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lutik1710 [3]
3 years ago
13

How do you solve: 1.10x-10+30=12x-42.15x+5+22x+4=1203.40+9x-2=20x+5

Mathematics
1 answer:
yarga [219]3 years ago
8 0
1. x=12 i think
2. x=3
3. x=3
i hope this helps
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A store has a sale on t-shirts and jeans, in which t-shirts cost $4 and jeans cost $15. If the store wants to sell more than $80
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Answer:

I think its D

Step-by-step explanation:

It is between A&D but it just depends on if it says equal to or not and if not then it's D


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4. Can two lines be parallel and perpendicular? Explain.
lidiya [134]

Answer: No

Step-by-step explanation: First, we need to understand that parallel lines are coplanar lines that do not intersect. On the other hand, perpendicular lines are lines that intersect at a right angle.

However, lines can't be both parallel and perpendicular because they either intersect each other at a right angle or never intersect.

So no, two lines can't be both parallel and perpendicular.

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Can anyone help me solve all of this? Please help
disa [49]
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The width of a rectangular swimming pool is 16ft. The diagonal of the swimming pool is 34 ft. What is the length of the swimming
kobusy [5.1K]
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Example 2
Arada [10]

Answer:

y=x-2

Step-by-step explanation:

If you have drawn the graph of y = x^2 - 3x + 1.

To determine the equation of the line which  should be drawn to solve the equation:  x² - 4x +3=0

Simply carry out the subtraction: x^2 - 3x + 1 -(x^2 - 4x +3)

\implies x^2 -3x + 1-x^2 + 4x -3 \\= x^2 - x^2+ 4x - 3x-3  + 1\\=x-2

The equation of the line which should be drawn is: y=x-2

What this means is simply:

If

y = x^2 - 3x + 1$ and $y=x-2,$ then:\\x^2 - 3x + 1=x-2\\x^2 - 3x + 1-x+2=0\\x^2 - 4x + 3=0

5 0
3 years ago
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