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Roman55 [17]
4 years ago
8

Solve the equation 10x^4-81x^2+164=0 on the real number system

Mathematics
2 answers:
rusak2 [61]4 years ago
6 0
I got -2,2....................
Natasha_Volkova [10]4 years ago
5 0

x = -2, 2, +/- square root of 41/10

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Felipe trabaja en una construcción ayuda a cotizar materiales entre ellos cables para diversos propósitos el arquitecto le pidió
valina [46]

Answer:

a) 0.64mm

b) 7/25

Step-by-step explanation:

Felipe trabaja en una construcción ayuda a cotizar materiales entre ellos cables para diversos propósitos.El arquitecto le pidió cotizar un cable de 16/25 mm de diámetro. en los catálogos disponibles en as tiendas las medidas aparecen expresadas en números decimales como se muestra en la imagen

¿Que debe hacer felipe para saber el diámetro del cable que pidió el arquitecto?

¿que medida en forma de fracción le corresponde al cable que mide 0.28? ¿como lo determinaste? es urgenteeee GRACIAS

a)Para que obtengamos la medida del material expresada como decimal, usaremos el método de división larga. compruebe el archivo adjunto para la solución a la división.

16/25 mm = 0,64 mm

b) La medida fraccionaria corresponde al cable que mide 0.28 se expresa como se muestra. Convertir 0,28 a fracción.

0.28 = 28/100 (Tenga en cuenta que dividimos por 100 porque hay dos valores decimales después del punto decimal)

Sobre la simplificación en su término más bajo

0.28 = 28/100 = 2*14/2*50

0.28 = 28/100 = 14/50

simplificando aún más

0.28 = 14/50 = 2*7/2*25

0.28 = 14/50 = 7/25

28/100 = 7/25

Por lo tanto, la medida fraccionaria que corresponde al cable que mide 0.28 es 7/25.

8 0
3 years ago
ANSWER FAST PLS 25POINTS!!!!!!!!!!!!!!
xxTIMURxx [149]

Answer:

c

Step-by-step explanation:

hope it works

8 0
3 years ago
The length of a rectangle is 2 cm less than it’s width.If the area of the rectangle is 35 cm^2,find the width
Elan Coil [88]

Answer:

7cm

Step-by-step explanation:

Area = Length x width

A = 35

w= L - 2

L = w+ 2

Now it becomes

35 = ( w+2) x w

35 = w^2 + 2w

W^2 + 2w - 35 = 0

By Factorization we have

( w + 7)( w-5)

w = 5cm

Since L = w + 2, we have

L = 5 + 2

= 7cm

5 0
3 years ago
Pls help! Pls do this step by step . <br>factorise: <br>m^3-27​
Verdich [7]

Answer:

m-3

Step-by-step explanation:

cube root the two to get m-3

7 0
3 years ago
Plz answer quickly will you brainlist
marshall27 [118]

Step-by-step explanation:

A' (1,4)

B' (5,8)

C'( 5,4)

D' (3,2)

you're graph was hard to read. but basically turn all the negative x values of the original shape into positive x values

3 0
3 years ago
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