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3 years ago

Which is the equation of a line that has a slope of -7 and a y-intercept of 2?

Mathematics

2 answers:

mars1129 [50]3 years ago

6 0

Answer:

y=-7x+2

Step-by-step explanation:

The equation is represented by y=mx+b where m is slope and b is the y-intercept.

Leni [432]3 years ago

5 0

Answer:

y = -7x + 2

Step-by-step explanation:

in the general equation y = ax + b, a is the slope and b is the y coordinate of the y intercept.

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Step by step explanation:

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bixtya [17]

Answer:

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Step-by-step explanation:

we know that

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3 years ago

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A bag contains counters that are red, black , or green . 1/3 of the counters are red 1/6 of the counters are black There are 15

Nadya [2.5K]

Answer:

There are 5 black counters in the bag.

Step-by-step explanation:

15 green counters in the bag

The proportion of green counters is given by:

$p = 1 - (\frac{1}{3} + \frac{1}{6}) = 1 - (\frac{2}{6}+\frac{1}{6}) = 1 - \frac{3}{6} = 1 - \frac{1}{2} = \frac{2}{2} - \frac{1}{2} = \frac{1}{2}$

So, we have that, the total is x. So

$\frac{x}{2} = 15$

$x = 30$

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How many black counters are in the bag ?

A sixth of the counters are black. So

$\frac{1}{6} \times 30 = \frac{30}{6} = 5$

There are 5 black counters in the bag.

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