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Eddi Din [679]
3 years ago
15

Question 9, literally almost done

Mathematics
2 answers:
Liula [17]3 years ago
7 0

Answer:

D. 8

Step-by-step explanation:

f(3) = 2·3 - 2 = 4

2·f(3) = 2·4 = 8

AysviL [449]3 years ago
3 0

Answer:

A 4

Step-by-step explanation:

2(3)=6-2=4

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Which set of ordered pairs does not represent a function?
Bess [88]

Answer:

The second choices is the answer

O{(-3,4), (-8,0), (3,-8), (-3,-4)} as you can see there's a repeating domain or value of x which is the -3

3 0
3 years ago
Which explanation can be used to informally derive the formula for the volume of a cylinder? a cylinder is similar to a triangul
romanna [79]
The correct is one is; A cylinder is like a stack of circles. The volume of the cylinder would be the area of the circle multiplied by the height of the cylinder. The height of the cylinder represents how many circles are in the stack. Therefore, we get the formula πr²h, where πr² represents the area of the circle and h the height of the circle.
6 0
3 years ago
Read 2 more answers
determine (a) the volume and (b) the surface area of the three-dimensional figure. when appropriate, use pi key on your calculat
lawyer [7]

Answer:

Volume = 150 yd^3

Surface Area = 150 yd^2

Step-by-step explanation:

Going by the dimensions of the given three-dimensional figure, we can conclude that the figure is that of a cube. The height, length and width are equal.

Volume of a cube is given as a^3 , while surface area of a cube is given as 6a^2

Where, a = the side length = 5 yards

Volume = a^3 = 5^3

Volume = 150 yd^3

Surface Area = 6a^2 = 6(5)^2

Surface Area = 150 yd^2

3 0
4 years ago
If (5x−2)^2=ax^2−bx+c, what is the value of a+c^2?
Nostrana [21]

Answer:

41

Step-by-step explanation: u first expand (5x-2)²

to get 25x²-20x+4

then by comparing it to ax²+bx=c

u get a=25 b=-20 and c=4

the u evaluate a+c²

25+4²

=41

3 0
3 years ago
Refer to the triangle. Round to the nearest The value of x is tenth.​
liubo4ka [24]
Is there a picture or any numbers given ?
7 0
3 years ago
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