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
Alisiya [41]
3 years ago
10

What number should be added to the expression x2 + 12x to change it into a perfect square trinomial? (a.6 ( b.18 (c.12 (d.36

Mathematics
1 answer:
dlinn [17]3 years ago
3 0
Hello : 
x²+12x =x²+2(6)(x)
            = x²+2(6)(x) +6²-6²
            = (x-6)² -6²........ (answer : d ; 36)
You might be interested in
How many Tables are needed to make a long table that will seat 22 people
nignag [31]
How long are the tables
6 0
3 years ago
Twice a number increased by 10 is 4. Find the number
Serjik [45]

Answer:

negative 3

Step-by-step explanation:

so if you know basic algebra you can make an equation 2x+10=4 simplify it to x+5=2 and if you subtract 5 from both sides you end up with x=negative three

3 0
3 years ago
What are the solutions of x^2-2x+17=0
andriy [413]

Answer:

This equation has no real solutions, because the discriminant is less than zero.

Step-by-step explanation:

no solution

5 0
3 years ago
A gallon of water weighs 8 1/3 lb. How much does 1 1/5 gallon of water weigh?
ioda
<span>A gallon of water weighs 8 1/3 lb
</span><span>1 1/5 gallon....................? lbs

</span>8 1/3 * 1 1/5
= 25/3 * 6/5
= 10 

answer : <span>1 1/5 gallon of water weighs 10 lbs</span>
7 0
3 years ago
Read 2 more answers
Bought 8 gallons of gas for $22.32 how much would I pay for 11 gallons
Dmitrij [34]

Answer:

$30.69

Step-by-step explanation:

22.32/ 8 = 2.79

11 x 2.79 = 30.69

5 0
3 years ago
Other questions:
  • What is the sum of the terms of the series (−1) + (−2) + (−3) + . . . + (−10)?
    12·1 answer
  • 570 divided by 94 what is the answer
    6·2 answers
  • What is the solution of the system? Use elimination. <br> 3x - 4y = 9<br> -3x + 2y = 9
    8·2 answers
  • A map has a scale of 1 in. : 25 mi. Two cities are 175 mi apart. How far apart are they on the map?
    5·1 answer
  • The area of a square can be found using the equation A= s2, where A is the area and S is the measure of one side of the square.
    11·1 answer
  • The sum of three numbers is 73. The second number is equal to the first number diminished by 7. The third number is five times t
    6·1 answer
  • How do I solve -24x+6y=18;-8+2y=6 by using the system of elimination?
    5·1 answer
  • 1. Find the mean for 2, 5, 9, 4
    8·2 answers
  • What are the coordinates of point A? <br> A. (4.5,1)<br> B. (4.5,0.5)<br> C. (5,0.5)<br> D. (5,1)
    5·1 answer
  • Need help fast! Solve for y and a if possible please
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!