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natka813 [3]
3 years ago
6

Find the value of the expression

Mathematics
1 answer:
cestrela7 [59]3 years ago
4 0
The answer to the question is -343i
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What is the lateral surface area of the cone?
hoa [83]

Answer:

135 pi centimeters squared

Step-by-step explanation:

Hello!

where la is lateral surface area

first \: the \: formula \: for \: the \: lateral \: surface \: are \: of \: cone \: is \\ la = \pi \times r \times l \\ where \: r = radius \\ l = slant \: height \\ therefore.first \: find \: the \: radius(r) =  \frac{d}{2}  \\ r =  \frac{18cm}{2}  = 9cm \\ so \: as \: we \: have \: the \: radius \: we \: can \: solve \: for \: the \: la \\ la = \pi \times r \times l \\ la = \pi \times (9cm) \times (15cm) \\ la = 135\pi \: cm {}^{2}

4 0
2 years ago
Select all the statements about rotations that are true. The shape of the figure does not change. The position of the figure doe
inn [45]

Answer:

Step-by-step explanation:

The shape of the figure does not change.

5 0
3 years ago
HHHHEEEEEEEEELLLLLLLLLLLPPPPPPPPPPPPP
docker41 [41]

Answer: I think it means there are 8 amount of sugar in 4 batches of brownies

Step-by-step explanation: I don’t really know what measurements you are using so I just had to make do

3 0
3 years ago
403010Pa2 4 8 10Number of ticketsThe graph shows the cost of buying raffle tickets.19. write an equation shows the cost y in ter
Lana71 [14]
Simple..

you have y which is the cost of the tickets..and you have x which is the number of tickets..

So, you have those points on the graph....find an equation!

Take any of those coordinates..and find the equation of the line...in the form of y=mx+b

(2,10) and (5,25)

Using: \frac{ y_{1}- y_{2}  }{ x_{1}- x_{2}  }

\frac{10-25}{2-5} = \frac{-15}{-3} =5

Thus, you know your slope. m=5

But, remember it's in the form of y=mx+b

So, use any of the coordinates...let's use (2,10)

10=5(2)+b

10=10+b

0=b

Thus, your equation is... y=5x

Thus, your answer.



3 0
4 years ago
An adult stingray can measure about 350 cm long. how many meters is 350 cm?
Liono4ka [1.6K]

Answer:

<u>3.5 meters</u>

Step-by-step explanation:

1 meter = 100 centimeters

multiply both sides by 3.5 because we are trying to get 350 cm in meters.

1 x 3.5 meters = 100 x 3.5 centimeters

<u>3.5 meters </u>= 350 centimeters

8 0
2 years ago
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