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
Basile [38]
4 years ago
14

What equation results from completing the square and then factoring? x^2 +4x=5

Mathematics
1 answer:
Free_Kalibri [48]4 years ago
4 0

Answer:

A. (x+2)^2 = 9

Step-by-step explanation:

To complete the square, you add the square of half the x-coefficient.

... x^2 +4x +(4/2)^2 = 5 + (4/2)^2

... x^2 +4x +4 = 9

Factoring gives you ...

... (x +2)^2 = 9 . . . . . . matches selection A

You might be interested in
Hey here is my question. So if you have 20 legos and your sister has 10 legos how many more legos do you have than her? fr.ee po
just olya [345]

Answer:

I guess the best answer is 10

Step-by-step explanation:

because 20-10 is 10

8 0
3 years ago
Read 2 more answers
Find two positive numbers whose product is 36 and whose sum is a minimum.
alukav5142 [94]
Let one of the numbers be x. The other number cab then be represented as 36-x (x+36-x = 36).
The product can then be represented as y = x(36-x) or y=36x-x2

The maximum or minimum is always on the axis of symmetry which has the formula x=-b/2a.
In our case, the axis of symmetry is -36/-2, so x=18.

If one number is 18 and the 2 numbers add to 36, the other number is 18 as well.
So the 2 numbers are 18 and 18 and the maximum product is 324,
8 0
3 years ago
Answer the following 4 questions CORRECTLY I will know if this is wrong. I WILL REPORT ANY INCORRECT ANSWERS!
Shkiper50 [21]

1. A) 5 (It would be B. because it does equal 4.09 but it has to be 5 because it is the greatest integer in all of them)

2. D) 10 (Just like 1. it would be B. also BUT 10 is the greatest integer you can have out of all of them)

3. A) 6 (Just like the other 2 problems at the top^ it would be C. if not for the fact it has a higher number.)

4. A) A value we can put in place of a variable (such as x) that makes the equation true.

8 0
3 years ago
Read 2 more answers
Rcent Change and Error with Magic Picture
Ostrovityanka [42]

Answer:

5.5%

Step-by-step explanation:

4 0
3 years ago
Use the confidence level and Sample data to find the margin of error E. Round your answer to the same number of decimal places a
Ivenika [448]

Answer:

A) 2.6 mm Hg

Step-by-step explanation:

Margin of error = critical value × standard error

ME = CV × SE

n > 30, so we can approximate CV with a normal distribution.  At P = 94%, CV = 1.88.

SE = σ / √n

SE = 13.5 / √92

SE = 1.41

So the margin of error is:

ME = 1.88 × 1.41

ME = 2.6

8 0
3 years ago
Other questions:
  • Solve the following real-life problems.
    7·1 answer
  • A nonrenewable energy source is one that
    15·1 answer
  • X-6<br> Use the expression X+4<br> How many excluded value(s) are there?
    9·2 answers
  • Solve for the 2 unknowns: 3y + 3x =24<br> 6y+3x = 39
    8·1 answer
  • What is the slope of the line
    10·1 answer
  • Which fraction is represented by point A on the number line?
    15·1 answer
  • A computer shop sold 400 computers last month. And 523 computers were sold this month. What is the percentage increase?
    7·2 answers
  • There are many cylinders with radius 6 meters. Let h represent the height in meters and V represent the volume in cubic meters.
    11·1 answer
  • A, B &amp; C form a triangle where Z BAC = 90°.
    10·2 answers
  • Write a cosine function that Has a midline of 2 an amplitude of 3 and a period of 7pi/4
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!