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asambeis [7]
3 years ago
12

After a 7.5% tax Tom paid $30.09 for a new hat what is the price of the hat before tax

Mathematics
2 answers:
nekit [7.7K]3 years ago
7 0

Answer:

$27.83

Step-by step explanation:

Alexandra [31]3 years ago
7 0

Answer:

27.83$  I believe

Step-by-step explanation:

30.09 is the end price, so multiply that times 7.5% or 0.075 in decimal terms

You would get 2.25675 which is the amount of tax that was paid

So all you have to left is subtract 2.25675 from 30.09 to find the original price

30.09-2.25675=27.83325

or 27.83 rounded to the nearest hundredth

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Complete each statement then state the property or properties illustrated by each statement on
VMariaS [17]

Answer:

(8n)(-77)=-77(n*8)

We move all terms to the left:

(8n)(-77)-(-77(n*8))=0

We add all the numbers together, and all the variables

8n(-77)-(-77(+n*8))=0

We multiply parentheses

-616n-(-77(+n*8))=0

We calculate terms in parentheses: -(-77(+n*8)), so:

-77(+n*8)

We multiply parentheses

-616n

Back to the equation:

-(-616n)

We get rid of parentheses

-616n+616n=0

We add all the numbers together, and all the variables

=0

n=0/1

n=0

the property is Associative Property

Step-by-step explanation:

this one was kinda hard pls let me know it its right or not

7 0
2 years ago
Which of the following equations describe the line shown below? 
frez [133]
Here, Slope (m) = y2 - y1 / x2 - x1
m = 10 - 2 / 1 - (-3)
m = 8 / 4
m = 2

y - 10 = 2 (x - 1)
Also, y - 2 = 2(x + 3)

In short, Your Answers would be A & B

Hope this helps!
4 0
2 years ago
Does anyone know how to solve this?
erik [133]

Answer:

A point in polar coordinates is written as (R, θ)

If we want to transform this point to rectangular coordinates, we get:

x = R*cos(θ)

y = R*sin(θ)

Now we can remember that the sine and cosine functions have a period of 2*pi, then:

cos(θ) = cos(θ + 2*pi)

or:

cos(θ) = cos(θ + 2*pi + 2*pi)

and so on.

Then the point (R, θ) is the same as (R, θ + 2*pi) and (R, θ + k*(2*pi))

where k can be any integer number.

Then if we have a point in polar coordinates:

(-4, -5*π/3)

Then another two polar representations of this point are:

(-4, -5*π/3 + 2*π) = (-4, -5*π/3 + 6*π/3) = (-4, π/3)

Now we can not add 2*π (nor subtract) because we would have an angle outside the range [-2*π, 2*π]

For example, if we have:

(-4, π/3 + 2*π) = (-4, 7*π/3)

And we can not change the value of the radius and get the coordinates for the same point.

So another representation could be something like:

(-8/2, π/3)

Where i just wrote -4 in another way.

Now, a really important point.

When working with polar coordinates, we always use R as a positive number (here you can see that R is negative) so this is not the standard notation for the polar representation of a point.

8 0
3 years ago
Which of the following is true about a parallelogram?
andriy [413]
The diagonals bisect each other
5 0
2 years ago
Read 2 more answers
Sadie was using a metal spoon to eat her soup and her spoon became hot. Which correctly describes the process that caused the sp
IrinaK [193]

Answer:

The answer is D metal is a connductor that is why many of our hot appliances such as grills, ovens, and hot iron tools are metal

Step-by-step explanation:

brainlest plz

6 0
2 years ago
Read 2 more answers
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