The original price of a computer is $599.99. Suzie has a 15%-off coupon for the computer. A sales tax of 7% will be added to the sale price of the computer. Which expression would calculate how much Suzie will pay for the computer?

Answers

Answer 1

Answer:

The required cost of a computer Suzie will pay is $545.69.

What is the percentage?

The percentage is the ratio of the composition of matter to the overall composition of matter multiplied by 100.

Here,
The original price of a computer is $599.99.
Suzie has a 15%-off coupon for the computer.
Discounted price = (1 - 0.15)×599.99

Discounted price = 0.85×599.99

A sales tax of 7% will be added to the sale price of the computer.
Price of the computer after taxes = (1 + 0.07)0.85×599.99
= $545.69

Thus, the required cost of a computer Suzie will pay is $545.69.

Learn more about percentages here:

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Answer 2

Answer:

Answer:$731.99

Step-by-step explanation:

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If f(1)=3 and f(n)=-2f(n-1)+ 1, then f(5)=

Answers

Our function is $f(n)=-2f(n-1)+1$ .
We want to find f(5).
Let's substitute 5 for n.
f(5) = -2f(5-1) + 1
f(5) = -2f(4) + 1
We need to know f(4).
f(4) = -2f(4-1) + 1
f(4) = -2f(3) + 1
We need to know f(3).
f(3) = -2f(3-1) + 1
f(3) = -2f(2) + 1
We need to know f(2).
f(2) = -2f(2-1) + 1
f(2) = -2f(1) + 1
We know that f(1) = 3
f(2) = -2(3) + 1
f(2) = -6 + 1
f(2) = -5
Now we can use f(2) = -5 to find f(3)...
f(3) = -2(-5) + 1
f(3) = 10 + 1
f(3) = 11
Now we can use f(3) = 11 to find f(4)...
f(4) = -2(11) + 1
f(4) = -22 + 1
f(4) = -21
Now we can use f(4) = -21 t find f(5)!
f(5) = -2(-21) + 1
f(5) = 42 + 1
f(5) = 43

$f(1)=3\ and\ f(n)=-2f(n-1)+1\nf(2)=-2f(2-1)+1=-2f(1)+1=-2(3)+1=-6+1=\boxed{-5}\nf(3)=-2f(3-1)+1=-2f(2)+1=-2\boxed{(-5)}+1=10+1=\boxed{11}\nf(4)=-2f(4-1)+1=-2f(3)+1=-2\fbox{11}+1=-22+1=\fbox{-21}\nf(5)=-2f(5-1)+1=-2f(4)+1=-2\fbox{(-21)}+1=42+1=\boxed{\boxed{43}}$

Which of the following can be represented by the inequality below? 69h + 126 > 540 A. Yvonne is driving more than 540 miles on a trip. She has already driven 126 miles and drives 69 miles each hour. B. Yvonne is driving less than 540 miles on a trip. She has already driven 126 miles and drives 69 miles each hour. C. Yvonne is driving less than 126 miles on a trip. She has already driven 69 miles and drives 540 miles each hour. D. Yvonne is driving more than 540 miles on a trip. She has already driven 69 miles and drives 126 miles each hour.

Answers

Answer:

The answer is A.

Step-by-step explanation:

The inequality states that the amount that Yvonne drives is more than 540 miles. Since h represents the number of hours, we know that 69 probably means the number of miles Yvonne can drive per hour. Finally, 126 shows the amount of miles that Yvonne has already driven.

What fraction is the same as seven tenths

Answers

Any fraction of the form 7n/10n where n∈Z.

E.g.14/20, 49/70, 700/1000 etc.

$7/10=14/20=21/20\ and\ many\ more.$

A line has a rise of 6 and a slope of 1/20. What is the run?

Answers

The slope of a line is a number that represents thedirection and the steepness of the line. Or it is commonly defined as the riseover the run. It is denoted by the letter m. Let’s say that y is the rise and xis the run. A line may be increasing or decreasing just by knowing the slope. Ifthe slope is a negative number, the line is decreasing, and if it is a positivenumber, the line is increasing. Here you have a slope of 1/20 and a rise of 6. Them is equal to 1/20 and y equals 6. So

m = y/x
1/20 = 6 /x
x = 6/(1/20)
x = 120

Max worked 6.23 hours on Monday, 7.45 hours on Tuesday, 8.3 hours on Wednesday, 8 hours on Thursday, and 5.21 hours on Friday. What is the total number of hours that Max worked?

Answers

this is just simple addition

total = 6.23+7.45+8.3+8+5.21 = 35.19 hours

This problem is only asking for the total number of hours he worked. So to begin, as this is an addition problem, you would take the numbers and put them in a sequence like the one below:

6.23 + 7.45 + 8.3 + 8 + 5.21

Then you would add the numbers together, remembering the decimals out of 100, and the total sum would be your answer. Answer: 35.19 hours in total. Hope this helped you :)!

An angle measures 142° less than the measure of its supplementary angle. What is the measure of each angle?