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3 years ago

How do you get an out put from (x-7)/3

Mathematics

1 answer:

denis-greek [22]3 years ago

3 0

Answer:

Substitute a value you want for x, for example:

if x = 1 then:

(1-7)/3 = -6/3 = -2

So,-2 would be the output for the imput x = 1

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A trader buys 200 oranges for 60 kobo and sells them at 8 for 12 kobo.what is his gain

svetoff [14.1K]

Answer:

he gained 188 kobo for selling 200 oranges or 192 if the trader selled the oranges for 8 kobo

Step-by-step explanation:

6 0

3 years ago

Brian rented a truck for one day. there was a base fee of $18.99 , and there was an additional charge of 75 cents for each mile

Taya2010 [7]

He drove 122 miles
hope this helps :)

4 0

3 years ago

Using the following set of data, calculate the lower quartile, the upper quartile, and the interquartile range.20, 22, 25, 28, 2

madreJ [45]

Answer:

The lower quartile is 23.5

The upper quartile is 32.5

The interquartile range is 9

Step-by-step explanation:

The given data set is 20, 22, 25, 28, 29, 30, 32, 33, 34.

The data set is already sorted in ascending order.

The middle number of this data set is called the median.

Therefore the median is 29.

The median divides the data set into two halves.

The lower half is

20, 22, 25, 28

The median of the lower half is the lower quartile.

$Q_1 = \frac{22 + 25}{2} = \frac{47}{2} = 23.5$

The upper half is 30, 32, 33, 34

The median of the upper half is the upper quartile.

$Q_3= \frac{33 + 32}{2} = 32.5$

The interquartile range is given by

$IQR=Q_3-Q_1 \\ IQR=32.5 - 23.5 = 9$

7 0

4 years ago

Lindy works at a pizza restaurant and gets a 10% employee discount. She knows that if she orders d drinks and a medium pizza wit

timofeeve [1]

Answer:

$17.28.

Step-by-step explanation:

In the expression, d represents the number of drinks she orders and t represents the number of toppings.

In this case, she orders 4 drinks and 3 toppings, so d = 4 and t = 3.

0.90(2.25d + 1.40t + 6)

= 0.9(2.25 * 4 + 1.4 * 3 + 6)

= 0.9(9 + 4.2 + 6)

= 0.9 * 19.2

= 17.28

So, the total cost for Lindy and her friends will be $17.28.

Hope this helps!

8 0

4 years ago

A principal of $1900 was invested at 3.75% interest, compounded annually. Let be the number of years since the start of the inve

Anna11 [10]

Answer:

$y(t) = \$1900*1.0375^t$

Step-by-step explanation:

If y is the future value of the $1900 investment, in dollars, after t years at a rate of 3.75% per year, compounded annually. The exponential function that describes the relationship between the variables y and t is:

$y(t) = \$1900*(1.0375)^t$

This relationship means that for every year t, the amount y will increase by a factor of 1.0375.

8 0

3 years ago