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blsea [12.9K]
3 years ago
13

(GIVING BRAINLIEST!!!!!!!!!)

Mathematics
1 answer:
malfutka [58]3 years ago
3 0

Answer:

0

Step-by-step explanation:

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Skate Land charges a $50 flat fee for birthday party rental and $5.50 for each person. Joann has no more than $100 to spend on t
miv72 [106K]
9 people because you subtract 50 from 100 then divide 50 divided bt 5.50. its not a flat out number so you have to round down to 9.

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3 years ago
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What is the slope of the line that passes through the given coordinates (-1, 6) and (4, 3)
xenn [34]

Answer:

-3/5

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7 0
3 years ago
In a certain community, 36 percent of the families own a dog and 22 percent of the families that own a dog also own a cat. In ad
zysi [14]

Answer:  a) 0.0792   b) 0.264

Step-by-step explanation:

Let Event D = Families own a dog .

Event C = families own a cat .

Given : Probability that families own a dog : P(D)=0.36

Probability that families own a dog also own a cat : P(C|D)=0.22

Probability that families own a cat : P(C)= 0.30

a) Formula to find conditional probability :

P(B|A)=\dfrac{P(A\cap B)}{P(A)}\\\\\Rightarrow P(A\cap B)=P(B|A)\times P(A)   (1)

Similarly ,

P(C\cap D)=P(C|D)\times P(D)\\\\=0.22\times0.36=0.0792

Hence, the probability that a randomly selected family owns both a dog and a cat : 0.0792

b) Again, using (2)

P(D|C)=\dfrac{P(C\cap D)}{P(C)}\\\\=\dfrac{0.0792}{0.30}=0.264

Hence, the conditional probability that a randomly selected family owns a dog given that it owns a cat = 0.264

5 0
3 years ago
I will mark brainliest XD
Usimov [2.4K]

Answer:

First one A and D

Second A and C

Third A and D

Fourth 20 / 4 = X

X = 5

Step-by-step explanation:

4 0
3 years ago
If four points are collinear are they coplanar
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It is False , because they could be in a common plane but they do not form a single line 
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3 years ago
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