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Paha777 [63]
3 years ago
7

A book cost $9.60 after sales tax the book is $10.20 what is the sales tax rate

Mathematics
1 answer:
lesya [120]3 years ago
5 0
10.20 - 9.60 = .60
.60 % 9.60 = .0625
move the decimal 2 times to the right
so your answer is: 6.25%
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Due tomarrow please help!!!!!!!!!!!!!!!!!!!!!!!!!  Identify the independent and dependent variables in the following statement.
BlackZzzverrR [31]
The independent variable is the variable that is being changed. In this statement, it would be water flowing flowing in the pool. The dependent variable is what is being changed so that would be the depth of the water.

There, I hope this helps! :)

6 0
3 years ago
20x + 5<br> 24.x-1<br> what’s x?
iogann1982 [59]

Step-by-step explanation:

20x+5=24x-1

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7 0
3 years ago
Lucas' mom is eight years older than twice his age. The sum of their ages is 77. How old are Lucas and his mom?
Rudiy27

Answer:

Age of Lucas = 23 years

Age of Lucas Mom = 54 Years

Step-by-step explanation:

In this question we have to find the age of Lucas and his Mom

Let the age of Lucas be x

According to given condition

Twice of his age 2 * x =2x

Eight years older means age + 8x

So

Age of his mom = Twice of his age + 8

                           = 2x + 8               .................(ii)

now according to second condition

Age of Lucas + Age of his mom = 77

Put the values in the condition above

x + (2x + 8) = 77

x + 2x + 8 =77

3x + 8 = 77

subtracting 8 from both sides

3x + 8 - 8 = 77 -8

3x = 69

Dividing both sides by 3

x = 69 / 3

x = 23 years

Age of Lucas = 23 years

Now from equation (i)

Age of Lucas Mom = 2(x) + 8

putting in the value we get

Age of Lucas Mom = 2 ( 23) + 8

                               =46 + 8

                               =54 Years

Age of Lucas Mom = 54 Years

3 0
3 years ago
Enter the number that belongs in the green box.
IRISSAK [1]

Answer:

90°

Step-by-step explanation:

All sides of the given quadrilateral are 4 units, that is they are equal. Hence it is a RHOMBUS.

Diagonals of a rhombus bisects each other at right angles (90°).

x = 90°

7 0
3 years ago
What is the relation of f(x)=5x+1
Aliun [14]

Answer:

12

Step-by-step explanation:

4 0
3 years ago
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