Freddy bought a pair of shoes for a sale price of $39.60. The sales-tax rate was 8%.A. What was the sales tax on the purchase
B. What was the total price including tax

Answers

Answer 1

Answer: percent means parts out of 100
8%=8/100=0.05

tax=8% of 39.60=0.08 times 39.60=3.168 rounded to $3.17
A. tax is $3.17
B.. total just add, 39.60+3.17=$42.77

A. $3.17
B. $42.77

Answer 2

Answer: the answer to part A is $3.17
the answer to part B is $42.77

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How to turn y-2x=7 into y=mx+b

Answers

Answer:

y = 2x + 7

Step-by-step explanation:

y -2x = 7

move 2x to other side by adding to both sides

y = 2x +7

Estimate the product of 68 and 42

Answers

We can round 68 to 70
And round 42 to 40

70 x 40 = 2800

68(42)= 2856
The number 68 is multiplied by 42 and is equal to 2856

a bag contains green Marbles and purple marbles if a marble is randomly selected from the bag the probability that it is green is 0.6 and the probability that it is purple is 0.4. Dylan draws a marble from the bag, notes its color, and returns it to the bag. He does this 50 times. How many times would you expect Dylan to draw a green marble?

Answers

Here, I have found the answer for you with an explanation:

Answer:

the answer is 180

Step-by-step explanation:

Which of the following is equivalent to 3/4a-6=1/4

Answers

$(3)/(4)x-6=(1)/(4)\ \ \ \ |\cdot4\n\n3x-24=1\ \ \ |+24\n\n3x=25\ \ \ \ |:3\n\nx=(25)/(3)\n\nx=8(1)/(3)$

the number of minutes spent studing are 60 70 45 60 80 35 45 find the measure of center that best represents the data justify your selection and then find the measure of center

Answers

The measure of center is mean. You would be finding the average number of minutes spent studying.
To find the mean of the data you would add all of the numbers up and divide by the total amount of numbers you added.
60+70+45+60+80+35+45
=395
395/7
=56.4285714286

There are three measures of center: mean, median, and mode.

The median would be the number in the middle when the numbers are ordered.
35 45 45 60 60 70 80

The mode would be the number that occurss most frequently.
Since 45 and 60 both appear twice, you take the mean of the two, which is 52.5

The mean would be the sum of all the numbers divided by the amount of numbers.
60+70+45+60+80+35+45 = 395/7 ≈ 56.43

You could really justify any of these, but typically you would use the mean in this case because there are no outliers.

If a spacecraft was parked on Venus and needed to make a flight to Jupiter, how far would it need to travel? (Assume both planets are aligned with the sun and are on the same side of the sun.) in scientific notation.