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Mamont248 [21]
3 years ago
5

write an equation in point-slope form that describes the line with a slope of -3 that contains the point (1,2).

Mathematics
2 answers:
DedPeter [7]3 years ago
6 0
Y - y1 = m(x-x1)
y - 2 = -3(x - 1)
salantis [7]3 years ago
4 0
Point-slope form is

y - y1 = m(x - x1)  where m = slope and (x1, y1) is a point on the line.

so here it is   y - 2 = -3(x - 1) Answer
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6.32455532i

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What is the vertex of the parabola f(x)=-(x-3)^2+25
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Answer:

(3,25) is the vertex

Step-by-step explanation:

f(x)=-(x-3)^2+25

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A card is selected randomly from a jar that contains 15 cards, numbered from 25 to 39. What is the probability that the card sel
VikaD [51]

Answer:

The probability that the card selected bears a number less than 34 is 0.3333.

Step-by-step explanation:

Let random variable <em>X</em> be defined as the number on the selected card.

There are <em>N</em> = 15 total cards.

The number on the cards are as follows:

S = {25, 26, 27,..., 38, 39}

The probability of an event, <em>E</em> is the ratio of the number of favorable outcomes to the total number of outcomes.

P(E)=\frac{n(E)}{N}

In this case we need to compute the probability that the card selected bears a number less than 34.

The favorable outcomes are:

<em>s</em> = {25, 36, 37, 38, 39}

<em>n</em> (X < 34) = 5

Compute the probability that the card selected bears a number less than 34 as follows:

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Thus, the probability that the card selected bears a number less than 34 is 0.3333.

7 0
3 years ago
5. A flock of geese flies 50 miles per hour. Write a linear
MrMuchimi

Answer:

y=50x+0

Step-by-step explanation:

y=mx+b is y-intercept form

I will make x= hours and y= distance (miles)

every 1 you add to x has to represent 50 miles

for the y intercept, it was unspecified so I assumed 0

Hope this helps :)

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