2 years ago

Give the equation of a line that goes through the point (5,7) and is parallel to the line 2x+3y=-9

1 answer:

6 0

• Rearrange in slope intercept form
3y = (-2x - 9) ➗ 3
y = -2/3x - 3

• Write parallel slope (same slope)
m = -2/3

• Replace x and y value in the equation
7 = -2/3(5) + b
7 = -10/3 + b
7 + 10/3 = b
B = 31/3

• write full equation
Y = -2/3 + 31/3

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A construction company is planning to bid on a building contract. The bid costs the company $1400. The probability that the bid

liubo4ka [24]

Answer:

$3,000

Step-by-step explanation:

There two possible outcomes:

There is a 3/4 chance that the bid is rejected for a value of -$1,400

There is a 1/4 chance that the bid is accepted for a value of $17,600 - $1,400.

The expected value of the situation is:

$E = \frac{3}{4}*(-1,400)+\frac{1}{4}*(17,600-1,400)\\E=\$3,000$