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Ira Lisetskai [31]
3 years ago
13

What is the distance between (-6,-2) and (0,-8)

Mathematics
2 answers:
Vesnalui [34]3 years ago
5 0
Distance\ Formula \\  \sqrt{(y2-y1)^{2}+(x2-x1)^{2}} \\  \\  \sqrt{(-2-(-8))^{2}+(-6-0)^{2}}   \\  \\  \sqrt{(6)^{2}+(-6)^{2}} \\  \\  \sqrt{36+36}= \sqrt{72} \\  \\  \sqrt{9*8}= 3\sqrt{8}=3 \sqrt{4*2}=6 \sqrt{2} \\  \\ \boxed{6 \sqrt{2} }
mariarad [96]3 years ago
3 0
You can use the distance formula for this. √(x-x)² + (y-y)²

So, √(0 + 6) + (-8 +2)
     =√(6)² + (-6)²
     =√36 + 36
     =√72
     =6√2

So, the distance between those points is 6√2 units.
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An angle measures 150°. What is the measure of its supplement?
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Answer:

The supplement is = 180-150 i.e30

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2 years ago
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The students in Todd's grade voted to select a guest speaker. 24 students voted for a famous athlete. The other 8 students in To
Colt1911 [192]

Answer:

75% of students voted for the athlete

Step-by-step explanation:

total number of students 24+8 = 32

24 out of 32 students chose the athlete

24/32 simplified = 3/4

3/4 = 75%

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2 years ago
Why might Razis method not be a good way to estimate the probability? My team won 18 of their last 20 matches, so the probabilit
FrozenT [24]

Answer:

It is a really idealistic way to estimate probability.

It usually works well for random events where there is no restriction like:

"There are N elements in a set, the probability of randomly selecting any element is the same (so there is no restriction) meaning that for every single element, the probability is 1/N.

Now suppose that there are K elements (K < N) with a given characteristic, then the probability of randomly selecting one of the K elements out of the sett with N elements is equal to K times the probability of each element, this is:

P = K*(1/N) = K/N"

Then if a dice has 6 possible outputs, and we want to find the probability of getting a 3 or a 5, we need to find the quotient between the outcomes where we get a 3 or a 5 (2) and the total number of outcomes (6)

P = 2/6

Now let's go to the case in the problem:

We know that out of the last 20 games, your team won 18.

Then yes, your team won (18/20)*100% = 90% of their played games.

Does this mean tath the probability of winning the next game is 90%?

Well no, because this is not a random selection, there are a lot of other things needed to analyze, as the win rate of the other team (suppose that the other team won 14 of their last 20 games, then their win rate is (16/20)*100% = 70%

Does this mean that the probability where our team wins is 90%, and the probability of the enemy team winning is 70%?

Well no, this makes no sense at all, and this is why this method is not a good way to estimate probability in complex cases like this one.

5 0
3 years ago
If profit is p% and cost price is C.P what will be the selling price?​
harkovskaia [24]

Answer:

SP = (1+P/100)CP.

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P% is our profit on our cost price.

Cp is our cost price.

We know,

Selling Price - Cost price = Profit = Profit * Cost Price

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SP = (1+P/100)CP.

7 0
2 years ago
Please help i struggle with algebra
sweet [91]

Answer:

17

Step-by-step explanation:

multiply both sides of the equation by 8

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move the constant to the right-hand side and change its sign

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