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Mandarinka [93]
3 years ago
12

What property is -4 + (-3/7)+(-4/7)+7

Mathematics
2 answers:
gizmo_the_mogwai [7]3 years ago
8 0
The answer is 2 but i'm not really sure about it
Rufina [12.5K]3 years ago
7 0
Commutative, it has parentheses and you do those first, hence moving around the equation
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A bag has 5 red marbles, 4 blue marbles, 8 green marbles, and 3 yellow
kozerog [31]

<u>Answer:</u>

  • 40% of the total marbles are green.

<u>Step-by-step explanation:</u>

Percentage: Green marbles/Total marbles

  • => 8/5 + 4 + 8 + 3
  • => 8/20

<u>Percentage formula:</u> \frac{a}{b} (100)<u />

  • => 8/20 x 100
  • => 8 x 5
  • => 40

Hence, 40% of the total marbles are green.

Hoped this helped.

BrainiacUser1357

7 0
3 years ago
HELP
NeX [460]



ANSWER IS 5




so
how many years ago=x
so
'in how many years ago (-x) was ethan 5 times older than son
40-x means ethan's age x years ago
12-x means son's age x years ago
so
ethan's age x years ago is 5 times as much as son's age 5 years ago

40-x=5(12-x)
distribute using a(b+c)=ab+ac
40-x=60-5x
add 5x
40+4x=60
subtract 40
4x=20
divide 4
x=5




ANSWER IS 5 years
6 0
4 years ago
Read 2 more answers
You want to rent a limousine for a trip to the city. The limo costs $700 for the night and $0.15 per mile. You have $750 to spen
Kryger [21]
The first thing I would do is write an expression for the amount the limo will cost in terms of the number of miles you drive.  In this scenario, the cost=.15(mile)+700.
Now is the question, should the limo cost more or less than $750 to stay on budget?  The answer is you should spend less than $750.  Thus, when writing the inequality, or .15m+700<750.  However, you could spend exactly $750 so you inequality should really be .15m+700≤750.  Now you just need to solve this for the number of miles you can drive.  

First, subtract 700 from both sides and you are left with .15m≤50
Then divide both sides by .15 and you are left with m ≤ 333.33.  Thus, the limo can only travel 333.33 miles.
6 0
3 years ago
Write the equation of a line that has an x intersept of 8 and a y intersept of 12​
AleksAgata [21]

Ask anything here: https://www.answers.com/search?q=Ask%20any%20question&filter=all

6 0
2 years ago
Cuantos es 3000 + 2000 +5000​
pychu [463]

Answer:

10000 if I'm right...maybe

4 0
4 years ago
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