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EastWind [94]
3 years ago
9

Help Find the volume of this sphere. Use 3 for pi

Mathematics
1 answer:
tankabanditka [31]3 years ago
7 0

Answer:

V = 1372cm3

Step-by-step explanation:

See the image above

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Which of the following is most likely the next step in the series?
ella [17]

Answer:

My guess is D

Step-by-step explanation:

As far as im concerned thatis mybest choice

3 0
3 years ago
Find the Derivative.<br> f(x) = -xcos3x
DENIUS [597]

Answer:

\frac{d}{dx}(-xcos3x)=  3x \ sin(3x)- cos(3x)

Step-by-step explanation:

Use the Product Rule for derivatives, which states that:

  • \frac{d}{dx} =[f(x)g(x)]= f(x)g'(x)+f'(x)g(x)

In the function we are given, f(x)=-x \cos3x, we can break it up into two factors: -x is being multiplied by cos3x.

Now, we have the factors:

  • -x \\   $cos 3x

Before using the product rule, let's find the derivative of cos3x using the chain rule and the power rule.

  • \frac{d}{dx}(cos3x)= \frac{d}{dx} (cos3x) \times \frac{d}{dx} (3x) \\ \frac{d}{dx}(cos3x)= (-sin3x) \times 3 \\ \frac{d}{dx} (cos3x) = -3sin(3x)

Now let's apply the product rule to f(x) = -xcos3x.

  • \frac{d}{dx}(-xcos3x)=  (-x)(-3sin3x) + (-1)(cos3x)

Simplify this equation.

  • \frac{d}{dx}(-xcos3x)=  (x)(3sin3x) - (cos3x)

Multiply x and 3 together and remove the parentheses.

  • \frac{d}{dx}(-xcos3x)=  3x \ sin(3x)- cos(3x)

Therefore, this is the derivative of the function f(x)=-xcos3x.

3 0
3 years ago
Read 2 more answers
What is cos(7π5) ?<br><br> 0.61<br> -0.61<br> 0.31<br> -0.31
ArbitrLikvidat [17]

Answer:

-0.31.

Step-by-step explanation:

Cos (7π/5) is in the third quarter so the cosine is negative.

Cos 7π/5) = - cos (7π/5 - π)

= -cos 2π/5)

= -0.31.

6 0
4 years ago
the cost of a parking permit consists of a one-time administration fee plus a monthly fee. a permit purchased for 12 months cost
weqwewe [10]
The cost of a parking permit consists of a one-time administration fee plus a monthly fee.
=> a permit purchased for 12 months costs $660.
=> a permit purchased <span>for 15 months costs $810. 
let's determine  the administration fee.
=> 810 - 660 dolalrs = 150 dollars is added for additional 3 months.
=> 150 / 3 months = 50 pesos per month.
=> 50 * 12  = 600 dollars.
=> 660 dollars - 600 dollars = 60 dollars is the administration fee.</span>
4 0
3 years ago
What is the first term of the quotient of the following division problem?
Naddika [18.5K]

Answer:

x²

Step-by-step explanation:

x³ - 1 ÷ x + 2

the first term of the quotient is x³ ÷ x = x²

4 0
3 years ago
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