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liberstina [14]
3 years ago
12

4y-12x+8=0; Solve for y

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
4 0
4y-12x+8=0

4y = 12x-8

y = 3x - 2
Luba_88 [7]3 years ago
3 0
4y-12x+8=0\ \ \ \ /+12x\\\\4y+8=12x\ \ \ \ /-8\\\\4y=12x-8\ \ \ \ /:4\\\\y=\frac{12x}{4}-\frac{8}{4}\\\\y=3x-2
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You bought your car for $12500 and it is depreciating at 13% per year. How long until it is only worth half of what you paid for
il63 [147K]

Answer:

5 years

Step-by-step explanation:

We are given;

  • Initial value of the car = $12,500
  • Rate of Depreciation = 13% per year
  • New value (after depreciation) = $6,250 (half the initial value)

We are required to determine the time taken for the value of the car to depreciate to half the original value.

  • We need to know the depreciation formula;
  • New value = Initial value ( 1 - r/100)^n

Therefore;

$6,250 = $12,500(1 - r/100)^n

0.5 = (1 - 13/100)^n

0.5 = 0.87^n

Introducing log on both sides;

log 0.5 = n log 0.87

Therefore;

n = log 0.5 ÷ log 0.87

  = 4.977

  = 5 years

Therefore, it takes 5 years for the value of the car to depreciate to half the initial value.

5 0
3 years ago
Your supervisor asks you to figure out how many sets of bed linens can be washed in an 8 hour shift. Here are the facts you know
Anit [1.1K]

Answer:

100

Step-by-step explanation:

There are two washers to do linen washing.  

We can fit only 5 sets of linens in one washer, and 45 mins are required to wash the linens.

Therefore, within 45 mins we can wash (5×2) =10 sets of lines.

If the shift is of 8 hours i.e. ( 8×60) =480 mins, then within this time the number of linen sets will be washed is (480/45)×10 = 106.67 ≈100 (Answer)

{Since the number of linen set to be washed will be multiple of 10}

5 0
3 years ago
Factor Completely 3x2-7x+2 and please show work !!
PIT_PIT [208]

Answer:

8-7x

Step-by-step explanation:

3x2-7x+2

6-7x+2

8-7x

7 0
3 years ago
Please can someone help!
KIM [24]

Answer:

Charles: 17 points

Adam: 25 points

Bethany: 30 points

6 0
3 years ago
Read 2 more answers
A machine produces 312 bolts in 30 minutes. At the same rate, how many minutes would it takes to produce 260 bolts.
myrzilka [38]
Hi

312 bolts ⇒ 30 min
260 bolts ⇒ x min

312x = 30·(260)
312x = 7800
x = 7800/312
x = 25 min

Answer: 25 minutes
4 0
3 years ago
Read 2 more answers
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