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EastWind [94]
3 years ago
8

-6(7) + 36 + (-12) Helpppppp

Mathematics
2 answers:
Radda [10]3 years ago
8 0

Answer:

-18

Step-by-step explanation:

nikdorinn [45]3 years ago
6 0

Answer:-18

Step-by-step explanation:

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Number 3 write a relation for the perimeter of the hexagon with side length
olasank [31]

Answer:

true

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
NEED HELP PLZ HURRY
Vlada [557]
(-2,8) (1,2)
m=2-8/1-(-2)
m=-6/3
m= -2
y=-2x+b
(-2,8)
8=-2(-2)+b
8=-4+b
12=b
b=12
y=-2x+12
Hope this helps!
6 0
3 years ago
Please help!!!<br><br> i need help with this
goblinko [34]

Answer:

Step-by-step explanation:

Combine like terms. Like terms have same variable with same power

a) (2xy + 4x) + (15xy - 5x)  = <u>2xy + 15xy</u> +<u> 4x - 5x</u>

                                         = 17xy - x

b) (6a + 4b² - 3) + (3b² - 5) = 6a + <u>4b² + 3b²</u>  <u>- 3 - 5 </u>

                                           = 6a + 7b² - 8

c) (4x³ - 3x² +4x) + (8x² - 5x ) = 4x³ <u>- 3x² + 8x²</u>  <u>+ 4x - 5x</u>

                                               = 4x³  + 5x² - x

d) (7b - 6a  + 9y) - (12b + 5a - 2y) =

In subtraction, add the additive inverse of (12b + 5a - 2y)

additive inverse = - 12b  - 5a  + 2y

(7b - 6a  + 9y) - (12b + 5a - 2y) = 7b - 6a + 9y  -12b -5a + 2y

                                                   = 7b - 12b  -6a - 5a  + 9y + 2y

                                                   = -5b - 11a + 11y

e) (2x² + 7x - 2 + 9y) - (13x + 4x² + 5 - 6y)

Additive inverse of  13x + 4x² + 5 - 6y = -13x + 4x² - 5 + 6y

(2x² + 7x - 2 + 9y) - (13x + 4x² + 5 - 6y)= 2x² + 7x - 2 + 9y -13x - 4x² -5 +6y

                    = 2x² - 4x² + 7x -13x -2 - 5 + 9y + 6y

                    = -2x²  - 6x  - 7 + 15y

5 0
2 years ago
Could somebody please help me with these? ​
ivann1987 [24]
Which ones do you need help on i’ll try to help you ???
7 0
3 years ago
Total runs scored by 2 batsmen is 215. Express this information in linear equation in two variables
Naddik [55]

Answer:

Let the runs scored by the first batsman be x

And,

Let the runs scored by the second batsman be y

The total runs scored are 215 which will be the sum of runs scored by both the batsmen.

Example:

x + y = 215

Step-by-step explanation:

6 0
3 years ago
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