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
Andrej [43]
3 years ago
8

Following solutions to this equation?

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
3 0

Answer:

Step-by-step explanation:

hello :

x²+6x+9 = 20

(x+3)²-20 = 0

(x+3)²-√20 = 0

(x+3-√20)(x+3+√20)=0

x+3-√20=0   or    x+3+√20=0

x = -3+√20   or x = -3-√20    answer  B

You might be interested in
The ratio of an object's weight on Earth to its weight on Mars is 5 to 2. How much would a man, who weighs 145 pounds on Earth,
butalik [34]
To answer this youd have to set up a proportion. 5/2 is the ratio of weight on earth and mars respectively. The other side has to have the same ratio where 125lbs is the weight on earth and x is the weight on mars. The equation would look like 5/2=125/x. Youd have to cross multiply, and would get (125)(2)=5x. Solve for x to find the weight on mars
6 0
3 years ago
Look at this graph:
Lorico [155]
Y = 30/20x + 20
( i haven’t done this in a while but i’m pretty sure this is right)
4 0
3 years ago
Read 2 more answers
Solve the following systems of linear equations using the substitution method
Bess [88]
X= 1
y=-2
this is the answer
5 0
3 years ago
What is y - 3y please ​
tatyana61 [14]

Answer:

<u>=-2y</u>

Step-by-step explanation:

y-3y

<u>=-2y</u>

5 0
2 years ago
Samantha works at a nursery, where she pots plants. it takes her 1 1/2 hours to pot 12 plants.
nignag [31]

Answer:

She could plant 9 plants.

Step-by-step explanation:

1 1/2 hours = 90 minutes, so 12 plants per 90 minutes. Which would mean 6 plants per 45 minutes. So in between 45 and 90 minutes (1 hour), and in between 6 and 12 plants (9).

Sorry if you didn't understand, I'm bad at explaining.

4 0
2 years ago
Other questions:
  • Sam loves to read. The longest time it ever took her to finish a book was 23 hours. The shortest time was 1 hour and 5 minutes.
    10·2 answers
  • Mike is 5 years old and Randy is 8 years old. Select all proportional relationships that have the same ratio to that of Mike and
    10·1 answer
  • In a group of kangaroos, the two lightest kangaroos weigh 25% of the total weight of the group. The three heaviest kangaroos wei
    12·1 answer
  • Kia thinks that every number has at least two factors. Which explains whether Kia is correct?
    9·2 answers
  • A parallelogram with a base of x units and a height of y units is changed
    9·1 answer
  • A man is standing next to a tree. The shadow cast by the tree is four times longer than the man’s shadow. If the man is 2 meters
    15·1 answer
  • Find the value of x in the given
    14·1 answer
  • A plush toy weighed 1/6 of a pound. If a box can hold 5 pounds, how may plush toys could the box hold? HELP ANSWER QUICK
    5·1 answer
  • 3.) Planet Fitness charges a yearly fee of $50 plus $20 each
    10·1 answer
  • Which expressions are equivalent to 2(4f+2g)-
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!