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3 years ago

The diameter of a circle is 8 inches. What is the area?

Mathematics

2 answers:

zimovet [89]3 years ago

8 0

16 pi inches squared brotha

elena-14-01-66 [18.8K]3 years ago

3 0

Answer:

1 6 p i s q u a r e s i s m y f i n a l a n s w e r ! ! ! y o u r w e l c o m e

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Which of the statement is true

matrenka [14]

Answer:

Step-by-step explanation:

Profit = 4.5 (240)-1080 = 0

the maximum profit would occur when u sell all 350 tickets,

profit = 4.5(350)-1080 = 495 (not a nor b)

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2 years ago

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Evaluate the expression<br><br> 5c - 2 = when c = 3<br><br> HELPPP quick

Ugo [173]

Answer:

Step-by-step explanation:

Substitute 3 into c --> 5(3)-2 = 15-2 = 13

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2 years ago

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Help math question derivative!

atroni [7]

Let $f(x)=\sec^{-1}x$ . Then $\sec f(x)=x$ , and differentiating both sides with respect to $x$ gives

$(\sec f(x))'=\sec f(x)\tan f(x)\,f'(x)=1$
$f'(x)=\dfrac1{\sec f(x)\tan f(x)}$

Now, when $x=\sqrt2$ , you get

$(\sec^{-1})'(\sqrt2)=f'(\sqrt2)=\dfrac1{\sec\left(\sec^{-1}\sqrt2\right)\tan\left(\sec^{-1}\sqrt2\right)}$

You have $\sec^{-1}\sqrt2=\dfrac\pi4$ , so $\sec\left(\sec^{-1}\sqrt2\right)=\sqrt2$ and $\tan\left(\sec^{-1}\sqrt2\right)=1$ . So $(\sec^{-1})'(\sqrt2)=\dfrac1{\sqrt2\times1}=\dfrac1{\sqrt2}$

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3 years ago

Alvarez has $650 deposited into his bank account. The account earns simple interest of 5. 5% per year. No other money is added o

Elena-2011 [213]

Answer:

$793

Step-by-step explanation:

The amount of money in an account earning simple interest is given by the formula ...

A = P(1 +rt)

where P is the principal invested at rate r for t years.

Using the values given in the problem statement, the account balance can be found to be ...

A = $650(1 +0.055×4) = $650×1.22 = $793

There will be $793 in the account after 4 years.

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1 year ago

If the sales tax is 3% what is the cost of a pair of shoes with a price of $55?

34kurt

$56.65

55(.03)= 1.65
1.65+55= 56.65

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3 years ago

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