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Dvinal [7]
3 years ago
8

Find the solutions of the system: y = 2(5)-x and x + y = 2

Mathematics
1 answer:
bixtya [17]3 years ago
7 0
The two equations in y-intercept form are:
y=-x+2 and y=-x+10

You have to graph them to find the solution, which is the point they intercept each other.

Both lines have the same slope so they will never intercept which means they have no solution.

So, the answer is no solution.

I hope that helps!
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Prove that the diagonals of a rectangle bisect each other.
Umnica [9.8K]

Answer:

2

Step-by-step explanation:

example A(2a,0),B(2b,0)

C(2b,2c),D(2a,2c)

mid point of AC=((2a+2b)/2,(0+2c)/2)=(a+b,c)

mid point of BD=((2b+2a)/2,(0+2c)/2)=(a+b,c)

∴midpoint of diagonals same or diagonals bisect each other.

7 0
3 years ago
44) The difference of two numbers is 76. The second number is 20% of the first number. What are the numbers?
Nina [5.8K]

Answer:

C

Step-by-step explanation:

Not A b/c the difference b/w 85 and 17 is not 76

Not D b/c the difference b/w 97 and 17 is not 76

Not B b/c 16 is not 20% of 92

By the process of elimination the answer is C

3 0
3 years ago
I need an equation for: what number is 70% of 120
kifflom [539]
You'll have to multiply 0.7 by 120.

120*0.7 = n

n is the number that is 70% of 120

120 * 0.7 = 84

Hope this helps :)
8 0
3 years ago
Read 2 more answers
Attila the Hun was a ruler of the Hunnic Empire. The Romans feared him greatly until his death since he made quite a habit of in
Bas_tet [7]
The inequality would be x > 453 because any year after he died would be more than the year he died. 
Also, if it helps, I think of inequalities as an alligator's mouth, trying to eat the bigger quantity. 
Hope this helps!
8 0
3 years ago
Determine the ordered pair that satisfies the equation, 5x + 2y = 7.
AveGali [126]

Answer:

None of the first 4 do. so I guess the answers E.

Step-by-step explanation:

8 0
3 years ago
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