A set of car tires cost $600 if there is a 15% off tire sale in an 8% sales tax is added what will the total cost be 

Answers

Answer 1
Answer:

Answer: $550.8

Step-by-step explanation:


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after a 30% reduction, you purchase a dictionary for $30.80 what was the dictionary price before the reduction

Answers

The dictionary price before the reduction is $44

How to determine the dictionary price before the reduction

From the question, we have the following parameters that can be used in our computation:

Reduction = 30%

Price after = $30.80

Using the above as a guide, we have the following:

Price after =  Price before * (1 - Reduction)

substitute the known values in the above equation, so, we have the following representation

Price before * (1 - 30%) = 30.80

Evaluate

Price before = 44

Hence, the dictionary price before the reduction is $44

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Answer:

Well the original price would be $44

Step-by-step explanation:

So make an equation

Lets make X stand for the price before the deduction

so x-x(0.3)=30.80

Subtracting the X by x(0.3) would tell us the price, the 0.3 stands for 30 percent and we know its 30 percent of X so we subtract that since 0.3x would give the change

Now just solve the equation

You’ll get 44.

What is the slope of the line that passes through 2,-1 and 2,-5

Answers

Answer:

Undefined.

Step-by-step explanation:

When using the formula y2-y1/x2-x1, the result comes out as -4/0. Any number over a 0 is undefined.

imagine, in a given community, 20% of people above 60 years old have heart disease. if we randomly choose 10 people above 60 years old, exactly how many of them will have heart disease?

Answers

Answer:

2

Step-by-step explanation:

cause 20 percent of 10 is 2 lol

In the past you paid $800 per month to rent your apartment. You now pay $900 per month for your rent. What is the percent increase in your rent?

Answers

y = 800 (1.125)^x

it would be 12.5%

if you graph that equation the intersection would be (1,900)

(i don't know if you learned this in Algebra 2. but this formula works though)

i hope i helped a bit

Answer:    12.5%

Step-by-step explanation:

What is the greatest common factor of 60x4y7, 45x5y5, and 75x3y?

Answers

factor and group common ones
60=2*2*3*5*x*x*x*x*y*y*y*y*y*y*y
45x^5^5=3*3*5*x*x*x*x*x*y*y*y*y*y
75x^3y=3*5*5*x*x*x*y

the commmon gropu to all is 3*5*x*x*x*y=15x^3y

You buy painting supplies for $12, and you charge $3 per person to paint faces. how many faces will you need to paint to earn $15 in profit?

Answers

Answer:

You need to paint 9 faces to earn $15 in profit.

Step-by-step explanation:

Given : You buy painting supplies for $12, and you charge $3 per person to paint faces.

To find : How many faces will you need to paint to earn $15 in profit?

Solution :

Let x represent the number of faces painted.

According to question,

3x - 12 = 15

Solving equation,

3x= 15+12

3x=27

x=(27)/(3)

x=9

Therefore, You need to paint 9 faces to earn $15 in profit.

Investment = $12

For $15 profit, I have to earn, 12+15 = $27

Charge for 1 person(for paint faces) = 3

multiply by 9,

9 persons= $27

So, 9 person is the answer.