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3 years ago

Please help with these

Mathematics

1 answer:

Anna71 [15]3 years ago

6 0

Answer:

Ste“Information science is the science and practice dealing with the effective collection, storage, retrieval, and use of information. It is concerned with recordable information and knowledge, and the technologies and related services that facilitate their management and use.

p-by-step explanation:

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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

4 years ago

How many times smaller is a group of 4 coins than a group of 16 coins?

likoan [24]

Answer:

4 times.

Step-by-step explanation:

16/4 = 4.

Hope this helped!

8 0

3 years ago

A dealer selects a card at random from a standard deck of 52 cards.

Oksanka [162]

Answer:

a) you are correct about a.

b)2/13 chance

c) 1/2 chance

please mark me as brainliest and give me a thanks and five stars please

3 0

3 years ago

Jason's mom drove at 100km/hr for a 160km trip.how much longer would the trip have taken if she had driven at 90km/hr

kondor19780726 [428]

We use the formule: t=S/v. So:
+ t1= 160/100 = 8/5 hrs = 5760''
+ t2= 160/90 = 16/9 hrs = 6400''

=> t2-t1= 6400 - 5760 = 640'' = 10'40''

3 0

3 years ago

What is the correct answer for this 5+1*10=

Viefleur [7K]

It would equal 15. To get 15, you would first do 1*10= which equals 10. After that, you would add 5 to the 10 then there's your answer. I hoped this helped!

8 0

3 years ago

Read 2 more answers