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3 years ago

I know its the weekend but can someone please help me.

Mathematics

2 answers:

r-ruslan [8.4K]3 years ago

8 0

Answer: 3/10

If you want reason please let me know

laila [671]3 years ago

8 0

Answer:

3/10

Step-by-step explanation:

A negative multiplied by a negative is a positive, so I went with the positive 3/10 over the -3/10. I did the math in my head, so I'd recommend getting a second answer just in case. I hope this helped! <3

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3 9/10 + 4/5

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3 years ago

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The equation V = 16300 (0.94)^t represents the value (in dollars) of a car t years after its purchase. Use this equation to comp

Dafna1 [17]

Solution:

Given:

$V=16300(0.94)^t$

The value of a car after t - years will depreciate.

Hence, the equation given represents the value after depreciation over t-years.

To get the rate, we compare the equation with the depreciation formula.

$\begin{gathered} A=P(1-r)^t \\ \text{where;} \\ P\text{ is the original value} \\ r\text{ is the rate} \\ t\text{ is the time } \end{gathered}$

Hence,

$\begin{gathered} V=16300(0.94)^t \\ A=P(1-r)^t \\ \\ \text{Comparing both equations,} \\ P=16300 \\ 1-r=0.94 \\ 1-0.94=r \\ r=0.06 \\ To\text{ percentage,} \\ r=0.06\times100=6\text{ \%} \\ \\ \text{Hence, } \\ P\text{ is the purchase price} \\ r\text{ is the rate} \end{gathered}$

Therefore, the value of this car is decreasing at a rate of 6%. The purchase price of the car was $16,300.

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1 year ago

PEASE HELP ME 70 POINTS

scZoUnD [109]

Answer:

x: -2

f(x): 1.5

x: 0

f(x): 0.5

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Step-by-step explanation:

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Remark

Let the pigs = p

Let the chickens = c

Givens

30 heads is another way of saying that there were 30 creatures in the barnyard. In addition each chicken has 2 legs and each pig has 4

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C + 2P = 50 (3) Subtract (1) from (3)

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So there were 20 pigs.

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3 years ago