Olga buys tickets to a concert. She pays $27.75 for each ticket, plus handling fee of $5.50 for The order. The total cost is $144.25. Right and solve an equation to find out how many tickets,n,Olga bought

Answers

Answer 1

Answer:

Answer: the number of tickets that Olga bought is 5

Step-by-step explanation:

Let x represent the number of tickets that Olga bought.

Olga buys tickets to a concert. She pays $27.75 for each ticket, plus handling fee of $5.50 for The order. This means that the total amount that Olga paid for x tickets would be

27.75x + 5.5

If the total cost is $144.25, the equation representing the situation would be expressed as

27.75x + 5.5 = 144.25

27.75x = 144.25 - 5.5

27.75x = 138.75

x = 138.75/27.75

x = 5

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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
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What value do you get when you evaluate the composition "f of g of negative threef (x) -3x2-5 g (x) --4xf(g(-3))

Answers

f o g is how it's written with the -3 it means

f(g(-3))=what

so first -3 into g(x)
g(-3)=-4(-3)
g(-3)=12

sub for x in f(x)
f(12)=-3(12)^2-5
f(12)=-3(144)-5
f(12)=-432-5
f(12)=-437

Without using a calculator, determine the number of real zeros of the function f(x) = x3 + 4x2 + x − 6.

Answers

Answer:

ON PLATO in the empty box the type: 3

Step-by-step explanation:

(x-1) (x+3) (x+2) these are the factors which means there three of them :)

I am pretty sure x= -0.5

PLEASE HELP! I WILL MARK BRAINLIEST!!! What are the essential elements of an independent clause?

a subject and a complete thought
a subject, a verb, and a complete thought
a verb and a complete thought
a complete thought

Answers

Answer: A subject, a verb, and a complete thought.

Step-by-step explanation:

Independent clauses have three components:

They have a subject - they tell the reader what the sentence is about.

They have an action or predicate - they tell the reader what the subject is doing.

They express a complete thought - something happened or was said.

Step-by-step explanation:

A subject, a verb, and a complete thought

How many factor of 12?

Answers

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6 factors

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A model is made of a car. The car is 8 feet long and the model is 10 inches long. What is the ratio of the length of the car to the length of the model?

Answers

Like I said in one of your questions ratios are just fractions
8/10 is what you get, but you need to simplify it to get
4/5

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