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guapka [62]
3 years ago
13

Solve the following linear inequality: 3(x + 4) ≥ 5x – 123

Mathematics
2 answers:
Tpy6a [65]3 years ago
6 0
3(x+4)\geq5x-123\\3\cdot x+3\cdot4\geq5x-123\\3x+12\geq5x-123\ \ \ \ /-12\\3x\geq5x-135\ \ \ \ /-5x\\-2x\geq-135\ \ \ /:(-2) < 0\ then\ "\geq"\ change\ "\leq"\\x\leq67.5\\\\x\in(-\infty;\ 67.5 >
bagirrra123 [75]3 years ago
3 0
3(x + 4) \geq 5x - 123 \\&#10;3x+12\geq5x-123\\&#10;2x\leq135\\&#10;x\leq\frac{135}{2}&#10;
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HOW DO I FIND THE SLOPE OF A LINE PERPENDICULAR TO EACH GIVEN LINE???
Paul [167]

Answer:

Slope intercept formula is Y=MX +B

Step-by-step explanation:

so all you need to do is put the equation in that Form

THE SLOPE WOULD BE -8

5 0
2 years ago
I need help with this rq
Vesnalui [34]

Answer:

228.4

Step-by-step explanation:

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7 0
2 years ago
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you need 1661.06 ft2 of carpet to completely cover the floor or a round room. what is the diameter of the room.
k0ka [10]

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Step-by-step explanation:

6 0
3 years ago
Kind of confused on this question, please help
Wittaler [7]

Answer:

4th option

Step-by-step explanation:

The equation of a line in slope- intercept form is

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

y = \frac{3}{5} x - 6 ← is in slope- intercept form

with slope m = \frac{3}{5}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{\frac{3}{5} } = - \frac{5}{3}

The equation of a line in point- slope form is

y - b = m(x - a)

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Here m = - \frac{5}{3} and (a, b ) = (- 2, 5 ) , then

y - 5 = - \frac{5}{3} (x - (- 2) ) , that is

y - 5 = - \frac{5}{3} (x + 2)

8 0
2 years ago
The bill for the repair of a computer was $179. The cost of part was $44, and labor charge was $45 per hour. How many hours did
Cloud [144]
Alright! First you'd subtract the amount of the part ($44) from your total ($179), then you'd divide by the rate of cost ($45). Your equation would be:
($179 - $44) ÷ $45 = h.

Then you solve:
($179 - $44) = $135
($135 ÷ $45) = 3
h = 3.

The answer is 3 hours.
4 0
3 years ago
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