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icang [17]
3 years ago
15

Jacinta, an internet website designer, works a 38 hour week and earns $3115.35 every fortnight. Calculate her earnings:

Mathematics
2 answers:
sveticcg [70]3 years ago
6 0

Step-by-step explanation:

total working duration = 2 weeks

Working duration in hours = 38× 2= 76 hours

a) per year

24*3115.35 = $74768

b) 3115.35/2

$1557.675

c)

3115.35/76

$40.99

Lubov Fominskaja [6]3 years ago
4 0

Answer:

  • a) $80999.10
  • b) $1557.68
  • c) $40.99

Step-by-step explanation:

<u>Given</u>

  • Jacinta earns $3115.35 every 2 weeks, working 38 hours a week

<u>Earnings calculated as:</u>

a) per year

Number of weeks in a year = 52

  • $3115.35*52/2 = $80999.10

b) per week

  • 1/2*$3115.35 = $1557.68

c) per hour

  • $3115.35/(38*2) = $40.99
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Answer:

\boxed{a_n \:  =  \: 64 \:  \times  \: ( -  \frac{3}{4} ) ^{n \:  -  \: 1} }

Step-by-step explanation:

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r \:  =  \:  \frac{ - 48}{64}  \\  \\ r   \:  =  \:  \frac{36}{ - 48}  \\  \\  r \:  =  \:  \frac{ - 27}{36}

  • We simplify the fractions:

r \:  =  \:   -  \frac{3 }{4}   \\  \\ r   \:  =  \:   -  \frac{3 }{4}  \\  \\  r \:  =  \:    -  \frac{3 }{4}

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r \:  =  \:  -  \frac{3 }{4}

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a_1 \:  =  \: 64; \: r \:  =  \:  -  \frac{3 }{4}

<h3>We apply the data in this formula:</h3>

\boxed{a_n \:  =  \: a_1 \:   \times  \:  {r}^{ n \:  -  \: 1} }

_______________________

<h3>We apply:</h3>

\boxed {\bold{a_n \:  =  \: 64 \:   \times  \:  {( -  \frac{3}{4} )}^{ n \:  -  \: 1} }}

<u>Data</u>: The unknown "n" is the term you want

<h3><em><u>MissSpanish</u></em></h3>
4 0
2 years ago
Noah says that 9X minus 2X plus 4X is equivalent to 3X because the subtraction sign tells us to subtract everything that comes a
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Answer:

False

Step-by-step explanation:

It is given that Noah thinks :

9x - 2x + 4x = 3x   as the subtraction sign after 9x tells us to subtract everything that comes after 9x.

This is wrong as according to the BODMAS rule, we have to do the addition operation first and then followed by subtraction operation.

That is

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Step-by-step explanation:

m=p/2-n   (1)

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Subtract m from both sides of the equation (2)

m-m+n=p/2-m => n=p/2-m

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Answer:

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Step-by-step explanation:chupapi munanyo

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