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Oksana_A [137]
3 years ago
9

What is the permiter of the figuere

Mathematics
1 answer:
erastovalidia [21]3 years ago
4 0

Answer:

68.7

Step-by-step explanation:

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La suma de dos números es 81. La diferencia de los mismos dos números es 33. Escribe un sistema de ecuaciones para representar e
Alekssandra [29.7K]

Answer:

a) Escribe un sistema de ecuaciones para representar esta situación.

x + y = 81 ...... Ecuación 1

x - y = 33 ....... Ecuación 2

b) Los dos números son: 57 y 24

Step-by-step explanation:

Estamos tratando con 2 números

Dejar

El primer número = x

El segundo número = y

La suma de dos números es 81.

x + y = 81 ...... Ecuación 1

La diferencia de los mismos dos números es 33.

x - y = 33 ....... Ecuación 2

Escribe un sistema de ecuaciones para representar esta situación.

x + y = 81 ...... Ecuación 1

x - y = 33 ....... Ecuación 2

Resolvemos estas ecuaciones usando el método de eliminación

Restamos la ecuación 2 de la ecuación 1 para eliminar

2y = 48

y = 48/2

y = 24

Resolver para x usando la Ecuación 1

x + y = 81 ...... Ecuación 1

x + 24 = 81

x = 81 - 24

x = 57

Por lo tanto, los dos números son: 57 y 24

7 0
3 years ago
) (i) Simplify:<br>Permudahkan:-<br>9 + 3t - 4​
AURORKA [14]

Answer: =3t+5

Step-by-step explanation:

hope this helped

3 0
3 years ago
If the time is 9:20 am. What time will it be after three hours and fifty minutes?
yarga [219]

Answer:

The time would be 1:10 pm.

Step-by-step explanation:

9:20 + 3 hours is 12:20.

50 minutes after 12:20 is 1:10.

3 0
3 years ago
Read 2 more answers
Suppose that 22 ​thank-you notes are written and 22 envelopes are addressed.​ accidentally, the notes are randomly inserted into
podryga [215]

|\Omega|=22!=1,124,000,727,777,607,680,000\\ |A|=1\\\\ P(A)=\dfrac{1}{1,124,000,727,777,607,680,000}

7 0
4 years ago
1. Evaluate the function f(x)=3x-1 using the domain of -2, 0, 3, and 5. Results are to be shown in a table.
IceJOKER [234]

Answer:

See explanation

Step-by-step explanation:

You are given the function f(x)=3x-1

The domain of the function are all possible values of variable x, so you can find f(x) for x=-2, 0, 3, 5:

f(-2)=3\cdot (-2)-1=-6-1=-7\\ \\f(0)=3\cdot 0-1=0-1=-1\\ \\f(3)=3\cdot 3-1=9-1=8\\ \\f(5)=3\cdot 5-1=15-1=14

The table is

\begin{array}{cc}x&f(x)\\-2&-7\\0&-1\\3&8\\5&14\end{array}

The inverse function f^{-1}(x) has the domain which is the range of the function f(x) (all possible values of f(x)), so the domain of inverse function is {-7,-1,8,14}

6 0
3 years ago
Read 2 more answers
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