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4 years ago

2 + 0.25x what is the answer to this question

Mathematics

1 answer:

zimovet [89]4 years ago

3 0

Answer:

the total late fee

Step-by-step explanation:

the x will stand for each day and 0.25 is the cost so you will multiply 0.25 by x to get the total overdue

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True or false? the dependent variable corresponds to the x-axis

vagabundo [1.1K]

Answer:

true

Step-by-step explanation:

im really not sure. it just sounds true

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4 years ago

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I need to know what x equals

taurus [48]

Answer:

x = 7

Step-by-step explanation:

4 + 5(x + 2) = 7x

4 + 5x + 10 = 7x

5x - 7x = - 4 - 10

- 2x = - 14

- x = - 14/2

- x = - 7

x = 7

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3 years ago

What is the rule in this sequence (0,21) (1,18) (2,15) (3,12) (4,9) (5,6) (6,3) (7,0) (8,-3) (9,-6) (10,-9)

anastassius [24]

Answer:

x + 1 & y - 3

Step-by-step explanation:

Because... the x-values are going up by 1 digit each and the y-values are going down by 3 digits each.

6 0

4 years ago

If x = 100, what is the value of x(x-4)?

iris [78.8K]

Answer:

9,600

Step-by-step explanation:

100-4 is 96

96 times 100 is 9600

7 0

3 years ago

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Which set of four test scores would have the biggest difference between the mean and the median? A. 32, 85, 89, 91, 92, 92 B. 72

postnew [5]

Answer:

A. 32, 85, 89, 91, 92, 92

Step-by-step explanation:

A. 32, 85, 89, 91, 92, 92

Mean

$\bar{x}=\dfrac{32+85+89+91+92+92}{6}\\\Rightarrow \bar{x}=80.167$

Since the number of scores is 6 which is an even number the median will be of the form $\dfrac{x_{n/2}+x_{(n/2)+1}}{2}$

Median

$\dfrac{89+91}{2}=90$

Difference of mean and median = $|80.167-90|=9.83$

B. 72, 78, 79, 80, 82, 82

Mean

$\bar{x}=\dfrac{72+78+79+80+82+82}{6}\\\Rightarrow \bar{x}=78.83$

Median

$\dfrac{79+80}{2}=79.5$

Difference of mean and median = $|78.83-79.5|=0.67$

C. 65, 70, 75, 80, 85, 90

Mean

$\bar{x}=\dfrac{65+70+75+80+85+90}{6}\\\Rightarrow \bar{x}=77.5$

Median

$\dfrac{75+80}{2}=77.5$

Difference of mean and median = $|77.5-77.5|=0$

D. 30, 34, 39, 41, 48, 50

$\bar{x}=\dfrac{30+34+39+41+48+50}{6}\\\Rightarrow \bar{x}=40.33$

Median

$\dfrac{39+41}{2}=40$

Difference of mean and median = $|40.33-40|=0.33$

So, A has the maximum difference of 9.83 between the mean and the median.

6 0

3 years ago