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adoni [48]
3 years ago
9

What is one of the steps when solving the system by elimination -4x-10y=-28 4x+7y=22 a -3y=-6 b 4x=22 c 4x=-6 d 3y=-6

Mathematics
1 answer:
Arlecino [84]3 years ago
7 0

Answer Put the equations in Standard Form.

Step-by-step explanation:

Step 1: Put the equations in Standard Form. Step 2: Determine which variable to eliminate. Step 3: Add or subtract the equations. Step 4: Plug back in to find the other variable.

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In a classroom of 20 students, 70% of them have brown eyes. If a teacher picks two students at random to pass out supplies, what
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James has 3 blueberry pies. He cuts each pie into twelfths.<br> How many pieces will he have?
kondaur [170]

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Step-by-step explanation:

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5 0
3 years ago
‼️‼️‼️‼️HELP‼️‼️‼️‼️‼️‼️‼️
Vesnalui [34]

Michael took the return trip at a velocity 33.75 miles per hour.

<h3>How fast did Michael drive in his return trip?</h3>

Let suppose that Michael drove in <em>straight line</em> road and at <em>constant</em> velocity. Therefore, the speed of the vehicle (v), in miles per hour, can be defined as distance traveled by the vehicle (d), in miles, divided by travel time (t), in hours.

First trip

45 = s / 3     (1)

Second trip

v = s / 4       (2)

By (1) and (2):

45 · 3 = 4 · v

v = 33.75 mi / h

Michael took the return trip at a velocity 33.75 miles per hour.

To learn more on velocities: brainly.com/question/18084516

#SPJ1

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2 years ago
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