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Mumz [18]
3 years ago
14

A cable installer charges $30.00 per hour plus a $50.00 service charge. Your father's firm hires him to hookup his company's int

ernet service. Find the total charges it takes the cable installer 8.5 hours to complete the task.
Mathematics
2 answers:
vladimir1956 [14]3 years ago
4 0
30*8.5=255 255+50=$305
swat323 years ago
4 0
30x +50
30(8.5)+50
255+50= 305
The total charge is $305
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Answer:

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Step-by-step explanation:

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8 0
3 years ago
A 30 inch board is to be cut into three pieces? a 30 inch board is to be cut into three pieces so that the second piece is 4 tim
Ostrovityanka [42]
Total length of the board = 30 inch 

Length of,

-- First piece = x

-- Second piece = 4x

-- Third piece = 5x

5x + 4x + x = 30

10x = 30 

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Therefore, the lengths of:

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3 years ago
Find the value of c so that (x-5) is a factor of the polynomial p(x)
liubo4ka [24]

I think the question is

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The other factor is going to be some quadratic.  We can say a few things about its coefficients but let's start by saying in general it's

q(x)= ax^2 + bx + k

p(x) = (x-5)q(x)

x^3 + 2x^2 + cx + 10 = (x-5)(ax^2 + bx+k) = ax^3 + (b-5a)x^2 + (k-5b)x - 5k

Equating respective coefficients,

a=1

b-5a = 2

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so we get

b = 2 + 5 = 7

k = 10/-5 = -2

c = k - 5b = 2 - 5(7)= -37

Answer: -37

Check:

(x^2 + 7x - 2)(x - 5) = x^3 + 2 x^2 - 37 x + 10\quad\checkmark




7 0
2 years ago
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KIM [24]

Answer:

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The supplement of an angle is 180 - n.

Step-by-step explanation:

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18n = 3060

n = 3060/18

n = 170

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7 0
2 years ago
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Answer:2737t

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