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sashaice [31]
2 years ago
6

Please help fast!!!!!!

Mathematics
2 answers:
Aleksandr-060686 [28]2 years ago
6 0

Answer:c

Step-by-step explanation:

First of all simplify it

2(x-1) +3

2x -2+3

x = 2x + 1

x -2x = 1

- x = 1

x <= -1

laiz [17]2 years ago
3 0

Answer:

D

Step-by-step explanation:

I am so sorry if this is not right but I believe its D

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Katyanochek1 [597]

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2

Step-by-step explanation:all of them can be divided by 2 and it is the smallest number.

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2x+3y=15<br> x+y=6<br> work out the values of x and y
Anna [14]

Answer:

x=3

y=3

Step-by-step explanation:

x = 6-y

-plug in (6-y) into first equation

2(6-y)+3y = 15

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double check:

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6 0
3 years ago
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#2) A lifeguard is swimming to a drowning swimmer. The lifeguard's location is at
Ulleksa [173]

Answer:

<h3>9.43</h3>

Step-by-step explanation:

The formula for calculating the distance between two points is expressed as

D =√(x2-x1)²+(y2-y1)²

Given the coordinates (0,0) and (8,5)

D = √(5-0)²+(8-0)²

D = √5²+8²

D = √25 + 64

D = √89

<em>D = 9.43</em>

<em>Hence the distance between the life guard and the swimmer is 9.43</em>

<em></em>

8 0
2 years ago
an English teacher would like to divide 15 boys and 6 girls into groups each with the same combination of boys and girls and nob
tamaranim1 [39]

Answer:

7groups

Step-by-step explanation:

15+6/3=7groups

6 0
2 years ago
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