3 years ago

Can someone answer this please?

Mathematics

1 answer:

Wittaler [7]3 years ago

3 0

V=pi (r^2) h/3
=pi (10^2)(4)/3
=(400/3) pi
or
=(400 pi)/3

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Show all work <br><br> 14 +18 - 2 x 18 -7

djverab [1.8K]

Answer:

-11

Step-by-step explanation:

BIDMAS

(BRACKETS, INDICES, DIVISION, MULTIPLICATION, ADDITION, SUBTRACTION)

14 + 18 - 2 x 18 -7

the first thing we do is the multiplication (since there is no division in this question)

14 +18 − (2)(18) −7

14 + 18 - (36) - 7

32 - 36 - 7 = -11

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3 years ago

Describe the piecewise function below by evaluating the function for given values of the domain

tekilochka [14]

We have a piecewise function.
Therefore, to find the function, we must evaluate each domain separately.
We have then:

For $x \leq -2$ :
The function for this domain is:
$y = -3
$

For $-2 \ \textless \ x \leq 2$ :
The function for this domain is:
$y = mx + b
$
Where,
$b = -3

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 m = (1 - (-7)) / (2 - (-2))$
$m = (1 + 7) / (2 + 2)

 m = 8/4

 m = 2$
Substituting:
$y = 2x - 3
$

For $x\ \textgreater \ 2$ :
The function for this domain is:
$y = 5$

4 0

3 years ago

Please help with this!

malfutka [58]

Answer:

2x^3+7=56

Step-by-step explanation:

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2 years ago

Read 2 more answers

How many units apart are (-1,4) and (2,-1)

Serggg [28]