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SIZIF [17.4K]
3 years ago
14

Solve each by elimination 4x - y = 105 x + 7y = -10

Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0

Answer:

point form:

(25, -5)

Equation form:

x= 25, y= -5

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25 ≥ 5u u = 5<br><br> True of false ( show work )
iris [78.8K]

Answer:

true

Step-by-step explanation:

plug in u. u=e

25>= 5x5

25>=25

true

6 0
3 years ago
Eight less than four times a number is less than 56.What are the possible values of that number
Gemiola [76]
We have the next inequation
8-4x<56

-4x<56-8
-4x<48
-x<48/4
-x<12
x>-12

Solution: x>-12  or  (-12,+∞)
4 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

3 0
2 years ago
1/4 kilometer = how many meters
Alchen [17]
The answer to your question is
1/4 kilometer = 0.25 kilometers = 250 meters

You answer is 250 meters
3 0
3 years ago
Please help quickly 15 POINTS
DedPeter [7]
37.88888888 and it just keep repearing so there is no right answer dont foeget to mark me as the best answer
5 0
3 years ago
Read 2 more answers
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