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
mixas84 [53]
3 years ago
10

PLS HELP ASAP WILL MARK BRAINLIEST

Mathematics
2 answers:
Rudik [331]3 years ago
4 0

Answer:

k = - 12.56 or k = 0.56

Step-by-step explanation:

Given

k² + 12k = 7

To complete the square

add ( half the coefficient of the k- term )² to both sides

k² + 2(6)k + 36 = 7 + 36, that is

(k + 6)² = 43 ( take the square root of both sides )

k + 6 = ± \sqrt{43} ( subtract 6 from both sides )

k = - 6 ± \sqrt{43}, thus

k = - 6 - \sqrt{43} ≈ - 12.56 or k = - 6 + \sqrt{43} ≈ 0.56

Lady_Fox [76]3 years ago
3 0
Yes he will



Because math is cool
You might be interested in
If B represents the event that a 3 is rolled on a 6-sided die, then what statement best describes B?
olga nikolaevna [1]

Answer:

1/6 chance

Step-by-step explanation:

a six sided die has 6 numbers, there is an equal chance that any of them can be rolled. 3 is one of those numbers. B=1/6 chance

8 0
3 years ago
Is -77 a integer? Anyone help pls
maria [59]

Step-by-step explanation:

yeah -77 is an integer

A whole numbers with + or - sign is an integer

3 0
3 years ago
Read 2 more answers
Addy bought a new shirt and she had a 20% off coupon . The coupon took $8.25 off of the price of her shirt. What did she pay wit
zloy xaker [14]

Answer:

$33

Step-by-step explanation:

Given: Addy had 20% off coupon.

           The coupon took $8.25 off of the shirt price.

Lets assume the original cost of shirt be "x".

We know Addy had 20% off coupon, which help to reduce the price of shirt by $8.25.

∴ We can form an equation to know the original price of shirt.

⇒\frac{20}{100} \times x= \$ 8.25

⇒\frac{1}{5} \times x= \$ 8.25

Multiplying both side by 5

⇒x= 8.25\times 5

∴ x= \$ 41.25

Hence, The original cost price of shirt was $41.25.

Next, finding the price paid by Addy for her new shirt by reducing coupon discount from the cost of shirt.

Price paid by Addy for her new shirt= \$ 41.25- \$ 8.25= \$ 33

Hence, Addy paid $33 for her new shirt.

8 0
3 years ago
???????????????????help
Simora [160]

Answer: 10

Step-by-step explanation:

add 2.75 to 0

4 0
2 years ago
Read 2 more answers
Find the distance between the pair of points: (4,0) and (2,-1)
Marysya12 [62]
The distance is 2.23606 (2.24 rounded)
6 0
1 year ago
Other questions:
  • Find the distance between each pair of points. Round your answer to the nearest tenth, if necessary.
    6·1 answer
  • Can anyone explain how to find slope?
    13·2 answers
  • Explain it " if you know that 7x8=56, how can you use the commutative property of multiplication to find the product of 8x7"
    15·1 answer
  • 5. what’s the transformations change the graph of f(x) to the graph of g(x)?
    9·1 answer
  • See the attached photo
    15·2 answers
  • The sum of one half and one third, halved<br> 5th grade explation
    9·1 answer
  • Glenda makes an online purchase of 4 picture frames for $12.95 each and 4 mats for $5.89 each. The site says that taxes paid by
    12·1 answer
  • PLEASE HELP ME WITH THIS!!!!!!!!!!!!!!!!!!
    8·1 answer
  • Help me I got 25 missing assignments
    12·2 answers
  • A cube has a side length of 5 centimeters. What is its surface area of the cube?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!