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3 years ago

6x^2-5x+3 - (3x^2+8x-4)

Mathematics

2 answers:

amid [387]3 years ago

5 0

The answer should be 3x^2 -13x+7.

pantera1 [17]3 years ago

3 0

$6x {}^{2} - 5x + 3 - ( {3x}^{2} + 8x - 4)$

$= 6 {x}^{2} - 5x + 3 - {3x}^{2} - 8x + 4$

$= ( {6x}^{2} - {3x}^{2} ) + ( - 5x - 8x) + (3 + 4)$

$= {3x}^{2} - 13x + 7$

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dmitriy555 [2]

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8 0

2 years ago

Read 2 more answers

Solve for x.<br><br> 2/3x=10

Ierofanga [76]

2/3x=10
x=10÷2/3
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7 0

3 years ago

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Mekhanik [1.2K]

Answer:

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Step-by-step explanation:

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2 years ago

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-BARSIC- [3]

Option b is the best answer

8 0

1 year ago

Work the following pricing problems for services rendered. (For all calculations use hundredths.)

Lesechka [4]

Answer:

Hourly Rate = $12.22 per hour

Step-by-step explanation:

$\text{Labor Time = }4\tfrac{1}{2}=4.5\thinspace{ hours}$

Overhead Rate = 95%

Retail price of parts = $134.75

Total cost of job = $241.98

Cost of labor = Total cost - Retail price

= 241.98 - 134.75

= $107.23

Now, labor works for 4.5 hours and ears a total amount of $107.23

$\implies\text{Amount earned in one hour or hourly rate = }\frac{107.23}{4.5}\\\\\implies \text{Hourly rate = }\$23.83\text{ per hour}$

Now, Labor will get 95% overhead rate

⇒ The labor is getting 100% already but an overhead of 95% is also given

$\text{So, Hourly Rate = }\frac{23.83}{1+0.95}\\\\\bf\implies\textbf{Hourly Rate = }\$12.22\textbf{ per hour}$

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3 years ago