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goldenfox [79]
3 years ago
14

A= a+b/2 solve for b

Mathematics
1 answer:
cricket20 [7]3 years ago
8 0
2A=a+b (multiply both sides by 2)
2A-a=b (subtract a)
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A concrete pillar has the shape of a cylinder. It has a diameter of 8 m and a height of 9 m. If concrete cost $87 per cubic mete
krek1111 [17]

Answer:

It will cost $39,337.92 for the piller.

Step-by-step explanation:

Given that,

The diameter of the cylinder, d = 8 m

Height of the cylinder, h = 9 m

If concrete cost $87 per cubic meter, we need to find how much the concrete cost for the pillar.

The volume of the cylinder is given by :

V=\pi r^2h\\\\=3.14\times (4)^2\times 9\\\\=452.16\ m^3

Cost per cubic meter = $87

Cost for 452.16 m³ will be :

C = 452.16 × 87

C = $39,337.92

Hence, it will cost $39,337.92 for the piller.

3 0
3 years ago
(4x^3-3x^2+5x+6) /(x+6) what is the quotient
lawyer [7]

Answer:

(4x2 + x + 6) • (x - 1)

———————————————————————

x + 6

3 0
4 years ago
What number is represented by these base ten blocks
MAXImum [283]

Answer:

Base ten blocks can represent values such as 1, 10, 100, and 1000.


4 0
3 years ago
-5u+2x=22 -u-6x=-34 <br><br> system of equations elimination
Sveta_85 [38]
<span>A) -5u + 2x = 22
B) -u - 6x = -34
</span>Multiplying A) by 3
A) -15u +6x = 66
B) -u -6x = -34  Then adding the 2 equations:
-16u = 32
u = -2
x = 6


5 0
3 years ago
Please answer number 8 for me?? Im so confused on how to do it.
rjkz [21]

Answer:

A. )3(-3) - 2 = -11

B.) 3(1) - 2 = 1

C.) 3(5) - 2 = 13

  • Y = -11
  • Y = 1
  • Y = 13

Domain: -3, 1, 5

Range: -11, 1, 15

Input: -3, 1, 5

Output: -11, 1, 13

Function: Yes

Linear: Yes

{ (-3, -11) (1, 1) (5, 13) }

Step-by-step explanation:

A.)  

  1. 3x - 2
  2. 3(-3) - 2                              [3 x -3 = -9]
  3. -9 -2 = -11

B.)

  1. 3(1) - 2                                 [3 x 1 = 3 Duh]
  2. 3 - 2 = 1

C.)

  1. 3(5) - 2                             [3x5 = 15]

    2. 15 - 2 = 13

5 0
3 years ago
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