2 years ago

What is the equation of the line that passes through the points (4, –1) and (3, 5)?

Mathematics

1 answer:

uysha [10]2 years ago

5 0

Answer:

(4, -1) (3, 5) In this problem, we use the formula y2 - y1 over x2 - x1.

Step-by-step explanation:

Step 1: Plug In--> 5 - (-1)

3 - 4

Step 2: Simplify. --> 6

-1

Answer: -6

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Mrs. Daly's reading classes were surveyed about their reading preferences. The data is summarized in the table below.

andriy [413]

Answer:

Required probability is 0.19

Step-by-step explanation:

The two-way table for the given data is,

Fiction Non-Fiction Total

9th grade 35 8 43

10th grade 52 12 64

Total 87 20 107

It is required to find the probability of the students who prefer to read non-fiction novels, given that they are in 9th grade.

That is, to find the conditional probability $P(Non-fiction| 9th\ grade)$ .

Now, $P(A|B)=\dfrac{P(A\bigcap B)}{P(B)}$

So, we get,

$P(Non-fiction| 9th\ grade)=\dfrac{(Non-fiction\bigcap 9th\ grade)}{P(9th\ grade)}\\\\P(Non-fiction| 9th\ grade)=\dfrac{8}{43}\\\\P(Non-fiction| 9th\ grade)=0.19$

<h3>Thus, the required probability is 0.19.</h3>

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Answer:

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1/3÷3/8

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