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Bad White [126]
4 years ago
12

Help please I don’t know how to do this

Mathematics
2 answers:
Ray Of Light [21]4 years ago
8 0

Answer:

5

Step-by-step explanation:

-10 +5=-5

it takes five lines on the number line to get from -10 to -5

Sveta_85 [38]4 years ago
5 0

Answer: 5


Step-by-step explanation: -10 + 5 = -5


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Find the slope of the line through each pair of points.<br> 11) (18,5),(-8, -15)<br> onu nositi
svet-max [94.6K]

Answer:

10/13

Step-by-step explanation:

(5 - (-15)) divided by (18 - (-8))

(5 + 15)/(18 + 8)

20/26 or 10/13

8 0
4 years ago
Find the value of x.
Karolina [17]

Answer:

x=60º

Step-by-step explanation:

Answer: x=60º

180º-60º=120º

2x=120º

divide by 2 on both sides

x=60º

8 0
2 years ago
Two equations for the constant of proportionality equal to 1/2
NemiM [27]

y=kx and y=\frac{k}{x} are two equations of constant of proportionality

Step-by-step explanation:

          There are two equations for the constant of proportionality. That is

                       (i) Direct proportion

                       (ii) Inverse proportion

          In direct proportion y=kx, Now

                  if x increases, then y also increases and if x decreases, then y also decreases. So, k is a constant proportionality.

         In Inverse proportion y=\frac{k}{x}, Now

                 if x increases then y decreases and if x decreases, then y increases and k is a constant proportionality.

         In direct proportion, we put y=1 and x=2, So k=\frac{1}{2}.

         So, the equations y=kx and y=\frac{k}{x} are two equations of constant of proportionality.

5 0
3 years ago
Describe the number of solutions for each system of equations graphed<br> below
abruzzese [7]
The solution of the system of equations means that following:
1- In case we are dealing with system of equations, the solution would be the point of intersection of the two graphs
2- In case we're dealing with only one equation, the solution would be the points of intersection of the graph with the x-axis

Graph (a):
The graph is for a system of equations (two lines). Therefore, the solution would be the point of intersection of the two lines.
From the graph, we can note that there is only one point of intersection between the two lines (-3,-1). Therefore, the system of equations has only one solution

Graph (b):
The graph is for a system of equations (two lines). Therefore, the solution would be the point of intersection of the two lines.
From the graph, we can note that the two lines are parallel. This means that they will never intersect. Therefore, the system of equations has no solutions

Graph (c):
The graph is for a single line. Therefore, the solution(s) would be the point(s) that make the overall equation equal to zero, i.e. point(s) of intersection with the x-axis.
From the graph, we can note that the line intersects with the x-axis only once at point (2,0). This means that the line has only one solution.

Hope this helps :)

5 0
4 years ago
Plz I will give brainliest
Katyanochek1 [597]

Answer:

3.......

Step-by-step explanation:

3

6 0
4 years ago
Read 2 more answers
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