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Sav [38]
3 years ago
13

The ounces of yellow paint, y, needed to mix with x ounces of blue paint to make a certain shade of green paint can be represent

ed by the equation y = 1.5x. What is the constant of proportionality of the equation?
Mathematics
1 answer:
alexira [117]3 years ago
6 0

Answer:

The constant of proportionality of the equation is 1.5.

Step-by-step explanation:

Equation of proportional measures:

Suppose that y and x are proportional measures. This situation can be equatialized is:

y = ax

In which a is the constant of proportionality.

y = 1.5x. What is the constant of proportionality of the equation?

a = 1.5, so the constant of proportionality of the equation is 1.5.

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The top of a rectangular table has an area of 100 square feet and width of 5 feet. What is the length in feet of the surface
pochemuha
The answer to this is 20. You can find the length by using the formula l=a/w
4 0
3 years ago
If there were 49 cars in a line that stretched 528 feet, what is the average car length? assume that the cars are lined up bumpe
lakkis [162]

If there were 49 cars in a line that stretched 528 feet, what is the average car length? assume that the cars are lined up bumper-to-bumper

Answer: We are given there are 49 cars

Also these 49 cars are in a line stretched 528 feet.

Now the average length of the car is:

Average length = \frac{(length-covered-by-49-cars)}{Number-of-cars}

                          =\frac{528}{49}=10.78

Therefore, the average length of car is 10.78 feet

                 

6 0
3 years ago
Ravi will take the 6:37 PM train to San Diego. The train is estimated to arrive in San Diego in 3 hours 45 minutes. What is the
Ahat [919]
So 6+3 is 9 right? So let's just say it's 9:37 with a 45 min ride. 60 minutes are in a hour. 60 - 37 = 23. We have 23 minutes left until 10:00. 45- 23 = 22. Therefore it'd be 10:22 p.m.
7 0
3 years ago
Subtract: (4n + 7) - (7n - 8)
Furkat [3]
4n+7−(7n−8)

=4n+7+−1(7n−8)

=4n+7+−1(7n)+(−1)(−8)

=4n+7+−7n+8

Combine Like Terms

=4n+7+−7n+8

=(4n+−7n)+(7+8)

=−3n+15

4 0
3 years ago
For every 1 litre of water used 150ml of sucrose and 600ml of saline solution is used
lisabon 2012 [21]

Question:

For every 1 litre of water used to make a medicine, 600 ml of sucrose and 150ml of saline solution are used.

Express the amount of water, sucrose and saline solution needed as a ratio in its simplest form.

Answer:

Water : Sucrose : Saline = 20 : 3 : 12

Step-by-step explanation:

Given

Water = 1L

Sucrose = 150mL

Saline= 600mL

Required

Express as a ratio to the simplest form

First convert the volume of water to mL

Water = 1L

Water = 1 * 1000mL

Water = 1000mL

Express as ratio:

Water : Sucrose : Saline = 1000mL : 150mL : 600mL

Water : Sucrose : Saline = 1000 : 150 : 600

Divide through by 10

Water : Sucrose : Saline = 100 : 15 : 60

Divide through by 5

Water : Sucrose : Saline = 20 : 3 : 12

<em>The ratio can not be further simplified</em>

6 0
3 years ago
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