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DanielleElmas [232]
3 years ago
8

Please Help!i really need help with this!​

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

Answer:

11,5 cm or 23 squares

Step-by-step explanation:

draw a cartesian graph and put on the coordinates given then use a ruler

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I need to know the surface area of these
anastassius [24]

9514 1404 393

Answer:

  245 cm²

Step-by-step explanation:

The surface area of a cone is given by ...

  SA = πr(r +s) . . . . where r is the radius, and s is the slant height

Filling in the given values, we have ...

  SA = (3.14)(3 cm)(3 cm +23 cm) = (3.14)(3)(26) cm² ≈ 245 cm²

The surface area of the cone is about 245 cm².

6 0
2 years ago
What is the best approximation of the surface area of this right cone?
inn [45]
\bf \textit{total surface area of a cone}\\\\
s=\pi r\sqrt{r^2+h^2}+\pi r^2\quad 
\begin{cases}
r=radius\\
h=height\\
-----\\
r=12\\
h=9
\end{cases}
\\\\\\
s=\pi (12)\sqrt{12^2+9^2}+\pi (12^2)\implies s=12\pi \sqrt{225}+144\pi 
\\\\\\
s=12\pi (15)+144\pi \implies s=180\pi +144\pi \implies s=324\pi
8 0
3 years ago
I'm confused on case 3 sea level
Ratling [72]
Try 488 or 3050 but I think it is most likely 488.
4 0
3 years ago
What is the value of x in the equation
Alex

Answer:

D) 57

Step-by-step explanation:

1/3x- 1/2 = 18 1/2

1/3x = 19

(3) * 1/3x = 19 (3)

x = 57

8 0
3 years ago
Read 2 more answers
Last month, customers at a gift shop bought 40 birthday cards,
Iteru [2.4K]

Answer:

32 People

Step-by-step explanation:

I put 40 (Number of birthday cards bought previously) over 125 (Number of expected costumers) and multiplied it by 100 (Total number of card bought previously) to get my answer. Hopefully that helps :)

7 0
2 years ago
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