3 years ago

What is the value of the expression |x| + |y + z| when x = –6, y = –3, and z = –5?

Mathematics

1 answer:

vovangra [49]3 years ago

6 0

|-6| + |-3 + (-5)|

6 + |-8|

6 + 8

14

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Step-by-step explanation:

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Answer:

(8; 4), (-6; -4) and (2; 8)

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3 years ago

1/2,1/3,1/8 find the sum

Zarrin [17]

Answer:

23/24

Step-by-step explanation:

To find the sum you must ad.

Fractions can only be added and subtracted when the denominators (the bottom numbers) are the same.

24 is the smallest number that 2, 3 and 8 go into.

1/2 = 12/24, 1/3 = 8/24, 1/8 = 3/24

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4 years ago

There are 765 marbles in a box. There are twice as many blue marbles as green marbles. There are three times as many red marbles

Digiron [165]

B=blue
g=green
r=red
2 times as many blue as green
b=2g
3 times as many red as blue
r=3b
subsitute 2g for b
r=3(2g)=6g
r=6g

r+g+b=765
so we subsitute
r=6g
g=g
b=2g

6g+g+2g=765
add like terms
9g=765
divide both sides by 9
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subsitute
b=2b
b=2(85)
b=170

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3 years ago

3x-9=-21 equation in words

sergeinik [125]

'nine less than three times a number is negative twenty-one.'

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