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3 years ago

Solve | − 9 | − | − 4 | =

Mathematics

2 answers:

777dan777 [17]3 years ago

6 0

Answer: 5

Step-by-step explanation:

First of all, keep in mind that absolute value of any real number (positive and negative) is always positive because it stands for the distance from zero, and distance will never be negative.

i.e. |x|=x, |-x|=x

-------------------------------------------

|-9|-|-4|

=9-4

Hope this helps!! :)

fiasKO [112]3 years ago

6 0

Answer:

$\huge \boxed{5}$

Step-by-step explanation:

$|-9|-|-4|$

Apply rule : $|-a|=a$

$9-4$

Subtract.

$=5$

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shutvik [7]

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8 0

3 years ago

Read 2 more answers

Isaiah And Cooper work at a dry cleaner Ironing shirts.isaiah can iron 25 shirts per hour, and Cooper can iron 30 shirts per hou

neonofarm [45]

Answer:

Step-by-step explanation:

340/25 = 13.6 = 13 hours and 10 min

30 x 13.6 = 408 hours

25x+30y= 340 and y=2x can be used to determine the number of hours cooper worked and the number of hours isaiah worked. Where x Isaiah 's working hours and y is cooper's working hours.

Step-by-step explanation:

Isaiah ironing rate per hour = 25 shirts

Cooper ironing rate per hour = 30 shirts

Total shirts pressed = 340

Let,

Isaiah´s number of hours = x

Cooper's number of hours = y

According to given statement;

25x+30y=340 Eqn 1

Hudson worked twice many hours as grace.

y = 2x Eqn 2

Keywords: linear equations, variables