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
kirill115 [55]
2 years ago
15

What is the midpoint between -11 and 26 on the number line? 15 8.5 7.5 18.5

Mathematics
1 answer:
olga2289 [7]2 years ago
6 0
7.5 
-11 + 26 is 15. 15 divided by 2 (finding the midpoint of the two numbers) is 7.5. 
You might be interested in
The difference of a number and 10 is equal to eleven times the number
Levart [38]

Answer:

let the number be x

x-10=11*x

x-10=11x

-10=11x-x

-10=10x

x= -10/10

x= -1

7 0
3 years ago
How many real solutions does this system of equations have? x^2 + y^2 = 36
Vinvika [58]

Answer:

C:  there are two real solutions

Step-by-step explanation:

x^2 + y^2 = 36 is the equation of a circle centered at the origin and with radius √36, or 6.  Even a rough sketch of this circle would enable you to visualize what is happening here.  

3x – y + 1 = 0 may be solved for y:  y = 3x + 1.  The y-intercept of this straight line is (0, 1).  Plot this point inside the circle of radius 6 mentioned above and then draw a straight line with slope m = 3 through it.  This line will intersect the circle in two places; they represent real solutions.

Alternatively, substitute 3x + 1 for y in x^2 + y^2 = 36:

x^2 + (3x + 1)^2 = 36, or

x^2 + 9x^2 + 6x + 1 = 36, or

10 x^2 + 6x + 1 - 36 = 0, or

10 x^2 + 6x - 35 = 0.  This is a quadratic equation.  We'll use the quadratic formula to find solutions which represent the intersections of this line with this circle:

The coefficients are a = 10, b = 6 and c = -35.  Thus, the discriminant is

b^2 - 4ac, or 6^2 - 4(10)(-35), or 1436.  

Because the discriminant is positive, we can safely conclude that there are two real solutions, that is, two different, real x-values, each representing the x-coordinate of a point of intersection of the circle and the line.

The correct answer to this prolem is C:  there are two real solutions.

4 0
3 years ago
Finding the Equation of a Line from a Graph and a Table <br><br> plz help me
Leni [432]

Answer:

slope (m)= 1/2

y-intercept: (0, -1)

equation: y=\frac{1}{2}x-1

Step-by-step explanation:

slope is \frac{rise}{run\\}=\frac{1}{2}

y-intercept is where the line crosses the vertical axis (y-axis) so its (0, -1)

using point slope form:

y-y1=m(x-x1)

y-(-1)=1/2(x-0)

y+1=1/2x

y=\frac{1}{2}x-1

5 0
3 years ago
19x+46=<br> help meeeeeeeeeeee
strojnjashka [21]

Answer:

u just add it

Step-by-step explanation:

3 0
3 years ago
WILL MARK BRAINLIEST TO THE FIRST PERSON!!!!
xxTIMURxx [149]

Answer:

I think the answer is 105

7 0
3 years ago
Other questions:
  • distribute $3,680 among Tom, Jenney and Bob so that Jenny receives three times as much as Bob and Tom recaives twice as much as
    15·1 answer
  • GRADUATING THIS WEEK NEED THIS ALL ANSWERED
    6·2 answers
  • What is 2/6 equal to
    8·2 answers
  • If a 32 ft rope is cut into 2 sections with one section 7times as long as the other section how long is the shorter piece?
    7·1 answer
  • The work of a student to find the dimensions of a rectangle of area 8 + 16x and width 4 is shown below:
    13·1 answer
  • What happened between 5;2;-1;-4
    7·1 answer
  • Need help now please answer
    6·1 answer
  • Can someone help me on this?
    10·1 answer
  • (-4) ( ? ) = -20 <br> please help
    9·2 answers
  • A line passes through (1,6) and has a slope of 9
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!