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Vanyuwa [196]
2 years ago
15

Which phrase describes an unknown or changeable quantity?

Mathematics
1 answer:
Artist 52 [7]2 years ago
7 0
B i think that because there’s no quantity
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Currently 1 United States dollar equals 19.25 Mexican pesos. If you exchanged 725 Mexican pesos for US dollars, what amount woul
Irina18 [472]

Answer:

The value of 725 Mexican pesos is equals to 37.66 US dollars

Step-by-step explanation:

Given as :

The value of 1 US dollar equals to 19.25   Mexican pesos

The total amount of Mexican pesos = 725

Now,

∵  19.25  Mexican pesos equals to 1 US dollars

∴    725  Mexican pesos equals to  \frac{725}{19.25} = 37.66 US dollars

Hence The value of 725 Mexican pesos is equals to 37.66 US dollars Answer

5 0
3 years ago
What is constant of Proportionality in the equation y = 2.5x ?
Tpy6a [65]

Answer:

<em>2.5</em>

Step-by-step explanation:

A direct variation equation has the form y = kx, where k is the constant of proportionality.

In this case, the constant of proportionality is 2.5.

4 0
2 years ago
The perimeter of a rectangle is 22 inches. Find the dimensions if its length is 3 inches greater than its width.
MaRussiya [10]

Answer:

Length: 7

Width: 4

Step-by-step explanation:

We can create a system of equations for this problem, where w is the width and l is the length.

The perimeter of a rectangle is twice its length added to twice its width.

2l+2w=22

The length is 3 more than the width:

l = w+3

We can now substitute in w+3 as l in the equation 2l+2w=22.

2(w+3) + 2w = 22

Distribute the first terms:

2w+6+2w=22

Combine like terms:

4w+6=22

Subtract 6 from both sides:

4w=16

Divide both sides by 4:

w = 4

Now we know that w = 4. We can now substitute this inside an equation to find l.

l = w+3\\\\l = 4+3\\\\l=7

Hope this helped!

7 0
3 years ago
If the area of a circle is 50.25 meters what is the radius
NARA [144]

Answer:

≈3.99938

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A drawer contains 6 red socks, 5 white socks and 9 blue socks. Without looking, you draw out a sock
umka2103 [35]

Answer:

2/20

Step-by-step explanation:

because 9+5+6=20 and if you draw 2 red socks then that would be yur numerator

3 0
2 years ago
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