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
garik1379 [7]
3 years ago
11

Use completing the square to solve this quadratic equation. Check all that apply.

Mathematics
1 answer:
saveliy_v [14]3 years ago
5 0

The answer is A and B.

Download xls
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> xls </span>
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> xls </span>
You might be interested in
Type the correct answer in each box. Round your answers to the nearest tenth.
Alexxandr [17]
To find the length of the ladder, you need to do Pythagorean theorem.
50^2 + 30^2 = x^2
2500 + 900 = x^2
x^2 =3400
x= square root of 3400
58.31 OR 10 root34

To find the angle: 
tan theta = opposite/adjacent
50/30 = 5/3
theta = tan inverse of 5/3
= 59.04
6 0
4 years ago
Please help and fast
Oksana_A [137]

Answer:

216 in squared

Step-by-step explanation:

using the formula, a cube has six sides so 6 squared is 36 times 6 equals to 216

4 0
3 years ago
Solve the system of equations using substitution method<br>x=y+2<br>x+2y=5<br>PLEASE HELP!!​
nlexa [21]

Answer:

x=1

y=-1

Step-by-step explanation:

x = y+2

x+2y = 5

y+2 +2y = 5

3y +2 = 5

3y = 3

y=1

x=-1

6 0
3 years ago
Read 2 more answers
If i have a 91% in a class and i got a 78% on a test, and the test is 20% of my grade, what will my grade in the class be once t
Serggg [28]

Answer:

98%

Step-by-step explanation:

You add 78 and 20.

Tell me if it is wrong.

Thank you.

7 0
3 years ago
Read 2 more answers
(4x^4 - 14x^3 + 11) - (-14x^6 - 9x^5 - 12x^2) <br><br> Please simplify
yulyashka [42]
=<span><span><span><span><span><span>14<span>x^6</span></span>+<span>9<span>x^5</span></span></span>+<span>4<span>x^4</span></span></span>−<span>14<span>x^3</span></span></span>+<span>12<span>x^2</span></span></span>+<span>11</span></span>
4 0
3 years ago
Other questions:
  • Andrea and sula ran a race on a track that was 100 meters long.When andrea crossed the finish line sula was exactly 5 meters beh
    11·1 answer
  • Someone help me with this one pleaseeee
    7·1 answer
  • Solve the system using substitution.<br> 5x+ 4y = 10<br> 4x - y = 8
    6·2 answers
  • Peter bought 9 packs of pencils. Each pack has 10 pencils in it. If he lost 18 pencils, how many pencils
    8·1 answer
  • I thought of a number, I added 1 3 4 to it, then I multiplied the result by 2 2 11 and I got 8. What was my number?
    14·1 answer
  • A set of n = 15 pairs of scores (X and Y values) produces a correlation of r = 0.40. If each of the X values is multiplied by 2
    11·1 answer
  • What do I do with the x squared
    12·1 answer
  • Is15 a composite or a prime number
    6·2 answers
  • Please help me with this question it is due :) question 4.
    10·1 answer
  • The expression for perimeter of a rectangle<br> with a length of (x + 7) and a width of (2x)
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!