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3 years ago

Find the slope of a line that goes between points (2, 4) and (5, 7).

Mathematics

2 answers:

bonufazy [111]3 years ago

6 0

Answer:

the slope is 1

Step-by-step explanation:

It's given that a line passes through the points,

A = (2,4)

B = (5,7)

Clearly, we have to find the slope of the line.

Let, the slope of line is 'm'

We know that, if a line passes through two points (a,b) and (c,d) ,

Then, the slope of the line is given by formula,

Therefore, We get,

Hence, slope of line = 1

yawa3891 [41]3 years ago

4 0

Answer:

Step-by-step explanation:

$\frac{7-4}{5-2}=\frac{3}{3}= 1$

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You get GPS units from two manufacturers, A and B. You get 43% of your units from A and 57% of your units from B. In the past, 2

defon

Answer:

0.5015 = 50.15% probability that it came from manufacturer A.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Defective

Event B: From manufacturer A.

Probability a unit is defective:

2% of 43%(from manufacturer A)

1.5% of 57%(from manufacturer B). So

$P(A) = 0.02*0.43 + 0.015*0.57 = 0.01715$

Probability a unit is defective and from manufacturer A:

2% of 43%. So

$P(A \cap B) = 0.02*0.43 = 0.0086$

What is the probability that it came from manufacturer A?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0086}{0.01715} = 0.5015$

0.5015 = 50.15% probability that it came from manufacturer A.

4 0

2 years ago

Someone please help I'm so stuck

Trava [24]

The picture won't load, but I would surely help!

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3 years ago

A triangle with side lengths 13, 30, and 42 is a right triangle. True or False?

kaheart [24]

Answer:

False

Step-by-step explanation:

$42^2-30^2-13^2=695$

695 ≠ 0

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3 years ago

Which number is a rational number <br><br> 49. 9/2 13/16 34

s2008m [1.1K]

Answer:
9/2

Step-by-step explanation:
A Rational Number can be made by dividing two integers. (An integer is a number with no fractional part.) So therefore, 9/2 is a rational number

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3 years ago

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A cone has a radius of 3 and a height given by the expression 2a. Which expression represents the volume of the cone?

DiKsa [7]

V=(1/3)hπr^2 where h=height and r=radius
given
radius=3
height=2a

r=3
h=2a

v=(1/3)hπr^2
v=(1/3)(2a)π(3)^2
v=(1/3)2aπ9
v=6aπ

so the expression would be some variaant of v=6aπ

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3 years ago

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