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tensa zangetsu [6.8K]
4 years ago
4

Use the information in the table to find the constant of proportionality and write the equation. The constant of proportionality

is________. The equation that represents this proportional relationship is _________. ALSO PLEASE BE FRIENDS WITH ME ON BRAINLY
HAS TO BE RIGHT

Mathematics
2 answers:
lbvjy [14]4 years ago
7 0

Answer:

The constant of proportionality is 2.5. The equation that represents this proportional relationship is y=2.5x.

Step-by-step explanation:

to find the constant of proportionality -> for every time x goes up, what does y go up by? when x goes up by 2, y goes up by 5. difference of y/difference of x = 5/2 =2.5.

to find the equation -> y=?x. plug in the constant of proportionality in the question mark. so, y=2.5x.

Butoxors [25]4 years ago
6 0

Answer:

<h2><u /></h2>

Step-by-step explanation:

2.5 and y=2.5x

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3 0
3 years ago
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if a rectangle has a greater perimeter than another rectangle, does it also have a greater area? Explain.
Lemur [1.5K]
No.

The maximum possible area given a constant amount of material for a quadrilateral will always be a square.

For example if the material for the perimeter is 64 we can form a rectangle that is 22 by 10 which will have an area of 220 u^2.

However a square using the same amount of material will have sides of 64/4=16 and an area of 16^2=250 u^2

So in general the area is maximize the closer the sides are to being equal and minimized as the difference between the sides becomes greater.  In the case of comparing the material, perimeter, of a rectangle to a square for the same amount of material the square will use less material than the rectangle.

A square can have a smaller perimeter and a greater area that a rectangle.

In the example above the rectangle had a perimeter of 64 u and an area of 220 u^2.  If we made a square with just 60 u, it would have an area of 225 u^2.
4 0
3 years ago
Leticia charges $8 per hour to babysit. She babysat Friday night for 4 hours,
JulsSmile [24]

For this case we have that the variable "x" represents the number of hours that Leticia uses to take care of children on Saturday.

IF on Friday I use 4 hours ($ 8 each) and on Saturday "x" hours ($ 8 each) obtaining a profit of $ 72, we have the following equation:

8 (4 + x) = 72

We apply distributive property:

32 + 8x = 72\\8x = 72-32\\8x = 40\\x = \frac {40} {8}\\x = 5

So, on Saturday she spent 5 hours.

Answer:

8 (4 + x) = 72\\x = 5

6 0
3 years ago
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Mauricio uses 2/5 cup of sugar to make one batch of chocolate chip cookies and 1/8 cup of sugar to make one batch of sugar cooki
Mazyrski [523]

Answer:

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4 0
3 years ago
A person walking covers 5.20 m in 10.4s. How fast is the person moving?
nikitadnepr [17]

Answer:

They are moving 2 m/s

Step-by-step explanation:

the answer is in the format m/s or meters per second. so in this case, just divide the seconds by the meters

3 0
3 years ago
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