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ddd [48]
3 years ago
13

Julia earns $9.50 per hour. She worked 30 hours at a regular rate, 10 hours at time and a half, and 5 hours at double time. What

are her total wages
Mathematics
2 answers:
son4ous [18]3 years ago
6 0
Is it $427.50, or did i miscalculate 

elixir [45]3 years ago
4 0
9.50*30= 285
9.50*10.5=99.75
9.50*2*5= 95
Total: 479.75
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Factories 54m3n + 81m4n2 b) 15x2y3z + 25x3y2z + 35x2y2z​
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<u>Part a)</u>

Given the expression

54m^3n\:+\:81m^4n^2

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54m^3n\:+\:81m^4n^2=54m^3n+81m^3mnn     ∵ m^4n^2=m^3mnn

Rewrite 81 as 3 · 27

Rewrite 54 as 2 · 27

                             =2\cdot \:27m^3n+3\cdot \:27m^3mnn

Factor out the common term:   27m³n

                              =27m^3n\left(2+3mn\right)      

Therefore,

54m^3n\:+\:81m^4n^2=54m^3n+81m^3mnn=27m^3n\left(2+3mn\right)

<u>Part B)</u>

Given the expression

15x^2y^3z+25x^3y^2z+35x^2y^2z

Apply exponent rule:    a^{b+c}=a^ba^c

15x^2y^3z+25x^3y^2z+35x^2y^2z=15x^2y^2yz+25x^2xy^2z+35x^2y^2z

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Factor out common term 5y²x²z

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Therefore,

15x^2y^3z+25x^3y^2z+35x^2y^2z=5y^2x^2z\left(3y+5x+7\right)

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5*2=10
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Hope it helps
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