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
Allushta [10]
3 years ago
15

Multiple the binomials (x+3)^2

Mathematics
1 answer:
maxonik [38]3 years ago
8 0

Answer:

=x^2+6x+9

Step-by-step explanation:

\left(x+3\right)^2\\\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a+b\right)^2=a^2+2ab+b^2\\a=x,\:\:b=3\\=x^2+2x\cdot \:3+3^2\\\mathrm{Simplify}\:x^2+2x\cdot \:3+3^2:\quad x^2+6x+9\\x^2+2x\cdot \:3+3^2\\\mathrm{Multiply\:the\:num\\bers:}\:2\cdot \:3=6\\=x^2+6x+3^2\\3^2=9\\=x^2+6x+9

You might be interested in
- 2y + 3 = - 4y<br> The solution set is what???
lianna [129]

Answer:

Y=-3/2

Step-by-step explanation:

-2y+3=-4y

Move constant to the right  by adding its opposite to both sides

-2y+3-3=-4y-3

Eliminate the opposites

-2y=-4y-3

collect the like terms

-2y+4y

collect the like terms

(-2+4)y

Calculate the sum

2y=-3

divide both sides of the equation by 2

2y÷2=-3÷2

Any expression divided by itself equal 1

y=-3÷2

y=-3/2

8 0
2 years ago
Read 2 more answers
6x-5y=17 solve the system
pantera1 [17]
6x-5y=17
-6x -6x
__________
-5y= -6x+17
______________
-5


y=
\frac{6}{5 } x +   \frac{17}{ - 5}
4 0
3 years ago
A community swimming pool is 90 2/5 feet long and 55 1/2 feet wide. If Natalie swims the perimeter of the pool four times, what
Drupady [299]

Answer:

the right answer is 254

Step-by-step explanation:

902/5+551/2

=63.5

and Natalie swims the pool 4 times

therefore,

4×63.5=254

3 0
3 years ago
If you need 8 oz of chocolate chips to make 1.6 lb of cookie dough how many ounces of chocolate chips will you need to make 7 lb
iren [92.7K]

Answer:

3.5 Oz of chocolate

Step-by-step explanation:

1.6 lb of cookie dough is made from chocolate of 8 Oz

1 lb will be made by 8/ 1.6 = 0.5 Oz of chocolate

Therefore

7lb of cookie dough will be made from 7 * 0.5= 3.5 Oz of chocolate/

6 0
3 years ago
PLZ HELP A submarine is exploring the Pacific Ocean. At 502.5 feet below sea level, the water temperature is 63 1/4 °F. The subm
LenaWriter [7]
The submarine is now 617.5 feet below sea level, or at -617.5 feet. the temperature is now at 65 9/20

you have to add the first values with the second values :)
6 0
2 years ago
Other questions:
  • I WILL AWARD BRAINLIEST!! PLEASE HELP!!
    9·1 answer
  • Ron has a bag containing 3 green pears and 4 red pears he randomly selects a lead then randomly selects another pear without rep
    10·1 answer
  • What is the product of the fractions below? 5/2 · 3/4
    12·2 answers
  • Pls help me with this question and pls don't answer if you don't know the answer.
    8·1 answer
  • Aimee tossed a coin and spun a spinner that is divided into 3 equal sections. She did this 50 times.What is the experimental pro
    14·1 answer
  • Adrian has a points card for a movie theater.
    13·1 answer
  • A) 6 <br> B) 15 <br> C) 20 <br> D) 24 <br> E) 30
    10·1 answer
  • Solve the following system of equations:<br><br> x − 2y = 14<br> x + 3y = 9
    12·2 answers
  • Pls pls pls pls pls a Help me
    8·1 answer
  • Please help with this question
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!