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3 years ago

Points of discontinuity. y = cot x, [0, 2 \[\pi \] ]

1 answer:

5 0

<span>cotx = (cosx)/(sinx)
Where is this function not defined?
i.e. where is sin(x)=0?
Because at this point, cotx will be undefined because you cannot divide by zero. So find all points from 0 to 2 pi where sinx is 0.</span>

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Rebecca was hungry so she decided to stop and get something to eat she bought a cheeseburger for $2.73, french fries for $1.58 a

lianna [129]

Rebecca spent $46.89 on lunch.

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3 years ago

Classify the real numbers as rational or irrational numbers.

alex41 [277]

Answer:

Rational Numbers: 1.1625, 5.15603418923, and -11/151

Irrational Numbers: √256, √141, and ∛25

Step-by-step explanation:

Rational Numbers are numbers that are decimals, fractions, and whole numbers.

Irrational Numbers are numbers that have square roots and cube roots.

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3 years ago

Calculate the mean of this data set: 12, 35, 44, 74, 23, 49, 45, 18, 90, 56, 84,

Blababa [14]

Well, here is the mean of ur data collected 48.181818...

4 0

3 years ago

Read 2 more answers

A family spends $520 every month on food if the family's income is 3 200 each month what percent of the inco.E is spent on food

aliya0001 [1]

Answer:

16.25% was spent on food

Step-by-step explanation:

Step one

given data

A family spends $520 every month on food

The family's income is $3200 Monthly

Required

We want to find the percentage of the income spent on food only

Step two

percentage spent on food= amount spent on food/income*100

percentage spent on food= 520/3200*100

percentage spent on food= 0.1625*100

percentage spent on food= 16.25%

=16.25%

5 0

3 years ago

Express 763636363636 as a rational number

shtirl [24]

$x=0.7636363\ldots$
$10x=7.636363\ldots$
$1000x=763.636363\ldots$

$\implies1000x-10x=990x=756\implies x=\dfrac{756}{990}=\dfrac{42}{55}$

4 0

3 years ago