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pogonyaev
3 years ago
6

Hey everyone

Mathematics
1 answer:
Basile [38]3 years ago
5 0

Answer:

She will dive 30 meters below sea level

Step-by-step explanation:

0 is the sea level, so that means 0-30 meaning she will go 30 meters below sea level.

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Please help me, I know it’s not the first one but I think it’s the last one. Can somebody please confirm or deny?
GaryK [48]

Answer:

B. 2.2π m² : 3.2π m²

Step-by-step explanation:

Given:

Slant height (l) = 2.2 m

Diameter (d) = 2 m

Radius (r) = ½(2) = 1 m

Required:

Lateral area and surface area

Solution:

✔️Formula for lateral area of a cone = πrl

Plug in the values

Lateral area of the cone = π*1*2.2

Lateral area = 2.2π m²

✔️ Formula for surface area of a cone = πr(l + r)

Plug in the values

Surface area of the cone = π*1(2.2 + 1)

Surface area = π(3.2)

Surface area = 3.2π m²

The answer would therefore be:

2.2π m² : 3.2π m²

7 0
3 years ago
I don’t get this one but the question was something about finding the equation.
Alina [70]

9514 1404 393

Answer:

  y = -(x -3)^2 +2

Step-by-step explanation:

The vertex form of the equation for a parabola is ...

  y = a(x -h)^2 +k

where the vertex is (h, k) and the value 'a' is a vertical scale factor.

The value of 'a' can be found by looking at the y-value of points ±1 either side of the vertex relative to the vertex. Here, the vertex y-value is +2 at x=3, and either side goes down 1 unit (to y=1) for 1 unit to the right or left. So, a = -1.

Using the values we've read from the graph for the vertex (h, k) = (3, 2) and the scale factor a = -1, we can write the equation as ...

  y = -(x -3)^2 +2

4 0
3 years ago
Twice the sum of two numbers is 36 If one of the numbers is 10 find the other number​
Dahasolnce [82]

Answer:

8

Step-by-step explanation:

10 + 8 = 18

18 x 2 = 36

3 0
3 years ago
Read 2 more answers
Translate the following points 5 units up. <br> (-5, -2) (-2, 1) (-4, -7)
makkiz [27]
(-5, 3) (-2, 6) (-4, -2)
those will be your answers
8 0
3 years ago
Find the volume of the cube
Svet_ta [14]

This is a rectangular prism.  Its volume is V = (length)(width)(height).

Here, V = (10 cm)(3 cm)(2 cm) = 60 cm^3.

4 0
3 years ago
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