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Rina8888 [55]
3 years ago
12

Is the equation a direct variation? If so, what is the constant of variation? -2y = -6x

Mathematics
1 answer:
babunello [35]3 years ago
6 0

Answer:

Actually, your equation represents something that doesn`t vary...

Step-by-step explanation:

Well, this equation represents a CONSTANT. Basically, regardless to the real

x

value you may choose

y

will always be

3

and never change...

Graphically:

graph{0x+3 [-10, 10, -5, 5]}

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3 years ago
Please solve and hurry
madam [21]

Answer:

225°

Step-by-step explanation:

\frac{5\pi}{4}  =  \frac{5 \times 180 \degree}{4}  =  \frac{900 \degree}{4}  = 225 \degree \\

3 0
3 years ago
5. What is BC?<br> 4x - 8<br> 2x + 12<br> 3x + 4
borishaifa [10]

Answer:

BC = 34

Step-by-step explanation:

Given that ∠B = ∠C then the triangle is isosceles.

Thus AB and AC are congruent, that is

4x - 8 = 2x + 12 ( subtract 2x from both sides )

2x - 8 = 12 ( add 8 to both sides )

2x = 20 ( divide both sides by 2 )

x = 10

Hence

BC = 3x + 4 = (3 × 10) + 4 = 30 + 4 = 34

4 0
3 years ago
1. At a summer job, Melissa fixes computers for small businesses. She charges a $30 fee to start a job and $15 per hour for each
zalisa [80]
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3 years ago
Please help me on this problem !
frosja888 [35]

Answer:

9

Step-by-step explanation:

it's an isosceles right ∆.

so (9√2)^2 = 81*2= 162 = 2s^2

let x=y=s

s^2 = 81

s = 9

3 0
3 years ago
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