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2 years ago

What is the equation of the line that passes through the points (−2, 3) and (2, 7)?

1 answer:

6 0

The slope = (y2-y1) / (x2-x1)
= (7-3) / (2- -2)
= 4/4
= 1
using the point/slope form of a line:-
y - y1 = m(x - x1)
y - 3 = 1(x - -2)
y = x + 2 + 3
y = x + 5 (answer)

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Answer:

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3 years ago

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stealth61 [152]

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2 years ago

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gladu [14]

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2 years ago

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Alina [70]

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2 years ago

marlee spins a spinner and rolls 1-6 # cube. the spinner has 5 equal parts # 1-5 . what is the probability she will spin an even

forsale [732]

The events are independant (i.e. what she rolls on the cube has no impact on how the spinner works). The probability of two independant events is given by:

$P_t = P_{cube} \times P_{spin}$

For the cube, 1/2 the numbers meet our requitment of being even, so:
$P_{cube} = \frac{Desired}{Total} = \frac{even}{total} = \frac{3}{6} =\frac{1}{2}$

For the spinner, there are 3 odds out of 5 (1, 3 & 5) so:
$P_{spin} =\frac{Desired}{Total} = \frac{odd}{total} = \frac{3}{5}$

and then:
$P_T = P_{cube} \times P_{spin}$
$P_T =\frac{1}{2} \times \frac{3}{5}$
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3 years ago