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Andreas93 [3]
2 years ago
6

Which of the following expressions is equivalent to 15x+y−x−10y?

Mathematics
1 answer:
lions [1.4K]2 years ago
6 0
14x-9y is the answer
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1/3(x + 2) = 2/3x + 4
olga_2 [115]

For this case we have the following equation:

\frac {1} {3} (x + 2) = \frac {2} {3} x + 4

We apply distributive property on the left side of the equation:

\frac {1} {3} x + \frac {2} {3} = \frac {2} {3} x + 4

Subtracting \frac {2} {3} x from both sides of the equation:

\frac {1} {3} x- \frac {2} {3} x + \frac {2} {3} = 4\\- \frac {1} {3} x + \frac {2} {3} = 4

Subtracting \frac {2} {3}from both sides of the equation:

- \frac {1} {3} x = 4- \frac {2} {3}\\- \frac {1} {3} x = \frac {12-2} {3}\\- \frac {1} {3} x = \frac {10} {3}

We multiply by 3 on both sides of the equation:

-x = \frac {10} {3} * 3\\-x = 10

We multiply by -1 on both sides of the equation:

x = -10

The solution of the equation is x = -10

ANswer:

x = -10

4 0
4 years ago
The goals against average (A) for a professional hockey goalie is determined using the formula A=60(g/2). In the formula, g repr
maks197457 [2]

Answer:

g = At/60

Step-by-step explanation:

Given:

A = 60(g/t)  

60(g/2) is a mistake in the question which the question                                        has corrected in the comments)

A is the average for a professional hockey goalie.

g is the number of goals scored against the goalie.

t represents the time played in minutes.

Finding 'g':

A = 60(g/t)

can be written as A = (60*g)/t

Multiplying by 't' on both sides:

At = (60*g)*t/t

At = 60*g

Dividing by '60' on both sides:

At/60 = 60*g/60

At/60 = g

⇒ g = At/60

3 0
3 years ago
Read 2 more answers
Multiplicación Qué me de 300
Goshia [24]
150x2=300 100x3=300
5 0
4 years ago
Read 2 more answers
Which proportion below has a vertical
creativ13 [48]

Answer:

1 x 6 = 6 and 3 x 6 = 18

Step-by-step explanation:

3 0
4 years ago
Whats n over 10= -4? I am struggling!
In-s [12.5K]

Answer:

-40

Step-by-step explanation:

you multiply both sides by 10 to get the variable by its self

n = -40

hope this helps

6 0
3 years ago
Read 2 more answers
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