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3 years ago

(17, -13), (17, 8) What is the slope through the line

Mathematics

2 answers:

Sophie [7]3 years ago

7 0

Answer:

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Step-by-step explanation:

We can use the slope formula

m = ( y2-y1)/(x2-x1)

= ( 8 - -13)/ ( 17-17)

= ( 8 +13)/ ( 17-17)

= 21/ 0

We can not divide by 0, so the slope is undefined

TEA [102]3 years ago

6 0

Answer:

Undefined slope:- the line is vertical

Step-by-step explanation:

The slope for the line joining the points (x1, y1) and (x2, y2)

= (y2-y1)/(x2-x1) so here it is:

(8 - (-13))/ (17-17)

= 21/0

As the denominator is zero the line is vertical.

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Archy [21]

The length = 18.02
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square root it and you get 18.02

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2 years ago

On a biased dice the probability of getting 1 is 0.3. The ice is rolled 150 times. How many ones would you expect to roll?

Montano1993 [528]

Answer: 45

=====================================================

Work Shown:

n = number of rolls = 150

p = probability of rolling a "1" = 0.3

n*p = expected number of "1"s that show up out of the 150 rolls

n*p = 150*0.3

n*p = 45

We expect about 45 ones will show up.

8 0

2 years ago

3.8=1.9z-3.8 what does z equal

ch4aika [34]

Add 3 to isolate y

3.8 + 3.8 = 1.9z - 3.8 + 3.8

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3 0

3 years ago

Cody's Gym charges a $15 fee to join and $30 per month. Tyler's Gym charges a $30 fee to join and $20 per month. Write an inequa

posledela

Answer:

After (3/2) months Tyler's gym would be a better deal.

Step-by-step explanation:

Let x the number of months

Cody's Gym charges a $15 fee to join and $30 per month

y₁= 15 + 30x (1)

Tyler's Gym charges a $30 fee to join and $20 per month

y₂ = 15 + 30x (2)

See the attached figure which represent the graph of y₁ (with blue color) and y₂ (with red color)

The point of intersection between y₁ and y₂ is ( 3/2 , 60)

After 3/2 months Tyler's Gym charges will be less than Cody's Gym charges

So, the inequality will be:

After (3/2) months Tyler's gym would be a better deal.

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2 years ago

-5х + Зу = -8 3х - 7y = -3 Ordered pair

tatiyna

Answer:

1. y= 2x-5

2. y= x+3

3. y=2x+7

Step-by-step explanation:

6 0

2 years ago