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Eddi Din [679]
3 years ago
5

Find the constant of proportionality k. Then write an equation for therelationship between xandy(Example 2)2. X8 16y 10 2030 40E

SSENTIAL QUESTION CHECK-IN4. How can you represent a proportional relationship using an equation?20 nit 92432

Mathematics
1 answer:
klio [65]3 years ago
8 0
2) y= x times 5
The constant proportion is k=5

3) y=x times 4
The constant proportion is k=4

4)If total cost t is proportional to the number n of items purchased at a constant price p, the relationship between the total cost and the number of items can be expressed as t = pn.
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A distrubutor shipped 3/4 of a cheese order that was to be distributed equally between 3 pizza restaurants. What fractional part
romanna [79]
Let's say there are 12 boxes of cheese in the original order. Draw a table with 4 rows and 3 columns. Shade exactly 3 of the rows (the entire row). So you should shade in 9 boxes total with 3 left unshaded.

Those 9 shaded boxes are then distributed equally among the 3 restaurants. So each restaurant gets 9/3 = 3 boxes

Comparing those 3 boxes to the original 12 forms the fraction: 3/12 = 1/4

So each restaurant gets 1/4 of the original order

Answer: 1/4

Note: another way to do this is to multiply 1/3 by 3/4 to get 1/4
5 0
3 years ago
A pair of shoes costs $52.99 and the state sales tax is 8%. Use the formula C = p + rp to find the total cost of the shoes, wher
Readme [11.4K]

The pair of shoes costs $52.99, so p = 52.99.

The state sales tax is 8%, which can be changed to decimal form by dividing by 100: 8/100 = 0.08. So r = 0.08.

Now you can plug both of these values into the formula to find the total cost of the shoes (c):

 

c = p + r*p

c = 52.99 + (0.08)*(52.99)

c = 52.99 + 4.2392

c = 57.2292

So the total cost of the shoes is $57.23

5 0
3 years ago
PLZ HLP! You ask 125 randomly chosen students to name their favorite food. There are 1500 students in the school. Predict the nu
arsen [322]

Answer:

696

Step-by-step explanation:

58/125 = 46.4%

0.464 x 1500 = 696 people

6 0
3 years ago
What is the slope of your line perpendicular to y=5x-12
krok68 [10]

The slope of your line is the x-coefficient: 5.

The slope of a perpendicular line is the negative reciprocal of that: -1/5.

4 0
3 years ago
Read 2 more answers
Hi I need help plzzzzzzz
Semmy [17]
1.) X=2, 2/2=1, Y=1
2.) X=6, 6/2=3, Y=3
3.) X=10, 10/2=5, Y=5
I hope this helps! :)
3 0
3 years ago
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