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maw [93]
2 years ago
8

Solve the system. x = y +2 3x = 6 (y + 2)

Mathematics
1 answer:
Zielflug [23.3K]2 years ago
5 0

Answer:

(x , y)=(0 , -2)

Step-by-step explanation:

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I NEED HELP ASAP I DONT UNDERSTAND THIS!!
zheka24 [161]

Let the cost of the hair dryer equal x.

The net cost plus a 40% markup equals 42, set up an equation and solve forex.

1.4x = 42

Divide both sides by 1.4

X = 42 / 1.4

X = 30

The net cost was £30

3 0
3 years ago
Yalll n-4 = 3n + 6 do me a favah
Otrada [13]
<h2>Answer:</h2><h2>n=-5</h2>

n

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n-4=3n+6

n−4=3n+6

Solve

1

Add

4

4

4

to both sides of the equation

−

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+

6

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−

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+

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=

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+

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n-4+{\color{#c92786}{4}}=3n+6+{\color{#c92786}{4}}

n−4+4=3n+6+4

2

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Subtract

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3n

3n

from both sides of the equation

4

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5

Divide both sides of the equation by the same term

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Simplify

5 0
3 years ago
Read 2 more answers
Find the values of the variables
Jlenok [28]

Answer:

You can use Pythagoras theorem to calculate x:

12² + 14² = x²

144 + 196 = x²

           x² = 340

           x   = √340 ≈ 18,44

6 0
3 years ago
The total number of branches in a tree diagram will be which of the following values?
Step2247 [10]

Answer:

The total number of branches = total possibilities = the denominator of a probability.

So the second choice is correct.

Let me know if this helps!

5 0
3 years ago
A number cube is rolled 14 times and the results are recorded in the table.
marshall27 [118]

Answer:

D.5/14

Because 4 appeared five times over the total

8 0
2 years ago
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