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4 years ago

Find the slope! help please

Mathematics

1 answer:

nirvana33 [79]4 years ago

5 0

Answer:

-2/3 or 2/-3 ( either one is correct)

Step-by-step explanation:

1. Pick one the points to start with

2. Move either three to the left (if you are starting with x) or move down twice (if you are starting with y)

3. Move up twice (if starting with x) or move three to the right (if starting with y)

4. write the answer with the y at the top and x on the bottom

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In a factory there are 100100 units of a certain product, 55 of which are defective. We pick three units from the 100 units at r

Nadya [2.5K]

Answer:

There is a 33.67% probability that exactly one of them is defective.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Here, we can have different formats. For example, D-ND-ND is the same as ND-D-ND, that is, the ordering is not important. So we use the combinations formula.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Desired outcomes

One defective(one from a set of 55) and two non defective(two from a set of 45). So

$D = C_{55,1}*C_{45,2} = \frac{55!}{54!1}*\frac{45!}{43!2!} = 55*45*22 = 54450$

Total outcomes

Three from a set of 100. So

$T = C_{100,3} = \frac{100!}{97!3!} = 161700$

What is the probability that exactly one of them is defective

$P = \frac{D}{T} = \frac{54450}{161700} = 0.3367$

There is a 33.67% probability that exactly one of them is defective.

4 0

3 years ago

Omplete the statement. Round to the nearest hundredth if necessary.<br><br> 75.2 in. ≈≈ cm

salantis [7]

The total is 191.008 centimeters.

4 0

3 years ago

1 2/5 x 1 1/4 simplify as much as possible right answer as a mixed number pls

Olenka [21]

7/5 x 5/4
= 1 3/4
One and three fourths

5 0

4 years ago

6 x (1 + 2)=(_x1)+(_x2) what are the two missing numbers

const2013 [10]

Answer:

Step-by-step explanation:

If you fill it in it fits :)

5 0

4 years ago

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Carla can fill 5 glasses with soda every 20 seconds. Complete the table using equivalent ratios.

Ratling [72]

Answer:

Glasses 12 : 48 because, when you do 20/5 it equals to 4 so, the ratio will equal to seconds = Glasses • 4

44 seconds = 11 glasses

Step-by-step explanation:

5 0

3 years ago

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