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makkiz [27]
2 years ago
12

Sales tax for an item was 13.80$ and it cost 460$ before tax. Whats the sale tax rate in percentage?

Mathematics
2 answers:
Butoxors [25]2 years ago
8 0
It is $2837383 dollars
jolli1 [7]2 years ago
8 0

3%  

13.80:460*100 =

(13.80*100):460 =

1380:460 = 3

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How to solve the equation 9v = 8 + v
zloy xaker [14]
Here are some things you should know when solving algebraic equations.

If you add an expression to both sides of an equation, the resulting equation will have the same solution set as the original equation. In other words, they will be equivalent. This is true for all operations. As long both sides are treated the same, the equation will stay balanced.

You will also need to know how to combine like terms. But what are like terms to begin with? Like terms are defined as two terms having the same variable(s) (or lack thereof) and are raised to the same power. In mathematics, something raised to the first power stays the same. So, 5x and 10x are like terms because they both have the same variable and are raised to the first power. You don’t see the exponents because it doesn’t change the value of the terms.

To combine like terms, simplify add the coefficients and keep the common variable(s) and exponent.

The distributive property is another important rule you will need to understand.

The distributive property is used mostly for simplifying parentheses in expressions/equations. 

For example, how would you get rid of the parentheses here?

6(x + 1)

If there wasn’t an unknown in between the parentheses, you could just add then multiply. That is what the distributive property solves. The distributive property states that a(b + c) = ab + ac

So, now we can simplify our expression.

6(x + 1) = 6x + 6

Now let's solve your equation.

9v = 8 + v
8v = 8 <-- Subtract v from each side
v = 1 <-- Divide both sides by 8

So, v is equal to 1.
5 0
2 years ago
I really need help with this ?
quester [9]

Answer:

Answer=44

Step-by-step explanation:

Rectangle: 6x4=24.

Triangle: 4x4=16, and 16/2=8.

Semicircle: Pi x radius squared, so pi x 2 squared is 16.something, and since it's a semicircle, we divide by 2, so it's 8 again.

Overall: 24+8+8=44 cm squared.

3 0
3 years ago
What is the answer to x-1=-5-x
maria [59]

Answer:

x=-2

Step-by-step explanation:

We have the equation x-1=-5-x

In order to solve for x, we need to get all of the x's to one side and everything else to the opposite side

x-1=-5-x

First, we can add 1 to each side

x=-4-x

Now, we can add x to each side

2x=-4

Next, we can divide each side by 2

x=-2

And here is our answer.

8 0
3 years ago
Prove that a rectangle has congruent diagonals. Be sure to create and name the appropriate geometric figures
pychu [463]

The attached figure reprsents a prove that a rectangle has congruent diagonals.

<u>Given:</u> rectangle ABCD

<u>Prove:</u> BD ≅ AC

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Consider the given function.
Neporo4naja [7]
The first interception for this function would be at (1,0) the next would be (4,0)
6 0
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