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s344n2d4d5 [400]
3 years ago
6

What is y=8.5x contasnt of proportionality

Mathematics
1 answer:
Setler79 [48]3 years ago
5 0

The constant of proportionality represents the unit cost .You use the equation y = 8.5 x to calculate the total cost y in dollars for x in what ever you are buying
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The table below shows the price in dollars for the number of roses indicated is the price proportional to the number of roses ex
makvit [3.9K]

Answer:

Price of roses is proportional to the number of roses.

Step-by-step explanation:

Let the price of roses are proportional to the number of roses.

Equation representing this phenomenon will be,

P = k(R) ⇒ k = \frac{P}{R}

where 'P' = price of the roses

R = Number of roses

k = Proportionality constant

If we substitute the values of P and R and we get the same value of constant 'k', then the equation will be true.

For R = 3 and P = $9  

k = \frac{9}{3}

k = 3

For R = 6 and R = 18

k = \frac{18}{6}

k = 3

K is same in both the conditions, therefore, Price of roses are proportional to the number of roses.

6 0
3 years ago
Help me, please !!!!!!!!!
Flura [38]
They did make the same color
7 0
2 years ago
I need help asapppp!!!!!!!
monitta

Answer:=15x^2+250x

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Jasmine borrowed $15,000 for 8 years and she paid $6,600 in interest. What was the interest rate for Jasmine's loan?
weeeeeb [17]

Answer:

5.5%

Step-by-step explanation:

To find the interest rate, use the equation:  I = prt

I = Interest = $6,600

p = principal = $15,000

r = rate = unknown

t = time = 8 years


Now plug the numbers into the equation.

6,600 = 15,000 * r * 8

6,600 = 120,000 * r


Now isolate the variable by dividing both sides of the equation by 120,000.

0.055 = r


Now change the rate to a percent by moving the decimal point 2 digits to the right.

5.5% = r   OR   r = 5.5%

4 0
3 years ago
Plz help I will give brainliest!
elena55 [62]

Answer:

b, 1 5/8

Step-by-step explanation:

the area is 4 15/32 square meters, and you find the area by doing length x width. the length is provided, 2 3/4. so all you have to do is divide 4 15/32 by 2 3/4 and you get 1 5/8

6 0
3 years ago
Read 2 more answers
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