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ser-zykov [4K]
3 years ago
8

!!!!How many solutions does the equation have?

Mathematics
2 answers:
Margaret [11]3 years ago
3 0
No solution bc the equations aren't equal to each other
aalyn [17]3 years ago
3 0

Answer:

one solution since it's a lender equation

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Hace 5 años la edad de un joven era 1/3 de la edad del papá y dentro
Marta_Voda [28]

Answer:

respuesta el joven tiene 15 y el padre 30

8 0
3 years ago
The area of a square is
harkovskaia [24]

square has 4 equal sides

so A = 144 =  12^2

A = L x W

= W. W

= W^2

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7 0
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8 0
3 years ago
X + 5y = 28 2x + 3y = 21 Solve for x and y.
snow_tiger [21]
First what we gonna do is solve for y.
x+5y=28 Subtract 5y both sides.
  -5y  -5y
x=-5y+28 Then you have to replace x with the equation.
2(-5y+28)+3y=21 Multiply.
-10y+56+3y=21 Combine like terms and subtract 56 both sides. 
       -56        -56
-7y=-35 Divide -7 both sides.
y=5 Simplify.
x=-5(5)+28 Multiply and add.
x=-25+28
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6 0
4 years ago
Two balls A and B rotate along a circular track. Ball A makes 4 full rotations in 120 seconds. Ball B makes 3 full rotation in 6
lara [203]
Find the rate in which both balls make one full rotation around the track.

Ball A:

120 / 4 = 30

It takes 30 seconds for Ball A to make a full rotation.

Ball B:

60 / 3 = 20

It takes 20 seconds for Ball B to make a full rotation.

Find the least common multiple of 20 and 30 to find the time at which they'll meet.

Multiples of 20: {20,40,60}
Multiples of 30: {30,60}

60 is the least common multiple of both 20 and 30.

The balls will meet again at 60 seconds.
5 0
3 years ago
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