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2 years ago

9

What is the constant of proportionality?

2 answers:

iVinArrow [24]2 years ago

5 0

The constant of proportionality is the ratio between two directly proportional quantities.

Mars2501 [29]2 years ago

4 0

Answer:

The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate. The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.

Step-by-step explanation:

hope this helps if do mark brainllest pls

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The measure of angle θ is 3pi/2 . The measure of its reference angle is /, and tan θ is .

Sphinxa [80]

Answer:

Reference angle: $\frac{\pi}{2}$

$tan(\theta)=tan(\frac{3\pi}{2})$ is not defined.

Step-by-step explanation:

The angle $\theta$ goes from the positive x-axis to the negative y-axis.

Therefore the reference angle can be calculated as following:

$\frac{3\pi}{2}-\pi=\frac{\pi}{2}$

We know that $tan(\theta)$ is:

$tan(\theta)=\frac{sin(\theta)}{cos(\theta)}$

If $\theta=\frac{3\pi}{2}$ then $cos(\frac{3\pi}{2})=0$ , therefore $tan(\frac{3\pi}{2})$ is not defined, because the division by 0 is not defined.

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3 years ago

1- Tickets cost £18.50 to a music gig. The band sells 189 tickets and the

Elden [556K]

Answer:

The answer is £ 496

Profit ( P) = Selling price (S) - Cost price ( C)

From the above question

Cost price = £3000

To find the selling price multiply the price of one ticket by the number of tickets sold

That's

Selling price = £18.50 × 189 = £3496

So now

Profit = £3496 - £3000 = £ 496

Hope this helps you

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4 years ago

two long books containing a total of 2400 pages have a ratio of 3 pages to 5 pages. how may pages are in each book?

Olegator [25]

Answer:

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4 years ago

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Answer:

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3 years ago

MATH QUESTION PLEASE HELPPP ASAP, DUE IN AN HOUR

UkoKoshka [18]

Answer:

Perimeter = $(30-\frac{3}{2}x)$

Step-by-step explanation:

Width of the rectangle has been given as $(5-\frac{1}{4}x)$ .

Convert the statement into the algebraic expression,

"Length of the rectangle is twice the width"

Length = 2(Width)

= $2(5-\frac{1}{4}x)$

= $10-\frac{1}{2}x$

Since perimeter of a rectangle is given by the expression,

Perimeter = 2(Length + Width)

By substituting the values of length and width in the expression,

Perimeter = $2[(5-\frac{1}{4}x)+(10-\frac{1}{2}x)]$

= $2(15-\frac{3}{4}x)$

= $(30-\frac{3}{2}x)$

Therefore, expression representing perimeter is $(30-\frac{3}{2}x)$ .

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3 years ago