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
Scorpion4ik [409]
3 years ago
15

91 more than the square of a number

Mathematics
1 answer:
abruzzese [7]3 years ago
5 0
91+ n squared (Squared mean to the power of 2)
You might be interested in
A coordinate plane with a line passing through (0, negative 4) and (2, 0). What is the equation of the graphed line written in s
kobusy [5.1K]
0 negative 4 eu acho amigo ok and (2,0)
5 0
2 years ago
Identify the equation of the circle that has its center at (9, 12) and passes through the origin.
LiRa [457]

Answer:  (x-9)^2 + (y-12)^2 = 225\\\\

This is the same as writing (x-9)^2 + (x-12)^2 = 225

========================================================

Explanation:

Any circle equation fits the template of (x-h)^2 + (y-k)^2 = r^2\\\\

The center is (9,12) which tells us the values of h and k in that exact order.

h = 9

k = 12

To find the radius r, we need to find the distance from the center (9,12) to a point on the circle. The only point we know on the circle is the origin (0,0).

Apply the distance formula to find the distance from (9,12) to (0,0)

d = \sqrt{ (x_1-x_2)^2+(y_1-y_2)^2}\\\\d = \sqrt{ (9-0)^2+(12-0)^2}\\\\d = \sqrt{ (9)^2+(12)^2}\\\\d = \sqrt{ 81+144}\\\\d = \sqrt{ 225}\\\\d = 15\\\\

The distance from (9,12) to (0,0) is 15 units. Therefore, r = 15

An alternative to finding this r value is to apply the pythagorean theorem. The distance formula is effectively a modified version of the pythagorean theorem.

---------------------

Since h = 9, k = 12 and r = 15, we can then say:

(x-h)^2 + (y-k)^2 = r^2\\\\(x-9)^2 + (y-12)^2 = 15^2\\\\(x-9)^2 + (y-12)^2 = 225\\\\

which is the equation of this circle.

4 0
2 years ago
Can anyone please tell me if they did this page and found the answers????
Setler [38]

Answer:

tor ba kita oisa kobic and yyio

8 0
3 years ago
A conductor is mapping a trip and records the distance the train travels over certain time intervals. time (hours) distance (mil
Alex73 [517]

Given:

Table of values.

The train travels at a constant speed.

To find:

The speed of train in miles per hour.

Solution:

From the given table consider any two points, i.e., (0.5,22.5) and (1,45).

The train travels at a constant speed. It means, there is a linear relationship between time and distance.

The average rate of change (Slope) of a linear relationship is

m=\dfrac{y_2-y_1}{x_2-x_1}

m=\dfrac{45-22.5}{1-0.5}

m=\dfrac{22.5}{0.5}

m=\dfrac{225}{5}

m=45

So, average rate of change in distance with respect to time is 45.

Therefore, the speed of the train is 45 miles per hour.

8 0
2 years ago
[-4 + n - 2n x 2n] + [ 2 - 5n - 6n x 6n]​
Kamila [148]

Answer:

- 2 - 4n - 8n²  

Step-by-step explanation:

thats ur anser

3 0
3 years ago
Other questions:
  • Write -33/12 as a mixed number in reduced form.
    12·2 answers
  • I NEED THIS DONE ASAP PLEASE
    15·1 answer
  • HELP ME ASAP PLEASE HURRY ​
    10·2 answers
  • X2 + 4x – 2 .
    6·1 answer
  • Please please help me on this i will be your friend and message you also
    15·1 answer
  • What is 2(3/5×15) ????????
    13·2 answers
  • Need help again... asap
    9·1 answer
  • The population of bacteria in an
    7·1 answer
  • Plz help with these 2 as well thx
    12·1 answer
  • Which relation is a function?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!