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Lilit [14]
3 years ago
8

What is the surface area of the cone.? Slant height:12mm Radius:3mm

Mathematics
1 answer:
OleMash [197]3 years ago
4 0
I think the surface area would be 148.31mm squared
See the attachment below
Thanks.

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I'm not sure of my answer I know that you have to multiply diagonally then add or subtract I'm not sure.
Dima020 [189]
-18(1) = -18,right? 

4(3) = 12, right? 

-18 - 12 = -30

From the looks of it, we had to "Subtract" the outcome of each problem that we went over 

You're correct: -30 (option A.) would be your answer  

7 0
3 years ago
The captain of a ship at point A and sailing toward point B observes a lighthouse at L and finds angle LAC to be 36*30'. After s
wel

Answer:

The distance between B and lighthouse is 3.8688 km

Step-by-step explanation:

Given:

The angle made from ship to lighthouse is 36.5 degrees

and that of point B is 73 degrees.

To Find:

Distance  Between Point B and Lighthouse

Solution:

<em>Consider a triangle LAB(Refer the attachment )</em>

And Point C is on the line AB as A i.e. ship is sailing to B

So C is at 5 km from A.

Now In triangle LAC,

Using Trigonometry Functions as ,

tan(36.5)=LC/AC

LC=tan(36.5)*AC

=0.7399*5

=3.6998 km

Now In triangle LBC,

As,

Sin(73)=LC/LB

LB=LC/(Sin(73))

=3.6998/0.9563

=3.8688 km

LB=3.8688 km

6 0
3 years ago
Find slope of both lines and determine if parallel, perpendicular or neither
Oxana [17]

Answer:

Parallel

Step-by-step explanation:

y=5x+10

y=5x-15

3 0
2 years ago
Find the area simply your answer
Goshia [24]
Area=base*height

A=(x+6)(2x+2)  

A=2(x+1)(x+6)  technically this is the simplified form, but they may want the expanded form...

A=2x^2+14x+12
3 0
3 years ago
Susie’s Sweet Shop sells chocolate boxes that contain three types of chocolate truffles: solid chocolate truffles, cream center
olganol [36]

Let us make a list of all the details we have

We are given

The cost of each solid chocolate truffle = s

The cost of each cream centre chocolate truffle = c

The cos to each chocolate truffle with nuts = n

The first type of sweet box that contains 5 each of the three types of chocolate truffle costs $41.25

That is 5s+5c+5n = 41.25 (cost of each type of truffle multiplied by their respective costs and all added together)

The second type of sweet box that contains 10 solid chocolate trufles, 5 cream centre truffles and 10 chocolate truffles with nuts cost $68.75

That is 10s+5c+10n = $68.75

The third type of sweet box that contains 24 truffles evenly divided that is 12 each of solid chocolate truffle and chocolate truffle with nuts cost $66.00

That is 12s+12n=$66.00

Hence option C is the right set of equations that will help us solve the values of each chocolate truffle.



6 0
4 years ago
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