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sdas [7]
3 years ago
15

What is the percent change of a price decreased from $25 to $10 ?

Mathematics
1 answer:
GalinKa [24]3 years ago
6 0
25  -  10        1             1                5           2                 3
_______      ___    -    ___          ____  -   ____   =      ___    =    .15  =  15%

   100             4             10            20         20                20
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10w + 4w = -84 solve by combining like terms show all steps leading to awnser plz
Ira Lisetskai [31]
10w + 4w = - 84
14w = - 84
w = - 84 : 14
w = - 6  (  answer )
-----------------------------------
10 * (- 6) + 4 * (- 6) = - 84
            - 60 + (- 24) = - 84
                         - 84 = - 84
3 0
2 years ago
Maya is an alien who only wears fractions of socks at a time. If only 1/2 of Maya's sock are clean, and she wears 1/4 sock a day
Blizzard [7]

1/8 is your answer

Because When we enter 1/2 of 1/4 into the formula, we get:

(1 x 1) / (2 x 4) = 1/8

Therefore, the answer to 1/2 of 1/4 in its lowest form is:

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8 0
3 years ago
PLS HELP WILL GIVE BRAINLIEST :)
Rus_ich [418]

Step-by-step explanation:

the slope intercept form is

y = ax + b

"a" being the slope, "b" being the y- intercept (which is the y-value when x = 0).

the slope here :

in the table x is always increasing by 2.

and y is always investing by 1.

so, the slope is 1/2

the y-intercept :

we need to find the y-value for x = 0.

but we don't have a data point with x = 0 in the table.

so, we have to extend the structure of the table to the left.

x decreases by 2 (making it 0), and y decreases by 1 (making it -1).

therefore, the y- intercept (b) is -1.

and the line equation is

y = (1/2)x - 1

not sure about "the other method".

there is the point-slope form of the equation :

y - y1 = a(x - x1)

again with "a" begin the slope, and (x1, y1) being a point on the line.

if we get the y-intercept in the table, then this point is (0, y1).

and the equation would be

y - y1 = ax

in our case

y + 1 = (1/2)x

and another method ?

sometimes people write

nx + my = c

in our case starting with the original equation

y = (1/2)x - 1

2y = x - 2

-x + 2y = -2

x - 2y = 2

6 0
2 years ago
-3.5.-12=42<br> O True<br> O False
Xelga [282]
It’s false because if you take a negative number away from another negative number it would give you another negative number not a positive number!
5 0
2 years ago
Explain how to do this problem
Darina [25.2K]
The lines are parallel that mean that they both have a slope of 2 
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2 years ago
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