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masha68 [24]
3 years ago
15

Please help guys! Will give brainliest!

Mathematics
1 answer:
Savatey [412]3 years ago
3 0

Answer:

55

Step-by-step explanation:

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In parallelogram DEFG, DH = x + 3, HF = 3y, GH = 4x – 5, and HE = 2y + 3. Find the values of x and y.
marissa [1.9K]

Here, DH = HF 

x+3 = 3y

x = 3y-3   ----(I)

GH = HE

4x-5 = 2y+3

4x = 2y+8

Substitute value of x,

4(3y-3) = 2y+8

12y-12 = 2y+8

12y-2y = 12+8

10y = 20

y = 2

Now, substitute it in equation 1,

x = 3(2)-3

x = 6-3 = 3

So, your final answer is      x=3  & y=2



3 0
3 years ago
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Why a square must be a rectangle, but a rectangle does not have to be a square?
Dmitry_Shevchenko [17]
A square has four sides and they all have to be of equal length with each corner forming a 90 degree angle. A rectangle is also 4 sided but it's sides don't have to be of equal length
7 0
4 years ago
Si un bloqie rueda sobre un plano rugoso tiene perdida de energia mecanica ficicamente esto quiere decir
Ronch [10]

Answer:

Step-by-step explanation:

Desde el concepto de conservación de la energía mecánica, es decir, la energía asociada con el movimiento coherente de un objeto, la energía cinética del objeto, junto con su momento, están conectadas entre sí. Entonces, si un bloque rueda sobre un plano irregular, tiene pérdida de energía mecánica, esto significa que la energía cinética se compensa con las ganancias o pérdidas de la energía potencial de la interacción del objeto.

6 0
3 years ago
What is the unit rate for 11.49 for 3 packages
Andru [333]
The answer is 3.83 because you divide 11.49 into 3 packages
7 0
4 years ago
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What is the percent of change from 800 to 40?​
marusya05 [52]

Answer:

95%

Step-by-step explanation:

%Change from 800 to 40 = %Decrease

%Decrease = Old Value - New Value/Old Value × 100%

%Decrease = 800-40/800 × 100%

%Decrease = 760/800 × 100%

% Decrease = 95%(Answer)

8 0
3 years ago
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