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Vinvika [58]
3 years ago
11

1.What value goes in the blank to make this a proportion:

Mathematics
1 answer:
iragen [17]3 years ago
4 0
1. 24
2. 56
3. 15
4. 60
Hopefully this helps!
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Prove that 2017(2018^9+2018^8+…+2018^2+2019+1)=2018^10+2017
alisha [4.7K]
Let a=2018, we can rewrite the question into

(a-1)(a^9+a^8+...+a^2+a+2)\\=(a-1)(a^9+a^8+...+a^2+a+1)+(a-1)\\=a^{10}-1+a-1

substitute back a = 2018, obtained

{2018}^{10} + 2016
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5 0
4 years ago
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3. Samuel tiene 11 cajas con mosaicos cuadrados de 20 cm por
mihalych1998 [28]

Answer:

Primero veamos el área de la pared, es decir, el área total que Samuel debe cubrir.

La pared es de 3m por 2m.

Entonces el area es:

A = 3m*¨2m = 6m^2.

Ahora veamos los mosaicos.

Cada mosaico es un cuadrado de 20cm por 20cm.

El primer paso sería cambiar las unidades para tener metros aca también.

1cm = 0.01m

entonces.

20cm = 20*0.01m = 0.2m.

Entonces cada mosaico es:

0.2m por 0.2m

El área de cada mosaico es:

a = 0.2m*0.2m = 0.04m^2.

En una caja de mosaicos hay 14 mosaicos, entonces con una caja Samuel puede cubrir 14 veces a, o:

14*0.04m^2 = 0.56m^2.

Y Samuel tiene 11 cajas, entonces tenemos 11 veces lo de arriba:

11*0.56m^2 = 6.16m^2.

Y el área de la pared es 6m^2.

6.16m^2 > 6m^2

Entonces con las 11 cajas de mosaicos podemos cubrir completamente esa pared, y vamos a tener algunos mosaicos sobrantes.

Entonces Samuel no debe comprar mas cajas.

6 0
3 years ago
Which scenarios involves right triangles?
netineya [11]

Answer:

c

Step-by-step explanation:

9 0
3 years ago
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Ok another one i managed to fit in one screenshot this time
nika2105 [10]
C none of the above
3 0
3 years ago
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GIVING BRAINLIEST. Question - what is the absolute value of -500
Hitman42 [59]
500 is the correct answer to this question because the distance from -500 to 0 is 500
4 0
3 years ago
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