Answer this question:What is the difference between 9 < x and 9 = x? Explain.

Mathematics

1 answer:

maw [93]3 years ago

3 0

9 < x

this means that x is a larger number than 9

9 = x

this means that x is equal to 9

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Jlenok [28]

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1. Explain what a medical sociologist means by "health and illness are social attributes influenced by social factors"

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3 years ago

Now complete the square for 2x^2 + 16x + 3.

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Answer:

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3 years ago

100m world record was completed at an average speed of 37.6 km/h. work out this speed in meters per second?

pickupchik [31]

Step-by-step explanation:

1 km = 1000 m

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2 years ago

One number is 5 more than another number. their sum is −15 . what are the numbers?

Aliun [14]

X=5+y
x+y=-15

subsitute 5+y for x

5+y+y=-15
5+2y=-15
minus 5 from both sides
2y=-20
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sub back
x=5+y
x=5-10
x=-5

the numbers are -10 and -5

6 0

3 years ago

A parking lot contains 100 cars , k of which happen to be lemons. we select m of these cars

Sunny_sXe [5.5K]

Given that a parking lot contains 100 cars, k of which happen to be lemons.

This is a conditional probability question.

Let event A be that a car is tested and event B be that a car is lemon.

The probability that a car is lemon is given by $\frac{k}{100}$

The probability that a car is tested is given by $\frac{m}{100}$

The probability that a car is lemon and it is tested is given by $\frac{n}{m}$

For a conditional probability, the probablility of event A given event B is given by:

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

Therefore, the probability that a car is lemon, given that it is tested is given by.

$P(lemon|tested)= \frac{P(lemon\, and\, tested)}{P(tested)} \\ \\ = \frac{ \frac{n}{m} }{ \frac{m}{100} } = \frac{n}{m} \times \frac{100}{m} = \frac{100n}{m^2}$

4 0

3 years ago