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Aneli [31]
2 years ago
13

Danielle wants to buy a magazine for $11. The sales tax is 5%. How much would the total cost of the magazine be with tax include

d?
Mathematics
1 answer:
dimulka [17.4K]2 years ago
7 0

Answer:

$11.55

Step-by-step explanation:

If we convert the percentage to 1.05 and multiply it by 11, it's 11.55.

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A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a pers
tino4ka555 [31]

Answer:

19 situps

Step-by-step explanation:

Given that the regression equation to find a  a relationship between hours of TV watched per day (x) and number of situps a person can do (y) was done.

The result was

y = ax+b

y = -1.23x+22.738\\

Correlation coefficient = 0.865

To predict the number of situps a person who watches 3 hours of TV

y = -1.23(3)+22.738

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6 0
3 years ago
Choose Equivalent or Not Equivalent <br><br> a. 6(3x+5) and 18x+30 <br><br> b. 12y+3 and 3y+12
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5 0
3 years ago
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Ramon is graphing the function f(x) = 3(4)x. He begins by plotting the initial value. Which graph represents his initial step?
Montano1993 [528]

Answer:

The graph of his initial step in the attached figure

Step-by-step explanation:

we have

f(x)=3(4)^{x}

This is a exponential function of the form

y=a(b)^{x}

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a is the initial value

b is the base

r is the rate of change

In this problem

a=3 ---> the initial value ( value of the function when the value of x is equal to zero)

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The graph of his initial step in the attached figure

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3 years ago
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Step-by-step explanation:

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9+k = 20

k = 20-9

k = 11

the correct answer :

h = 9 and k = 11

7 0
3 years ago
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