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Semenov [28]
3 years ago
14

Kito makes on online purchase of a guitar case for $39.99, a tuner for $24.99 and picks for $26.99. Taxes are 6% of the total pu

rchase price.
Mathematics
1 answer:
laila [671]3 years ago
3 0
The answer is $97.49
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3/2 of a number is less than the number.<br>True or false<br>Justify your answer. ​
emmasim [6.3K]

Answer:

False

Step-by-step explanation:

You are 1 unit more than the whole.

5 0
3 years ago
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The graph of F ( x ) = 4/x2 - 2x - 3 is shown <br> for which values of X is f ( x ) decreasing
Elza [17]

Hi there!

\large\boxed{(-\infty, \sqrt[3]{-4}) \text{ and } (0, \infty) }

We can find the values of x for which f(x) is decreasing by finding the derivative of f(x):

f(x) = \frac{4}{x^2} - 2x - 3

Taking the derivative gets:

f'(x) = -\frac{8}{x^3} - 2

Find the values for which f'(x) < 0 (less than 0, so f(x) decreasing):

0 = -8/x³ - 2

2 = -8/x³

2x³ = -8

x³ = -4

x = \sqrt[3]{-4}

Another critical point is also where the graph has an asymptote (undefined), so at x = 0.

Plug in points into the equation for f'(x) on both sides of each x value to find the intervals for which the graph is less than 0:

f'(1) = -8/1 - 2 = -10 < 0

f'(-1) = -8/(-1) - 2 = 6 > 0

f'(-2) = -8/-8 - 2 = -1 < 0

Thus, the values of x are:

(-\infty, \sqrt[3]{-4}) \text{ and } (0, \infty)

6 0
3 years ago
Round to the nearest place 4,551,999
enyata [817]
Ya have to round it to the nearest hundred, so that would be 2 thousand.
so it's 4,552,000
3 0
3 years ago
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It is 5 degrees outside and the temperature will drop 4 degrees each hour for the next 3 hours. What will the temperature be in
Softa [21]

Answer:

  -7 degrees

Step-by-step explanation:

The temperature is predicted to be ...

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To find the change, multiply the rate of change by the time period. To find the new temperature, add the change to the starting temperature.

8 0
3 years ago
Translate the sentence into an equation.
hram777 [196]

Answer:

5y+2=7

Step-by-step explanation:

..........................

6 0
3 years ago
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