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3 years ago

What solid figure has 5 faces, 5 vertices, 8edges?

Mathematics

2 answers:

otez555 [7]3 years ago

8 0

Pentagon
....
.....
......

tekilochka [14]3 years ago

7 0

Your answer is a Square Pyramid.

(Hope I helped :C

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A cylinder fits inside a square prism as shown. For every cross section, the ratio of the area of the circle to the area of the

kolbaska11 [484]

Answer:

Volume of cylinder = $\pi r^2h$

Step-by-step explanation:

Given : A cylinder fits inside a square prism.

To find : The volume of cylinder

Solution : Refer the attached graph.

Area of circle = $\pi r^2$

Area of square = $s^2$

Side of square = diameter of circle= $D^2$

Diameter = 2r

∴ Area of square= $2r^2=4r^2$

$\frac{Area of circle}{Area of Square}=\frac{\pi r^2}{4r^2}=\frac{\pi}{4}$

Area of circle is $\frac{\pi }{4}$ of area of square.

Volume is always = area × height

Volume of prism = Area of square × h = $4r^2h$

Volume of cylinder = Area of circle × h = $\pi r^2h$

Now, rate

$\frac{Volume of cylinder}{Volume of prism}=\frac{\pi r^2h}{4r^2h}=\frac{\pi}{4}$

⇒Volume of cylinder is $\frac{\pi }{4}$ of Volume of prism.

Volume of Cylinder = $\frac{\pi }{4}\times Volume of prism$

Volume of cylinder = $\frac{\pi }{4}\times 4r^2h$

Volume of cylinder = $\pi r^2h$

6 0

3 years ago

Read 2 more answers

Sherry has $25 on her eTuns gift card. If she buys songs at $0.50 each, and has $16.50 remaining on the card, how many songs did

meriva

Answer:

Step-by-step explanation:

$25.00 - $16.50 = $8.50

$8.50 / $0.50 = 17

7 0

3 years ago

According to Runzheimer International, a typical business traveler spends an average of $281 per day in Chicago. This cost inclu

Zinaida [17]

Answer:

The correct answer is - 97.74%.

Step-by-step explanation:

Given:

sample mean = 281

Std Dev = 47 ==> Sample

Std Dev (s) = std dev/sqrt(n) = 6.0677

Solution:

Find : P( x > 268 )

z = ( x - u )/s = ( 268 - 281 )/6.0677

= -1.9558

then, P( x > 270) = P( Z > -1.9558)

= P( Z <1.9558)

= 0.9747

change into percentage:

= 97.471%

4 0

3 years ago

Hey, just out here to say that PLEASE DO NOT put a link for answers to a questions. It is very unhelpful to those who cannot rea

kumpel [21]

Answer:

️ ‍♀️ ️ ‍♂️ ️ ‍♀️

3 0

3 years ago

Read 2 more answers

Elizabeth brought a box of donuts to share. There are two-dozen (24) donuts in the box, all identical in size, shape, and color.

pashok25 [27]

The probability of selecting two jelly-filled donuts in a row is 1/ 22

<h3>What is probability?</h3>

Probability is simply the chance that a given event will occur.

It is also the ratio of the number of outcomes in a set of equally likely outcomes that produce a given event to the total number of possible outcomes.

From the information given, we have that the donuts are:

6 are jelly-filled
10 are lemon-filled
8 are custard-filled

Note that two jelly - filled donuts were taken without replacement

Probability( 2 jelly -filled donuts) = 6 / 24 × 4/ 22 = 24/ 24 × 22 = 1/ 22

Thus, the probability of selecting two jelly-filled donuts in a row is 1/ 22

Learn more about probability here:

brainly.com/question/24756209

#SPJ1

8 0

2 years ago