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
Law Incorporation [45]
2 years ago
13

Complete the steps in solving the quadratic function 7x – 9 = 7x2 – 49x by completing the square.

Mathematics
1 answer:
Lena [83]2 years ago
6 0

Answer:

it's actually 28+/-√721/7

Step-by-step explanation:

You might be interested in
The volume of water remaining in a hot tub when it is being drained satisfies the differential equation dV/dt = −3(V)^1/2 , wher
dimaraw [331]
The given function is a variable separable differential equation. Combine like terms, integrate, apply the appropriate limits, and express V in terms of t. This is done as follows:

dV/dt = -3(V)^1/2
dV/-3V^1/2 = dt
\int\limits^V_m { \frac{1}{03 \sqrt{V} } } \, dV = \int\limits^t_0 {} \, dt

m here is the initial V which is 225. Then after integrating,

-2/3 (√V - √225) = t
-2/3 (√V - 15) = t

V= \sqrt{ \frac{-3}{2}t+15 }

That is the expression for V at time t. I hope I was able to help. Have a good day.
5 0
3 years ago
-40+8p-3z identify the coefficents and like terms
Oxana [17]

Answer:

there are no like terms in this so thats your answer

Step-by-step explanation:

7 0
2 years ago
Antonio wants to purchase new Beats and a new iPod. The Beats he wants cost $299 and
storchak [24]
$299 and $199 adds up to 498, including the tax rate 7.5% and your total is $535.35
3 0
3 years ago
Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 40 feet. Use the formula for the surface ar
Neko [114]
S=4\pi r^2\ \ \ and\ \ \ S=40\ [feet]\ \ \ \Rightarrow\ \ \ 4\pi r^2=40\ /:4\pi\\ \\r^2= \frac{10}{\pi} \ \ \ \Rightarrow\ \ \ r= \sqrt{ \frac{10}{\pi}} \ \ \ \Rightarrow\ \ \ \ r\approx1.78\ [feet]
7 0
3 years ago
All of the following expressions have the same value, except . . .
miss Akunina [59]

Answer: -3/7- 4/7

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Oranges are sold in a supermarket at £1.42 per KG.
    11·1 answer
  • Explain how you know weather to add or subtract when you use the distributive property to multiply
    12·2 answers
  • What is ​ 7/25 ​ written as a decimal?
    14·2 answers
  • 12=r+6-2r so what is r
    14·1 answer
  • Complete the table, show your work :)
    6·2 answers
  • What is the common<br> ratio for this geometric sequence?<br> 16,8, 4, 2, ..
    10·1 answer
  • A group of eight friends (five girls and three boys) plans to watch a movie but they have only five tickets how many different c
    11·1 answer
  • Question 2 of 10
    13·1 answer
  • Which set of numbers could be the length of the sides of a triangle?
    15·2 answers
  • I need help pleaseeeee
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!