3 years ago

6,7,8 what are the inequality’s

Mathematics

1 answer:

yan [13]3 years ago

3 0

Answer:

Its an equation, not an inequality

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If events A and B are mutually exclusive, P(A or B) = 0.5, and P(B) = 0.3; then what is P(A)?

11Alexandr11 [23.1K]

Answer:

$P(A) = 0.2$

Step-by-step explanation:

We have that:

$P(A) = P(a) + P(A \cap B)$

In which P(a) is the probability of a but not b and $P(A \cap B)$ is the probability of both A and B.

By the same logic, we have that:

$P(B) = P(b) + P(A \cap B)$

Also

P(A or B) is

$P(A \cup B) = P(a) + P(b) + P(A \cap B)$

Events A and B are mutually exclusive

This means that $P(A \cap B) = 0$

$P(B) = 0.3 = P(b)$

$P(A \cup B) = P(a) + P(b) + P(A \cap B)$

$0.5 = P(a) + 0.3$

$P(a) = 0.2$

$P(A) = P(a) + P(A \cap B) = 0.2 + 0 = 0.2$

4 0

4 years ago

Two triangular roofs are similar. the corresponding sides of these roofs are 16 feet and 24 feet. if the altitude of the smaller

NISA [10]

Using the concept of proportionality we shall solve for the unknown altitude as follows:
let the measure of the altitude be x:
24/16=x/6
solving for x we get:
x=24/16*6
x=9 feet
Answer: 9 feet

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4 years ago

Giving Brainliest to whoever gets these correct!!!

Kruka [31]

Answer:

48%

Step-by-step explanation:

1+6+2+3 = 12

12 is 48% of 25

u mah good friend UwU

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The integer 'A' represents -8.

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Step-by-step explanation:

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