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kozerog [31]
3 years ago
12

ralph opened up a checking account with $100. on monday he withdrew $45 to purchase a pair of jeans. on wednesday he deposited a

$25 check he recieved for his birthday. on friday he used his debit card to buy a $98 football ticket. write expression to describe total change of ralphs checking balance..then determine the integer that represents the final balance.
Mathematics
1 answer:
Vitek1552 [10]3 years ago
3 0

100-45+25-98=$-18 in his bank account

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Differentiation is concerned with things like speeds and accelerations, slopes and curves ect. These are Rates of Change, they are things that are defined locally. The Fundamental Theorem of Calculus is that Integration and Differentiation are the inverse of each other.

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2 years ago
A taxi driver charges a flat rate of $3.50 plus an additional $1.65 per mile. If Mohammad wants to spend, at most, $60, how far
Elena-2011 [213]

Answer:

11.6 should be your answer!

Step-by-step explanation:

Im so sorry if its wrong!

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Answer:

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Step-by-step explanation:

6 0
2 years ago
Without using a calculator, determine the number of real zeros of the function
kumpel [21]

The number of real zeros of the function f(x) = x3 + 4x2 + x − 6 is 3

<h3>How to determine the number of real zeros?</h3>

The equation of the function is given as:

f(x) = x^3 + 4x^2 + x - 6

Expand the function

f(x) = x^3 + 5x^2 - x^2 + 6x - 5x - 6

Reorder the terms

f(x) = x^3 + 5x^2 + 6x - x^2 - 5x - 6

Factor the expression

f(x) = x(x^2 + 5x + 6) -1(x^2 + 5x + 6)

Factor out x -1

f(x) = (x^2 + 5x + 6)(x -1)

Expand

f(x) = (x^2 + 3x + 2x + 6)(x -1)

Factorize

f(x) = [x(x + 3) + 2(x + 3)](x - 1)

Factor out x + 2

f(x) = (x + 3)(x + 2)(x- 1)

The function has been completely factored and it has 3 linear factors

Hence, the number of real zeros of the function f(x) = x3 + 4x2 + x − 6 is 3

Read more about functions at:

brainly.com/question/7784687

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2 years ago
Can someone help me? I’ll reward points + brainalist
salantis [7]

Answer:

C

Step-by-step explanation:

radius squared * pi = 63.585

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