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Stella [2.4K]
2 years ago
8

Janelys needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer fo

r 5.75 hours and charged her $168 for parts. The total was $426.75. Write and solve an equation which can be used to determine xx, the cost of the labor per hour.
Mathematics
1 answer:
Sav [38]2 years ago
6 0

Answer: x = 45

Step-by-step explanation:

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If a pair of parallel lines are rotated, which is true?
valentina_108 [34]

Answer:

C) Rotated parallel lines always remain parallel lines.

Step-by-step explanation:Rotated parallel lines remain parallel lines.

Rotation is a rigid transformation, so the lines remain parallel.

7 0
3 years ago
Read 2 more answers
2. If you are paid time and a half for Saturday and double time for Sunday,
bogdanovich [222]

I can't give the exact answer as the base pay and weekly hours arn't stated but here's how to solve letters in parentheses are place holders just plug in the numbers accordingly :)

Step-by-step explanation:

<em>A</em><em>.</em>

figures needed, base pay (p) total hours worked (t) half

Saturday

p÷2= the ½ in time and a half (x)

p+x= 1 hr Saturday pay (s)

s+2= r (to cover the 30m)

7:00am to 11:30am 4hr 30m

12:00pm to 4:00pm 4hr

add them

8hr 30m

(s×8)+r= how much you were paid on Saturday

Sunday

p×2= h dubble pay

Calculate how many hrs worked on Sunday and apply the same logic as for Saturday appropriately divide the time if it doesn't come out as an even hour.

Final

Add Saturday and Sunday pay together to get weekend pay.

<em>B</em><em>.</em>

Same formula hours worked times hourly pay.

Add the weekday and weekend pay together and thats pt B.

Hope this helps!

5 0
2 years ago
I need help with this ASAP.
Nataly_w [17]

Answer:

1. Domain: -2, 0, 4; Range: -7, -1, 0, 3

2. Domain: -4, -1, 2, 3 Range: -5, 1, 8

Step-by-step explanation:

Domain and range are the just the x and y value in function table or ordered pair.

3 0
3 years ago
Given MO is perpendicular to NP and NO is congruent to PO prove MN is congruent to MP
VladimirAG [237]
Lets imagine the shape 
M
  /\
  / | \
  / | \
  / | \
  P /___ |___\ N
  O
 Now in If we take â†MOP and â†MON
 As MO ⊥ NP so â MON=â MOP
 NO=NP (given)
 And MO is a common side 
 so by side angle side rule of congruency 
 â†MOP and â†MON are congruent
 so MP is congruent to MN
8 0
4 years ago
The half-life of carbon 14 is years. How much would be left of an original -gram sample after 2,292 years? (To the nearest whole
lozanna [386]

Answer:

A = 0.75 gram or 1 gram

Step-by-step explanation:

The half-life of carbon 14 is years. How much would be left of an original -gram sample after 2,292 years? (To the nearest whole number).

We can use the following formula for half-life of ^{14}C to find out how much is left from the original sample after 2,292 years:  

A = A_{0}e^{-0.000124t}

where:

<em>A</em> is the amount left of an original gram sample after <em>t</em> years, and  

A_{0} is the amount present at time <em>t</em> = 0.

The half-life of  ^{14}C  is the time <em>t</em> at which the amount present is one-half the amount at time <em>t </em>= 0.

If 1 gram of  ^{14}C is present in a sample,  

 Solve for A when t = 2,292:  

Substituting A_{0}  = 1 gram into the decay equation, and we have:  

A = A_{0}e^{-0.000124t}

A = A_{0}e^{-0.000124(2,292)}

A = 0.75 g or 1 g  

6 0
3 years ago
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