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Mila [183]
3 years ago
14

Hello can someone please help me with this. I'll give 50 points.

Mathematics
2 answers:
Stels [109]3 years ago
8 0

Answer: b. 11 laptops and 19 tablets

Step-by-step explanation:

Elza [17]3 years ago
5 0

Answer:

I think it's A because that's only 10,620

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AB contains the points A(7, -11) and B (8, 17) Find the slope of a line perpendicular to AB.
lesya692 [45]
The slope of the line containing the points is 28... we need the negative reciprocal of this for the slope of line perpendicular.. 

So the slope would be: choice B
6 0
3 years ago
50. Insert three geometric means between 2 and 512.
saveliy_v [14]
The three geometric means between 3 and 512 are…


8, 32, 128

OR

-8, 32, -128
5 0
2 years ago
A silo is a composite of a cylindrical tower with a cone for a roof. Find the volume of the silo if the
xxMikexx [17]

Answer:

5127079.21 cubic feet

Step-by-step explanation:

The silo is in the shape of a cylinder and a cone.

The volume of the silo will be the sum of the volumes of the cylinder and the cone.

Therefore, its volume is:

V = \pi r^2h + \frac{1}{3} \pi rH

where r = radius of cylinder and cone

h = height of cylinder

H = height of cone

The radius of the base is 120 feet, the height of the roof (cone) is 25 feet. The height of the entire silo is 130 feet. This means that the height of the cylinder is:

130 - 25 = 105 feet

Therefore, the volume of the silo is:

V = (\pi * 120^2 * 105) + (\frac{1}{3} * 120^2 * 25)\\\\V = 4750088.09 + 376991.12\\\\V = 5127079.21 ft^3

The volume of the silo is 5127079.21 cubic feet.

3 0
2 years ago
The endpoints of a side of rectangle ABCD in the coordinate plane are at A(3, 5) and B(5, 1). Find the equation of the line that
andreyandreev [35.5K]

Answer:

2x + y = 16

Step-by-step explanation:

In rectangle side AB and side CD are parallel, so the slope of both the lines will be same it means that they are parallel to each other.

slope of line AB:

\textrm{m}=\frac{\textrm{y}_{A}-\textrm{y}_{B}}{\textrm{x}_{A}-\textrm{x}_{B}}\\\textrm{m}=\frac{5-1}{3-5}=\frac{4}{-2}=-2\\\therefore \textrm{m}=-2

slope of line CD = slope of line AB = -2

∴ equation of line CD:

\textrm{y}-\textrm{y}_{C}=\textrm{m}(\textrm{x}-\textrm{x}_{C})\\ \textrm{y}-2=-2(\textrm{x}-7)\\2\textrm{x}+\textrm{y}=16

3 0
3 years ago
Which shows all the factor pairs of 27?
antoniya [11.8K]

Answer:

The factors of 27 are 1, 3, 9, and 27 (๑・ω-)~♥”

7 0
2 years ago
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