MATHEMATICS HIGH SCHOOL

The price of oranges went from $.90 per lb to $1.20 per lb in five years. Find the rate of change of the price of oranges.A) $0.30 per pound per year
B) $0.06 per pound per year
C) $0.24 per pound per year
D) $0.18 per pound per year

Answers

Answer 1
Answer: Rate is an expression for a change of some unit per unit of time. For this problem, we find the rate of change of the price by a simple equation which is expressed as: 

Rate = change in price / change in time
Rate = ($1.20/lb - $0.90/lb) / 5 yrs - 0
Rate = $0.06 per lb per year

Thus, the answer is B.

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After lunch, you need to buy new shoes. You bought a pair last year and they cost $79.00. Now, the same shoes cost $86.00. By what percent has the price increased? Write your answer to 2 decimal places. *

Answers

Answer:

The main answer: $4.84

Step-by-step explanation:

County A: Multiply the price by the sales tax to find out how much money the sales tax will add. Remember to convert percent to decimal!

$75 * 0.0725 = $5.4375

Add the original price and the sales tax.

$75 + $5.4375 = $80.4375

County B: Multiply the price by the sales tax to find out how much money the sales tax will add. Remember to convert percent to decimal!

$70 * 0.08 = $5.6

Add the original price and the sales tax.

$70 + $5.6 = $75.6

Then take the difference.

80.4375 – 75.6 = 4.8375

Round to the nearest hundredth: $4.84

James weight increased in 41 to 45 kilograms. what is the percentage increase?

Answers

The method of solving any question where you have to find the percentage increase is  to
First find the difference by subtracting the increase from the original which in this case is  45-41= 4
Then divide the difference by the original weight
4/41= 0.097
Lastly, multiply the answer to that by 100 to get your answer which is
0.097x 100 =9.7 %

so the answer is that the increase in weight is 9.7% 
9.7% would be the answer

Line m passes through the points (3, 7) and (6, 12) while line n passes through the points (-5, 1) and (-2, 6).Which statement accurately describes the relationship between the two lines?

A. Lines m and n have the same slope so they are parallel.
B. Lines m and n have the same slope so they are perpendicular.
C. Lines m and n have opposite reciprocal slopes so they are perpendicular.
D. Lines m and n have opposite reciprocal slopes so they are parallel.

Answers

HENCE STATEMENT A IS CORRECT.

WHAT IS RELATIONSHIP ?

Finding if and statement given match to asked or not.

How to solve?

A. Lines m and n have the same slope so they are parallel.- true

B. Lines m and n have the same slope so they are perpendicular.- false

C. Lines m and n have opposite reciprocal slopes so they are perpendicular.- false

D. Lines m and n have opposite reciprocal slopes so they are parallel.- false

Learn more about numbers brainly.com/question/25734188

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Answer:

A. Lines m and n have the same slope so they are parallel.

Step-by-step explanation:

Walmart is selling 3 lemons for $1.20.how many does 25 lemons cost

Answers

Answer:

10USD

Step-by-step explanation:

For each lemon: 1.20/3=0.4

for 25: 0.4*25=10USD

Which of the Hollowing is an irrational number? 8.5 3.14 0.3578 0.33333333​

Answers