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likoan [24]
3 years ago
12

Type the missing number in this sequence:1,2,4,16​

Mathematics
2 answers:
Anna [14]3 years ago
5 0
8, because
1 x 2 is 2
2x2 is 4
4x 2 is 8
8 x 2 is 16
ExtremeBDS [4]3 years ago
5 0

Answer:

8.

Step-by-step explanation:

1+1=2

2+2=4

4+4=8

(8+8=16)

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A cylinder has a surface area of 224 pie square meters and a diameter of 14 meters. Find the height of the cylinder.
inna [77]

Answer: 9 meters

Step-by-step explanation:

Hi, to answer this question we have to apply the formula:

Surface area if a cylinder (S)= 2 π r2 + 2 π r h

Where r is the radius and h is the height

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14 =2r

r = 14/2 = 7 meters

Replacing with the values given and solving for h:

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7 0
4 years ago
50 POINTS EACH
Andrews [41]

Since s and t are complimentary, that means ∠s + ∠t = 90

From the picture, we also know that ∠t + ∠LGM = 90

Set them equal to each other:

∠s + ∠t = ∠t + ∠LGM, solve:

∠s = ∠LGM

Now using the fact that tangent = opposite/adjacent:

tan (∠s) = \frac{y}{h}

tan (∠s) = \frac{h}{x}

Set them equal to each other to get:

\frac{y}{h} = \frac{h}{x}

Solve:

h^{2}= xy\\h = \sqrt{xy}

Part B:

Using tan (∠s) = \frac{y}{h}

We get: h = \frac{3}{tan38} = 3.84 meters

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3 0
3 years ago
Can I have help please? :D
zhenek [66]

Answer:

210

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