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2 years ago

Someone please tell me this answer!!

Mathematics

2 answers:

qwelly [4]2 years ago

5 0

This is 72
…………………….

abruzzese [7]2 years ago

4 0

72

Explanation:
Volume of cuboid = 2 x 4 x 6 = 48 in3
Volume of pyramid = 1/3 x (4 x 6) x 3 = 24 in3
Total volume = 48 + 24 = 72 in3

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PLEASE HELP MEH!!! Will give brainliest!

soldier1979 [14.2K]

Petri dish A has 1080000000000000
Petri dish B has 270000000000
Petri dish a is greater by 1.07973E15
Hope that helped :)

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2 years ago

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The sum of the first n terms of an arithmetic sequence is n/2(4n + 20).

lesantik [10]

Answer:

(a).

$S_{n} = \frac{n}{2} (4n + 20) \\ \\S _{n - 1} = \frac{(n - 1)}{2} (4n - 4 + 20) \\ \\ S _{n - 1} = \frac{(n - 1)}{2} (4n + 16) \\ \\S _{n - 1} = \frac{(n - 1)(4n + 16)}{2} \\ \\ { \boxed{S _{n - 1} = {2 {n}^{2} + 6n - 8}}} \\$

(b).

from general equation:

$S _{n - 1} = \frac{(n - 1)}{2} (4n + 16)$

first term is 4n

common difference:

$16 = \{(n - 1) - 1 \}d \\ 16 = (n - 2)d \\ d = \frac{16}{n - 2}$

8 0

2 years ago

Can a triangle have two obtuse angle

Dvinal [7]

Nope It is impossible

4 0

2 years ago

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Sorry i didnt mean to post anything

Dmitry [639]

Hi you seem nice I like hot cocoa and I’m a littleAnd 1+1 is two and 3+3 is six and 9+9 is 18

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2 years ago

First, find the volume for each bottle. Use 3.14 for pie or the pie button and round to the nearest hundredth. Volume of cylinde

marshall27 [118]

the volume of the cylinder is 572.27 cm³

Explanation:

Given:

radius of the cylinder = 4.5cm

height = 9cm

To get the volume of the cylinder, we will use the formula:

$\begin{gathered} Volume\text{ = \pi r^^b2h} \\ where\text{ \pi= 3.14} \\ r\text{ = radius, h = height} \end{gathered}$ $\begin{gathered} Volume\text{ of the cylinder = 3.14 }\times\text{ 4.5}^2\text{ }\times\text{ 9} \\ Volume\text{ of the cylinder = 3.14 }\times\text{ 182.25} \\ \\ Volume\text{ of the cylinder = 572.265 cm}^3 \end{gathered}$

To the nearest hundredth, the volume of the cylinder is 572.27 cm³

3 0

8 months ago