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const2013 [10]
3 years ago
6

What is the answer to 3x - 17 = 7x - 9

Mathematics
1 answer:
Gnoma [55]3 years ago
8 0
Take the numbers to one side

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Please help I am on a timer!!!!❤️❤️❤️❤️
scoray [572]

Answer:

5

Step-by-step explanation:

There are 9 friends with 4 or 5 pets so, you subtract 9-4 because there are 4 friends with 2 or 3 = 5 because the question is asking how many more.

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3 years ago
Write an expression for the amount of change you will get when you pay for a purchase p with a 20 dollar bill. Make a table to f
Mashutka [201]

change,c = 20 - p

so in Excel for example

put 20 in column a

put 11.59, 17.50 etc in column b

in column c put the equation '=20 - b1'

3 0
3 years ago
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In a for loop, is it possible to use indexing?
kenny6666 [7]

Answer:

Yes

Step-by-step explanation:

A for loop basically relies on repeating the same code for a pre-set number of times. During which you can make any code repeat inside of it, including indexing through a type of list. Many times a for-loop will use the indexes in a list to calculate the number of times that the loop has to repeat. This is usually done in order to search or apply changes in an array of other types of data structures that have countless values stored in it.

4 0
3 years ago
The daily cost of producing x high performance wheels for racing is given by the following​ function, where no more than 100 whe
algol [13]

Answer:

The production would be 25 wheels,

Lowest average cost is $ 123.75

Step-by-step explanation:

Given cost function,

C(x) = 0.09x^3 - 4.5x^2 + 180x

Where,

x = number of wheel,

So, the average cost per wheel,

A(x) = \frac{C(x)}{x}=\frac{0.09x^3-4.5x^2 + 180x}{x}=0.09x^2 - 4.5x + 180

Differentiating with respect to x,

A'(x) = 0.18x - 4.5

Again differentiating with respect to x,

A''(x) = 0.18

For maxima or minima,

A'(x) = 0

0.18x - 4.5 = 0

0.18x = 4.5

\implies x = \frac{4.5}{0.18}=25

For x = 25, A''(x) = positive,

i.e. A(x) is maximum at x = 25.

Hence, the production would be 25 wheels for the lowest average cost per​ wheel.

And, lowest average cost,

A(x) = 0.09(25)² - 4.5(25) + 180 = $ 123.75

5 0
4 years ago
PLEASE HELP ME!!! ON THE FIRST QUESTION!
MrMuchimi

Answer:

9ber

Step-by-step explanation:

Aight will do

5 0
3 years ago
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