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yan [13]
3 years ago
10

I’m struggling need help

Mathematics
1 answer:
Lynna [10]3 years ago
8 0

Answer:

which class are you from

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Solve for x.<br><br> −4/5x+3/10&lt;8/10
Genrish500 [490]

Answer:

for (−4/5)x + 3/10 < 8/10:  solution is x > -5/8

for −4/(5x) + 3/10 < 8/10: solution is x > -8/5

Step-by-step explanation:

I'm not exactly sure if you mean -4 divided by 5x or (-4/5)x, so I've done both! :)

-\frac{4}{5}x+ \frac{3}{10} < \frac{8}{10}

subtract 3/10 from both sides:  -\frac{4}{5}x < \frac{5}{10}

Divide both sides by 4/5:  -x < \frac{5}{8}

Divide both sides by -1 (reverse sign):  x > -\frac{5}{8}

-\frac{4}{5x}+ \frac{3}{10} < \frac{8}{10}

subtract 3/10 from both sides:  -\frac{4}{5x} < \frac{5}{10}

Multiply both sides by 5x:  -4 < \frac{5}{2}x

Divide both sides by 5/2:  x>- \frac{8}{5}

6 0
2 years ago
Read 2 more answers
Carlos chooses 50 movies at random from a list of all his movies to determine the average runtime of the movies in his collectio
sveticcg [70]

Answer:

subtract the #

Step-by-step explanation:

7 0
3 years ago
Perpendicular to the line 2x + 3y = 12, passing through the point (7,3)
Hunter-Best [27]

Answer:

2y-3x+15 = 0

Step-by-step explanation:

let the equation of the perpendicular line: y=mx+c.

Given equation : 2x+3y=12

                         => y=-2/3 x+4

so the sope of the equation is m1= -2/3.

as the two lines are mutually perpendicular,

so, m1*m2=-1

     => (-2/3)*m2= -1

     => m2= 3/2

the paerpendicular line : y=(3/2) x+c.

this line pass through (7,3)

so, 3 = (3/2)*7+c

  => c = -15/2

so the perpendicular line y = (3/2)*x -15/2

                                       => 2y-3x+15 = 0

8 0
2 years ago
A model train is 6 inches the real train is 42 feet what is the scale factor in inches
fredd [130]

1 foot = 12 inches
42 feet = (42 x 12) = 504

The factor of (6 inches / 42 feet) is (6 inches / 504 inches) = 1 / 84 .

The scale factor is not in inches.  It's a factor, and has no units.
A 1-ft model would represent a real 84 feet.
A 1-meter model would represent a real 84 meters.
A 1-yard model would represent a real 84 yards.

7 0
3 years ago
Read 2 more answers
Write all the numbers that round to 50 80 and 240
Alla [95]
240: 35,236,237,238,239,241,242,243,244
6 0
3 years ago
Read 2 more answers
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