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kupik [55]
3 years ago
10

1

Mathematics
1 answer:
patriot [66]3 years ago
5 0
I would say probably A
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A taxi charges an airport pickup fee of $3 plus $1.50 for each mile traveled. If a taxi ride cost John $36, how many miles did J
Delicious77 [7]

Answer:

Step-by-step explanation:

36-3=33

33 divided by 1.5 equals 22

answer is 22 miles

6 0
2 years ago
Read 2 more answers
I need help with a calculus 2 exercise, with a good explanation to what I'm trying to figure out.
Karolina [17]
<h3>Explanation:</h3>

When writing rational expressions, you need to be aware that ...

  1/4x = (1/4)x ≠ 1/(4x)

Parentheses around the denominator are required, unless you're typesetting the expression and can use a fraction bar for grouping.

The derivative of the curve expression is ...

  y' = x - 1/(4x) . . . . . parentheses added to what you wrote

and the expression (1 -(y')^2) can be written ...

  1 -(y')^2 = x^2 +1/2 +1/(16x^2) . . . . . parentheses added to what you wrote

The first and last terms of this trinomial are both perfect squares, so you might suspect the whole trinomial is a perfect square. You recall that ...

  (a +b)^2 = a^2 + 2ab + b^2

This is a good "pattern" to remember. Using it is a matter of <em>pattern recognition</em>, as is the case with a lot of math.

Here, you have ...

  a = x

  b = 1/(4x)

In order for your trinomial to be a perfect square, the product 2ab must equal the middle term of your trinomial. (Spoiler: it does.)

  2ab = 2(x)(1/(4x)) = (2x)/(4x) = 1/2 . . . . . matches the middle term of 1 -(y')^2

Hence your trinomial can be written as the square ...

  1 -(y')^2 = (x +1/(4x))^2

_____

This is convenient because you want to integrate the square root of this. Your integral then becomes ...

\displaystyle\int\limits_{2}^{4}{\left(x+\frac{1}{4x}\right)\,dx

3 0
3 years ago
Help please!! Don't understand can someone explain?
Leya [2.2K]
You might want to send the link/attachment again. It says 404 not found.
8 0
3 years ago
How to solve this |9x-12|&lt;-4
Neporo4naja [7]
<span> |9x-12|  <  -4

There is no solution for this inequality...

Because an absolute value is NEVER less than an a negative number </span>
5 0
3 years ago
If 2x = 3y + 11 and 2 to the power of x = 2 to the power of 4(y+1), determine the value of x + y
evablogger [386]

Z = -2

Y = 5

is your answer

7 0
2 years ago
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