=area_rombus/a=28.8/6=4.8.

answer: 4.8
6 0
3 years ago
Determine whether the function shown has an inverse function​
pychu [463]

Answer:

yes, it has an inverse

5 0
3 years ago
Read 2 more answers
Write and solve an equation to find the value of the variable.
Alisiya [41]
Well the first thing you have to do is find the sum of the numbers given. 5.2 + 8.3 + 8.5+ 7.7+ 7.8= 37.5

the equation would now be 37.5+y/6 = 7.1

After this you multiply 7.1 by 6 which is 42.6 turning the equation to 37.5 + y = 42.6.

Then you subtract 37.5 from 42.6 making y =5.1
6 0
4 years ago
Edmundo wrote the expression 4²-5•2³. What is the value of this expression
Sladkaya [172]
Let’s use PEMDAS

P: there are no parenthesis
E: the exponents need to be solved
4^2-5x2^3
16-5x8
M: we need to multiply 5 and 8
16-40
now we just need to do the rest
16-40=-24

-24 is your answer
5 0
3 years ago
Other questions:
  • Could someone help me with these two problems?
    12·1 answer
  • The ratio of trumpet players to tuba players at a high school is 5:2 Which statement is true?
    9·1 answer
  • What is 1\3 of 600 in fraction form
    11·2 answers
  • Need answer ASAP <br> *MARKING BRAINLIEST
    12·1 answer
  • Find all real fourth roots of 16.<br> 2 and -2<br> 4 and -4
    15·1 answer
  • Help meh ill mark plzzzzzzzzzzzzzzz
    8·1 answer
  • 4n+2p-10=-2n+8p+2 someone pls solve this!
    12·1 answer
  • Write the first six cube if natural number​
    10·2 answers
  • Please answer <br> ( will give brainlst)
    11·2 answers
  • Short Word Problem Please Help
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!