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tester [92]
3 years ago
6

Amar bought a sled for $36.24. Sales tax is 8%. What is the total cost of his purchase? (step by step explanation)

Mathematics
1 answer:
Alborosie3 years ago
7 0

Answer:

$39.14 rounded

Step-by-step explanation: First you change the percent into a decimal which is 0.08.Then you multiply this to 36.24.Next you add 2.8992 to 36.24 and you should get 39.1392.Round it and you get 39.14.Rounded to nearest dollar is $39

Hope this helps!!!!!

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Help find the missing number for x
elena55 [62]

Answer:

41

Step-by-step explanation:

x² = 40²+9²

= 1600+81

= 1681

x= √1681 = 41

3 0
3 years ago
What is the equation, in point-slope form, for a line that goes through ​ (2, −6)(2, −6) ​ and has a slope of ​ −34−34 ​ ?
Keith_Richards [23]
The answer is the last one option: y+6=-34(x+2). I told you the reason in the other similar question.
8 0
3 years ago
The question is: "Without actually graphing, describe how the graph of y = ( -2^(x+17) ) - 4.3 is related to the graph of y = 2^
Leokris [45]

Answer:

The function has been flipped due to the negative in front.

The function has been shifted 17 units to the left.

The function has been shifted 4.3 units down.

Step-by-step explanation:

When functions are transformed there are a few simple rules:


  • Adding/subtracting inside the parenthesis to the input shifts the function left(+) and right(-).
  • Adding/subtracting outside the parenthesis to the output shifts the function up(+) and down(-).
  • Multiplying the function by a number less than 1 compresses it towards the x-axis.
  • Multiplying the function by a number greater than 1 stretches it away from the x-axis.
  • Multiplying by a negative flips the graph.

The graph of (-2^{x+17}) -4.3 compares to 2^x in the following ways:

The function has been flipped due to the negative in front.

The function has been shifted 17 units to the left.

The function has been shifted 4.3 units down.

4 0
3 years ago
What does 3 (2x - 4) = 8x 14 equal?
jeka57 [31]
6x - 12 = 8x + 14
2x = - 26
x = - 13
5 0
3 years ago
The value of a certain car decreases by 16% each year. What is the 1⁄2-life of the car?
svet-max [94.6K]

Answer:

The half life of the car is 3.98 years.

Step-by-step explanation:

The value of the car after t years is given by the following equation:

V(t) = V(0)(1-r)^{t}

In which V(0) is the initial value and r is the constant decay rate, as a decimal.

The value of a certain car decreases by 16% each year.

This means that r = 0.16

So

V(t) = V(0)(1-r)^{t}

V(t) = V(0)(1-0.16)^{t}

V(t) = V(0)(0.84)^{t}

What is the 1⁄2-life of the car?

This is t for which V(t) = 0.5V(0). So

V(t) = V(0)(0.84)^{t}

0.5V(0) = V(0)(0.84)^{t}

(0.84)^{t} = 0.5

\log{(0.84)^{t}} = \log{0.5}

t\log{0.84} = \log{0.5}

t = \frac{\log{0.5}}{\log{0.84}}

t = 3.98

The half life of the car is 3.98 years.

7 0
3 years ago
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