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IRISSAK [1]
3 years ago
13

What is a variable?

Mathematics
1 answer:
Masteriza [31]3 years ago
3 0

B. A variable is something we do not know and we use a letter to represent it.

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Which is a composite number 21,43,29,37
Westkost [7]

Answer:

29

Step-by-step explanation:

it has more than 2 factors.

8 0
4 years ago
La figura mostrada se dividió en tres partes iguales para calcular su área.
levacccp [35]

Answer:

El área de un rectángulo de largo L y ancho A es: L*A.

El área de un triangulo de alto H y base B es: H*B/2.

Ahora veamos las tres figuras:

Rectángulo amarillo:

Largo = 40m

Ancho = 45m

Área = 40m*45m = 1800 m^2

Rectángulo blanco:

Largo = 40m

Ancho = 35m

Área = 40m*35m = 1400m^2

Triangulo azul:

Base = 35m

Alto = 50m

Área = 35m*50m/2 = 875m^2

Area total = 1800 m^2 + 1400m^2 + 875m^2 = 4075m^2

8 0
4 years ago
Find angle ADB of the equation
Aloiza [94]

Answer:

m\angle ADB = 59\°.

Step-by-step explanation:

Given:

\angle BDC = 31\°

We need to find \angle ADB.

Solution:

Now we can see that given figure is a rectangle with diagonals drawn in it.

So by properties of rectangle which states that;

"All angles of a rectangle are 90°."

So we can say that;

\angle A = \angle B = \angle C = \angle D = 90\°

But

\angle D = \angle BDC + \angle ADB

Substituting the values we get;

31\°+\angle ADB = 90\°

Subtracting both side by  by 31 we get;

31\°+\angle ADB -31\°= 90\°-31\°\\\\m\angle ADB = 59\°

Hence m\angle ADB = 59\°.

8 0
4 years ago
Need help with this please help
Dmitry_Shevchenko [17]
Its 50 i think..hope it helps

7 0
3 years ago
Is 7 a solution to 4x=21
kotykmax [81]

Answer:

No

Step-by-step explanation:

7 would be the solution to 3x=21, the solution to 4x=21 is 21/4 or 5.25.

5 0
4 years ago
Read 2 more answers
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