MATHEMATICS HIGH SCHOOL

What is the quotient of b^3+4b^2-3b+126/b+7A. b² + 11b + 80 R276
B. b² − 3b + 18 (Wrong)
C. b² − 11b + 38 R140
D. b² − 3b + 18 R252

Answers

Answer 1
Answer: The correct answer for the question that is being presented above is this one: "D. b² − 3b + 18 R252. The quotient of b^3+4b^2-3b+126/b+7. In order to get the answer, you have to start dividing b^3 by b. Then multiply the quotient to b + 7. Then after that, subtract. Do the same thing until you reached the end.

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Evaluate the following rational expression for x equals 7

Answers

it would be 7x hope this helps

Give answer as a mixed number 3/5 + 4/5 =

Answers

The answer as an improper fraction is 7/5.  The answer as a mixed number is 1 2/5.

A boat travels 39 miles in 4 hours and 20 minutes. What is the speed of the boat in miles per hour?

Answers

Answer:

9.01 miles in 1 hour

Step-by-step explanation:

to get the answer first u need to do is turn the 20 mins to hours

well we can also turn the hour to mins and then turn it into hours

260 mins= 4.33 hours (rounded)

then 39/4.33= x/1

divided the top and bottom by 4.33

9.01/4.33 (rounded)

An assembly line produces 20 items per hour. If the line runs 24 hours per day, 7 days week, how many items are made by this machine in one month? (Assume 30 days/month)3,360
13,440
14,400
100,800

Answers

20x24x30 = 14,400
14,400 items

The resale value of a textbook decreases by 25% with each previous owner. A new textbook is sold for $85. Which function represents the resale value of the textbook after x owners?

Answers

Since the value decreases by 25% each time, the next cost is the current cost times 0.75 (since new cost is 75% of current cost).
To find the value of the book after x times sold, you can use:
cost = 85(0.75)^x 
Just plug in the number of times it is resold to find the value.
A exponential function would represent it nicely f(x)=b*a^x
Reason being a decrease of %
a = 1+r
r = -25% = -0.25
And b being what the original cost of the book
f(x)=85*0.75^x
Where f(x) is the price after x amount of previous owners

a cash register contains p pennies. write an algebreic expression that represents the total amount of money (in dollars)

Answers

Answer:

The algebraic expression that represents the total amount of money (in dollars) in a cash register containing p pennies is:

Total amount = p/100 dollars

Note that to convert pennies to dollars, we divide the number of pennies by 100.

Step-by-step explanation:
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