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3 years ago

How do you do solve one step inequalities

Mathematics

1 answer:

nekit [7.7K]3 years ago

7 0

Answer:

By shortening

Step-by-step explanation:

1. 5x>35 /5

x>5

2. 4x<8y+12 /4

x<2y+3

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16/5 x 36/12 x 25/18

solmaris [256]

Answer

$\frac{16}{5}$ * $\frac{36}{12}$ * $\frac{25}{18}$ = $\frac{4}{1} *\frac{2}{3} *\frac{5}{1}=\frac{40}{3} =13\frac{1}{3}$

Step-by-step explanation:

6 0

3 years ago

25 + 10(12 - x) = 5(2x-7)

ValentinkaMS [17]

I hope this helps you 25+10 (12-x)=5 (2x-7) 25+10.12-10x=5.2x-5.7 25+120-10x=10x-35 145-10x=10x-35 145+35=10x+10x 180=20x x=9

8 0

3 years ago

If mike read 30 pages an hour how long will it take him to read 1225 pages

Gnesinka [82]

Answer: 2450 min or 40hr and 50 min

Step-by-step explanation:

We can use a proportion to set up this equation.

$\frac{30 pages}{60 min} =\frac{1225 pages}{x min}$

We cross muliply so get our equation.

$30x=1225(60)\\$

$30x=73500$

$x=2450 min$

It took Mike 2450 min to read 1225 pages. We can also use a proportion to write this in hours

$\frac{60min}{1hr} =\frac{2450min}{x }$

$60x=2450$

$x=40 hr 50 min$

5 0

3 years ago

Convert $8.25 per hour to dollars per year , with work

Keith_Richards [23]

8.25*40= $330 a week

330*12= $3960 a year

3 0

3 years ago

Find the x-intercept and y-intercept of the line. -3x+6y=11

ryzh [129]

Answer:

x- intercept is at $( - 3 \frac{2}{3} ,0)$ .

y- intercept is at $(0,1 \frac{5}{6} )$ .

Step-by-step explanation:

The x-intercept occurs when y=0.

Thus, substitute y= 0 into the equation to find the x- intercept.

-3x +6y= 11

When y= 0,

-3x +6(0)= 11

-3x= 11

x= 11 ÷ (-3)

$x = - \frac{11}{3} \\ x = - 3 \frac{2}{3}$

The y-intercept occurs at x= 0.

When x= 0,

-3(0) +6y= 11

6y= 11

y= 11÷ 6

$y = 1\frac{5}{6}$

3 0

3 years ago