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Mice21 [21]
2 years ago
6

The perimeter of the triangle below is 42 units. x + 5 Х x+7 What is the value of x?

Mathematics
1 answer:
pshichka [43]2 years ago
8 0

Answer:

x + 5+x+7+Х=42units

3x=42-12

x=30/3

x=10

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Durante un frente frío, la temperatura Canadá bajó de 7°C a -5°C ¿Cuántos grados bajo la temperatura
Anton [14]

Answer:

Durante el frente frío mencionado en el ejercicio, la temperatura de Canadá bajó:

  • <u>12°C</u>.

Step-by-step explanation:

Para obtener la cantidad de grados que bajó la temperatura en el caso mencionado, debes primero identificar la disminución en los grados positivos, es decir, cuando los grados Celsius llegaron a 0°C:

  • Diferencia entre 7°C y 0°C = <u>7°C</u>

En la operación matemática, solo restante la cantidad de grados necesarios a la temperatura inicial (7°C) para que la temperatura quedara en 0°C, donde obtenemos una diferencia de 7°C, ahora identificas la cantidad de grados que se necesitan para que la temperatura pase de 0°C a -5°C:

  • Diferencia entre 0°C y -5°C = <u>5°C</u>

Recuerda que como ya estamos hablando de diferencia, no necesitas señalar si los grados son negativos, solo identificamos el número de grados Celsius entre esas temperaturas mencionadas, por lo tanto, al final sumas las dos diferencias halladas y esa será la diferencia total entre las dos temperaturas dadas:

  • Diferencia entre 7°C y -5°C = 7°C + 5°C
  • <u>Diferencia entre 7°C y -5°C = 12°C</u>

Por lo tanto, durante el frente frío mencionado, <em><u>la temperatura en Canadá bajó 12°C</u></em>.

8 0
2 years ago
If y varies directly as x and y=50 when x=2, find y when x=6
Andrews [41]

Answer:

150

Step-by-step explanations:

Since, varies directly, and x=6 is 3 times x=2, then 50*3=150

7 0
3 years ago
Help me with my math and please show your work
LenaWriter [7]

Answer:


The solution is: 


$160 for booth + $16 needles = $176 as capital


$15 price to sell each scarf - $4 cost of the yarn to make

the scarf = $11 as profit


$176 / $11 = 16


The students must sell 16 pieces of scarves to get the

break even point of $176 for the capital



6 0
3 years ago
Help me with both or just one
nexus9112 [7]
Im pretty sure the first one would be 16 dollars
7 0
2 years ago
Read 2 more answers
Solve for a^2+b^2=c^2
Kay [80]
In this equation, there is nothing to solve for.  However, the expression a^{2} + b^{2} = c^{2} is the Pythagorean theorem.  If there is a right triangle, then when the lengths of two shorter legs (a and b) are added together, and then square rooted, you get c, which is the hypotenuse.

Hope this helps!
5 0
2 years ago
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