2 years ago

Please help mee asap plsss :)

Mathematics

1 answer:

mash [69]2 years ago

3 0

Answer:

c.....................

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Find the volume of the solid generated by revolving the region bounded by

Rama09 [41]

Answer:

$V =\dfrac{25\pi}{\sqrt{2}}$

Step-by-step explanation:

given,

y=5√sinx

Volume of the solid by revolving

$V = \int_a^b(\pi y^2)dx$

a and b are the limits of the integrals

now,

$V = \int_a^b(\pi (5\sqrt{sinx})^2)dx$

$V =25\pi \int_{\pi/4}^{\pi/2}sinxdx$

$\int sin x = - cos x$

$V =25\pi [-cos x]_{\pi/4}^{\pi/2}$

$V =25\pi [-cos (\pi/2)+cos(\pi/4)]$

$V =25\pi [0+\dfrac{1}{\sqrt{2}}]$

$V =\dfrac{25\pi}{\sqrt{2}}$

volume of the solid generated is equal to $V =\dfrac{25\pi}{\sqrt{2}}$

4 0

3 years ago

What does he mean on question one

Katarina [22]

You plug -2 in for the function k(p) and add it to the function g(w), getting
(-2+3)*(-2-7)+(-2-5)^2=1*-9+49=40 for a - I challenge you to do B on your own!

6 0

2 years ago

What is the equation of the line that haas the x-intercept of -5?

Alexus [3.1K]

Answer:

Step-by-step explanation:

x=5 is the opposite of -5 so it can be eliminated

y=x-5 is not giving you the x intercept and same with y=-x+5

7 0

3 years ago

Simplest form<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B5%7D%20-%20%20%5Cfrac%7B3%7D%7B8%7D%20%20" id="TexFormula

raketka [301]

$\frac{3}{5}$ - $\frac{3}{8}$ = $\frac{3 * 8}{5 * 8}$ - $\frac{3 * 5}{8 * 5}$ = $\frac{24}{40}$ - $\frac{15}{40}$ = $\frac{9}{40}$

4 0

2 years ago

Find the height of a parallelogram if its base is 9 feet and its area is 27 square feet

Zinaida [17]

Answer:

H=3ft

Step-by-step explanation:

Base=9

Area =27

I hope I can help you :)

5 0

2 years ago