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Alika [10]
2 years ago
9

What is the result of subtracting the second equation from the first?

Mathematics
2 answers:
Elina [12.6K]2 years ago
7 0

Answer:

-9

Step-by-step explanation:

The awnswer to the first equation is -4 and -4-5 is equal to -9

tatyana61 [14]2 years ago
6 0

Answer:

90.7 - 8y = -9.

Step-by-step explanation:

87 - 4y = -4

-3.7 + 4y = 5

87 - (-3.7) - 4y - 4y = -4 - 5

90.7 - 8y = -9

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X over 85 = 72 over 100
gayaneshka [121]

Answer:

X=61.2

Step-by-step explanation:

x/85   =     72/100

x*100/8500           =    6120/8500

x*100 must equal 6120 therefore x must be 61.2 because 61.2 * 100 is 6120

7 0
3 years ago
Read 2 more answers
Please Help! Which of the following properties was used in the expression shown here?
Elena L [17]

Answer:

Distributive Property

Step-by-step explanation:

Multiply 5 with each number in the parentheses

Then add the variables after

3 0
3 years ago
How do I set up the equation for this word problem? A takes 1/2 of the diamonds plus 1 from the table. B takes 2/3 of what remai
nalin [4]

The first thief takes (1/2 x + 1) .  What remains ?   x - (1/2x + 1)

So the 2nd thief takes  2/3 of  [  x - (1/2x + 1) ]

   What remains ?    x - 2/3 [ x - (1/2x + 1) ]

So the 3rd thief takes    2/3 of  { x - 2/3 [ x - (1/2x + 1) ] }  and he takes 1 more .

   What remains ?    x - ( 2/3 { x - 2/3 [ x - (1/2x + 1) ] } + 1 )

And that whole ugly thing is equal to ' 1 ', so you can solve it for 'x'..

The whole problem from here on is an exercise in simplifying
an expression with a bunch of 'nested' parentheses in it.  
===============================================
This is a lot harder than just solving the problem with logic and
waving your hands in the air.  Here's how you would do that:

Start from the end and work backwards:

-- One diamond is left.
-- Before the 3rd thief took 1 more, there were 2.
-- That was 1/3 of what was there before the 3rd man took 2/3.
So he found 6 when he arrived.
-- 6 was 1/3 of what was there before the second thief helped himself.
So there were 18 when the 2nd man arrived.
-- 18 was 1 less than what was there before the first thief took 1 extra.
So he took his 1 extra from 19.
-- 19 was the remaining after the first man took 1/2 of all on the table.
So there were 38 on the table when he arrived.

Thank you for your generous 5 points.


 
3 0
2 years ago
HEPL MEE, I NEED EXTREME HELP!
natta225 [31]

Answer:

A= ( 5 x 3 ) x [(9-5)x3 divided by 2]

15+6

=21

P= 5+5+3+9

=22

6 0
2 years ago
Write an equation between the two points (-3, 0) and (-3, -6)
Valentin [98]

The equation is x=-3

6 0
3 years ago
Read 2 more answers
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