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Nana76 [90]
3 years ago
6

George is reading a book. At the end of 3 hours he has read 90 pages, and at the end of 5

Mathematics
1 answer:
jeka943 years ago
5 0

Answer:

74 pages/hour

Step-by-step explanation:

The average rate of change is the difference in the numbers of pages  divided by the difference in the numbers of hours.

At the end of 3 hours, 90 pages were read.

At he end of 5 hours, 238 pages were read.

Difference in hours: 5 hours - 3 hours = 2 hours.

Difference in pages: 238 pages - 90 pages = 148 pages

The average rate of change is the difference in pages divided by the difference in hours.

average rate of change = (148 pages)/(2 hours) = 74 pages/hour

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You travel 50 miles in 4 hours. What is your average speed of
Kisachek [45]

Answer:

12.5 mph

Step-by-step explanation:

50 miles / 4 hours=

25 miles / 2 hours=

12.5 mph

7 0
2 years ago
While looking at some reports, a store manager notes that televisions that retail for $475 and up costing customers $513 once th
Mekhanik [1.2K]

The sales tax percentage of the store manager report is 7.41%

<h3>How to solve for the sales tax percentage</h3>

Customers are subject to a charge known as sales tax when they buy goods and services.

It is a pass-through tax, which means you must collect it from clients and send the money to your state or local government. the seller do not contribute sales tax.

The sales tax is first calculated by

= price after tax - price before tax

= 513 - 475

= 38

sales tax percentage is calculated using the formula

= (Tax amount / Price before tax) × 100%

= (38 / 513) * 100

= 7.4074

= 7.41%

Learn more about sales tax at:

brainly.com/question/20220356

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3 0
1 year ago
What is 23% of 200? Please help
Effectus [21]

Answer:

46

Step-by-step explanation: .23 (200) = 46

6 0
3 years ago
Read 2 more answers
Twenty-seven is smaller than five times a number increased by seven
mixas84 [53]

Answer:

27(less than symbol) 5x+7

Step-by-step explanation:

5 times a number is 5x


increase means add

4 0
3 years ago
Find the distance between the following coordinates: I(-a,b), J(a,b)
olchik [2.2K]

Answer:

2a

Step-by-step explanation:

using distance formula:

√(x₂-x₁)² + (y₂-y₁)²

putting values,

√{a-(a)}² + {b-b}² = √ {a+a}² + 0²

= √(2a)² = √4a² = 2a

Hope this helps:)

8 0
3 years ago
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