3 years ago

Which equation represents a proportional relationship? I need the answer for BOTH questions.

Mathematics

1 answer:

Bogdan [553]3 years ago

6 0

Answer:

y =kx

Step-by-step explanation:

The equation that represents a proportional relationship or a line, is y=kx wher k is the constant of proportionality

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Anna [14]

Step-by-step explanation:

step 1. 4x + 27 + 3x = 90 (definition of a rectangle)

step 2. 7x = 63 (collect like terms. subtract 27 from both sides)

step 3. x = 9 (divide both sides by 7)

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3 years ago

Solve for w k=2b-5w/3k

nlexa [21]

$k = \frac{2b - 5w}{3k}$
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cestrela7 [59]

The answer is 30
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Temka [501]

93 is the right answer please mark me as brainlest

Step-by-step explanation:

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3 years ago

While on a stakeout protecting Earth from the the universe, Agent K observed five men in black enter a coffee shop and get three

taurus [48]

Answer:

$ 0.8.

Step-by-step explanation:

1) if to assume, 'c' - price of the coffee and 'd' - price of the doughnuts, then

2) it is possible to write the equation 1 (when five MinB enter): 3d+5c=3.3;

3) it is possible to write the equation 2 (when three aliens entered): 4d+3c=2.75;

$4) \ \left \{ {{3d+5c=3.3} \atop {4d+3c=2.75}} \right. \ = > \ \left \{ {{c=0.45} \atop {d=0.35}} \right.$

5) if c=0.45 and d=0.35, then Ag.Z. paid 0.35+0.45=$ 0.8.

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2 years ago