Which of the following expressions are equivalent to 4x-8?

Mathematics

2 answers:

slamgirl [31]3 years ago

5 0

Answer:

B) & D)

Step-by-step explanation:

elena-14-01-66 [18.8K]3 years ago

3 0

B & D it’s all equal out to the same answer

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All the fourth-graders in a certain elementary school took a standardized test. A total of 85% of the students were found to be

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Answer:

There is a 2% probability that the student is proficient in neither reading nor mathematics.

Step-by-step explanation:

We solve this problem building the Venn's diagram of these probabilities.

I am going to say that:

A is the probability that a student is proficient in reading

B is the probability that a student is proficient in mathematics.

C is the probability that a student is proficient in neither reading nor mathematics.

We have that:

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

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By the same logic, we have that:

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

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$(A \cup B) + C = 1$