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allochka39001 [22]
2 years ago
9

Help Find the volume of this cone. Use 3 for TT.

Mathematics
2 answers:
ad-work [718]2 years ago
6 0
It is 180ft3 definitely do that one
natima [27]2 years ago
3 0

Answer:

180ft^{3}

Step-by-step explanation:

Volume of a cone:

V=\pi r^{2} \frac{h}{3}

Take \pi as 3, as mentioned in the question

'r' is 'radius' ⇒ {diameter is given so divide by 2: 12/2 = 6}

'h' is 'height'

V=(3)(6)^{2} (\frac{5}{3} )

V=(3)(36)(\frac{5}{3} )

V=108(\frac{5}{3} )

{multiply 108 with 5 and then divide the answer by 3}

V=108 × 5

V=540

V=540/3

V=180ft^{3}

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Angle DEF measures 75°. What is the measure of angle CFD? 105° 125° 150° 165°
marta [7]
The answer is 105 because 180-75=105
6 0
3 years ago
Help plz show work * mean multiplcation.<br> 8.55*18–8.45*18
slega [8]
8.55*18-8.45*18

(8.55)(18)-(8.45)(18)

=153.9 - (8.45)(18)

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hope this was helpful 

6 0
3 years ago
The city council of a large city needs to know whether its residents will support the building of three new schools. The council
Marrrta [24]

Answer: C) Survey a random sample of persons within each neighborhood of the city.

==============================================================

Explanation:

I'll go through each answer choice to say why it is either the answer or not the answer.

A. This is not the answer because teachers are over-represented while non-teachers are under-represented. The teachers will most likely respond favorably to the survey, skewing the results. The other townspeople's opinions would be left out.

B. This is not the answer because people living far away from the city in question should not have sway over what happens in the particular city. It makes no sense to have someone in San Francisco determine what happens in LA schools. It's better to ask people who live in the city. Perhaps you could extend the net to nearby surrounding cities assuming those parents commute into the city to drop off their kids at those schools.

C. This is the answer. It's best to ask city residents because it is a local city issue. I would put every resident's name or address into a computer database, then have a random number generator select those individuals.

D. This is not the answer. People who do not visit city hall will not be represented at all, which skews the results of what the people of the city want overall.

8 0
3 years ago
What is 1/4(8-6x+12) simplfied
mr_godi [17]
\frac{1}{4} (8 - 6x + 12) \\ \\  \frac{1}{4} (-6x + 20) \\ \\  \frac{-6x + 20}{4} \\ \\

The final result is: -6x + 20/4.
7 0
3 years ago
Please help, will mark you as brainleist!!!
pochemuha

Answer:

The scale factor is 1.5 or 3/2

Step-by-step explanation:

7 0
3 years ago
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