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rusak2 [61]
3 years ago
7

Explain this please

Mathematics
1 answer:
Maksim231197 [3]3 years ago
7 0
There are 3 system of equations
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How many solutions are there to this system of equations?
Inessa05 [86]

Answer:

no solution

Step-by-step explanation:

the solution to a system of equations is at the points of intersection of the 2 lines.

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = \frac{1}{4} x - 4 ← is in slope- intercept form

with slope m = \frac{1}{4}

y = \frac{1}{4} x - 1 ← is in slope- intercept form

with slope m = \frac{1}{4}

• Parallel lines have equal slopes

then the 2 lines are parallel and never intersect.

Thus the system of equations has no solution

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3 years ago
A middle school band has 45 sixth and seventh graders The ratio of sixth to seventh graders is 2 to 3 how many sixth graders are
AnnyKZ [126]

Answer:

  18

Step-by-step explanation:

There are 2+3 = 5 ratio units representing 45 band members, so each ratio unit represents 45/5 = 9 band members.

The 2 ratio units of sixth graders represent 2×9 = 18 sixth grade band members.

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