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Nimfa-mama [501]
3 years ago
13

A local Siri collects 8% sales tax. if the total purchase was $216 then how much was collected for sales tax

Mathematics
1 answer:
lesantik [10]3 years ago
3 0

Answer:

$17.28 were collected for sales tax

Step-by-step explanation:

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The first is C. The second is A.
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Suppose you want to study the relationship between smoking and cancer. You assume that smoking is a cause of cancer. Studies hav
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Answer:

The correct answer is:

In the above example cancer is an independent variable. (b)

Step-by-step explanation:

In order to explain the choice made, let m first explain what independent and  dependent variables are:

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Dependent variable: A dependent variable is a variable that the experimenter sets out to study. The independent variable is not under the direct manipulation of the experimenter but has values that come about as a result of the change of the independent variable. In this example, cancer is the dependent variable, because it is the result of the manipulation of the amount of tobacco.

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The present age of father is thrice as old as the age of daughter 5 years ago. If 5 years hence ,the age of father will be twice
pav-90 [236]

Answer:

<em>Hence the daughter's present age is 15 years</em>

<em>The fathers present age is 35 years</em>

<em></em>

Step-by-step explanation:

Let the present age of daughter be x

Let the present age of father be y

5 years ago;

Daughter's age = x - 5

Fathers age = y - 5

If the present age of father is thrice as old as the age of daughter 5 years ago, then;

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In 5 years time;

Daughters age = x + 5

Fathers age = y + 5

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y+5 = 2(x+5)

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Equate 1 and 2;

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3x - 2x = 5 + 10

x = 15

Since y = 2x + 5

y = 2(15) + 5

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<em>Hence the daughter's present age is 15 years</em>

<em>The fathers present age is 35 years</em>

<em></em>

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