All categories

3 years ago

What is the constant of preportionallity in the equation y= 2.5x?

Mathematics

1 answer:

e-lub [12.9K]3 years ago

7 0

Answer:

2.5

Step-by-step explanation:

$y = 2.5x \\equating \: it \: with \: y \: = kx \: where \: k \: is \: any \: \\ constant. \\ k = 2.5 \\$

Thus, constant of proportionality = 2.5

You might be interested in

Please help me solve for W

mariarad [96]

W+1/9 = 5
W = 5-1/9
= [(5*9)-1]/9
= [45-1]/9
= 44/9

8 0

3 years ago

Read 2 more answers

The Greek letter iota, i, represents the square root of -1 (). We call i an imaginary unit. Any number that is a product of a re

Nadusha1986 [10]

Happy New Year from MrBillDoesMath!

Answer:

i ^ (2n) = (i^2)^n = (-1)^n = -1 if n is odd and = 1 if n is even

i ^ (2n+1) = i^(2n)* i = -1 * i = -i if n is odd and = 1*i = i if n is even

Not sure if this answers your question but hopefully pushes you n the right direction.

Thank you,

MrB

4 0

3 years ago

Read 2 more answers

How quickly do synthetic fabrics such as polyester decay in landfills? A researcher buried polyester strips in thes oil for diff

ad-work [718]

Answer:

no enough evidence to draw up a conclusion

Step-by-step explanation:

Data:

let: $\mu _{1}$ = decay after 2 weeks

$\mu _{2}$ = decay after 16 weeks

Making the hypotheses:

Null hypothesis; $H_{o} = \mu _{1} - \mu _{2} = 0$

the deviation = 0.05

the standard difference = 4

Conditions:

The normal distribution curve can be plotted on a graph and the plot shows that the distribution is a skewed distribution.

Then,

$t = \frac{(123.8-16.4)-0}{\sqrt{\frac{4.6^{2} }{5}+\frac{16.09^{2} }{5} } } \\ = 0.989$

Therefore, it can be concluded that 0.1983 > 0.05. This presents our failure to reject the null hypothesis.

Thus, there is not enough evidence to conclude that polyester decays more in less than 2 weeks.

5 0

3 years ago

6 out of the 60 employees at the sports shop are part-time employees. What percentage of the employees at the sports shop work p

Serhud [2]

Percentage of part time employees = (part-time employees/total employees) * 100 = (6/60) * 100 = 1/10 * 100 = 10%

6 0

3 years ago

In a class of 20 students ,40% are boys.25% of theboys and 50% of the girls were glasses.how many students were glassses. show w

Mice21 [21]

40% of 20 is 8 Boys
60% of 20 is 12 Girls
50% of the Girls is 6
25% of the Boys is 2
6 + 2 = 8 Students wore glasses

Hope this helps!

4 0

4 years ago