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azamat
3 years ago
15

Does anyone know if each square weighs 5 pounds. what is the weight of a single triangle?

Mathematics
1 answer:
steposvetlana [31]3 years ago
4 0
3 pounds bc there is 5 triangles for 15 pounds of squares
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Help pls ASAP <br><br><br> Thanks
dezoksy [38]

Answer:

y = 3

y = 5

(last answer choice)

Step-by-step explanation:

A system of equation is given in "x" and "y".

For it to have a solution, there should be a value for x and a value for "y".

There needs to be 2 values, one for x and another for y.

It doesn't matter if the values of x and y are same, but there needs to be one value of x and one value of y (if linear equations).

First one has a value of x = 5 and y = 3, so there are 2 values, one for x and another for y, distinct values. So it's okay.

The second one has 2 values for x and y, respectively. THey are same, doesn't matter. So, this one is okay as well.

The last one has NO VALUE for x and has 2 values for y. So, this one doesn't have a proper solution.

So, the last one of the choices shown has NO SOLUTION.

8 0
3 years ago
the second of three numbers is 1 less than the first. The third number is 5 less than twice the second. If the number exceeds th
dalvyx [7]
60-sixty is the answer
7 0
3 years ago
The formula K = C + 273 shows how to estimate the temperature K measured in degrees Kelvin (°K) when you know the temperature C
Sergio [31]

Answer:

22 C

Step-by-step explanation:

7 0
3 years ago
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I need help answering the question in the picture provided
adoni [48]

answer:

(a).

Equation of circle is <u>x²</u><u> </u><u>+</u><u> </u><u>y²</u><u> </u><u>-</u><u> </u><u>2</u><u>5</u><u> </u><u>=</u><u> </u><u>0</u>

(b).

(-5, 0) » yes

(√7, 1) » no

(-3, √21) » no

(0, 7) » no

Step-by-step explanation:

(a).

If centred at origin, centre is (0, 0)

General equation of circle:

{ \boxed{ \bf{ {x}^{2} +  {y}^{2} + 2gx + 2fy   + c = 0}}}

but g and f are 0:

{x}^{2}  +  {y}^{2}   + c = 0 \\ but :  \\ c =  {g}^{2} +  {f}^{2}  -  {r}^{2}  \\ c =  { - 25}

8 0
3 years ago
Write 0.25 as a fraction in simple form
Nostrana [21]

Answer:

1/4

Step-by-step explanation:

hope it helped

7 0
2 years ago
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