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valkas [14]
3 years ago
14

There are 3 different roads from city a to city b and 2 different roads from city b to city

Mathematics
1 answer:
Nat2105 [25]3 years ago
7 0

3\cdot2=6

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Solve the system of equations.
guajiro [1.7K]

Answer:

Option 2: (1, 0) and (0, -5)

Step-by-step explanation:

Let's solve this system of equations using the elimination method.

Start by labelling the two equations.

5x -y= 5 -----(1)

5x² -y= 5 -----(2)

(2) -(1):

5x² -y -(5x -y)= 5 -5

Expand:

5x² -y -5x +y= 0

5x² -5x= 0

Factorise:

5x(x -1)= 0

5x= 0 or x -1= 0

x= 0 or x= 1

Now that we have found the x values, we can substitute them into either equations to solve for y.

Substitute into (1):

5(0) -y= 5 or 5(1) -y= 5

0 -y= 5 or -y= 5 -5

y= -5 or -y= 0

y= 0

Thus, the solutions are (0, -5) and (1, 0).

3 0
2 years ago
What is the answer I need this to be right (n)=3.5 that’s all it gave me HELP
masha68 [24]

Answer:

I think it's 3.5, but this information is super vague, so try to uhh scroll down to see if there's more information

Step-by-step explanation:

3 0
2 years ago
Someone help please? I’m bad at math.
vichka [17]
Answer B: The graph crosses the y-axis at (0,5), increasing form x=-10 to x=2 and remaining constant from x=2 to x=10. 
3 0
3 years ago
Read 2 more answers
If a+b+c=0 for a,b,c then prove a²/bc+b²/ca+c²/ab=3.
Ierofanga [76]
According to the identity if a+b+c=0
then a3+b3+c3=3abc
a3+b3+c3/abc=3
a2*a/bc*a+b2*b/ca*b+c2*c/ab*c=3
cancel a,b,c in   all the fraction then you get
<span>a²/bc+b²/ca+c²/ab=3. 
</span>hence proved


5 0
3 years ago
Which of the following is a solution to this inequality? y&gt;1/2x+2
Travka [436]

I need help with this asw

5 0
3 years ago
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