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amid [387]
3 years ago
15

Difference of two squares Calculate this 81-(3x-2)^2 ^2= to the power of 2

Mathematics
1 answer:
Marat540 [252]3 years ago
5 0
<span>81-(3x-2)^2
= </span><span>81-(-6)^2
= 81 - 36
= 45

hope it helps</span>
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How to classify triangles by its sides and by its angles help pls
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Step-by-step explanation:

triangle with 2 sides of equal lengths= isoceles

triangle with 3 sides of equal lengths= equilateral

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Factorise<br>x2 + 2x - 3​
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( x − 1 ) ( x +3 )

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For what values of x is x^2 +2x=24 true
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T(d) is a function that relates the number of tickets sold for a movie to the number of days since the movie was released. The a
il63 [147K]

Answer:

The same number of tickets was sold on the fourth day and tenth day.

Step-by-step explanation:

Given, T(d) is a function that relates the number of tickets sold for a movie to the number of days since the movie was  released.

The average rate of change in a function with respect to the independent variable gives the value of change in a particular period.

If average rate of change in T(d) for the interval d = 4 and d = 10 is  is 0 , that means nothing has been changed in the number of tickets sold on 4th day and 10th day after the film release.

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3 0
3 years ago
Considerando las siguientes variables a = ancho y l = longitud, determina su valor, si se sabe que se cuenta con un rectángulo q
kogti [31]

Answer:

La longitud = 7 metros

La anchor = 10.5 metros

Step-by-step explanation:

La fórmula para el perímetro de un rectángulo es

P = 2L + 2W

L = longitud

A = ancho

P = 35 metros

se sabe que el doble de su ancho es igual a 3 veces su largo.

2A = 3L

Ancho = 3L / 2 = 1.5L

Sustituimos 1.5L por W

35 = 2 L + 2 (1.5 L)

35 = 2L + 3L

35 = 5 litros

L = 35/5

L = 7 metros

Por lo tanto, la longitud = 7 metros

Recuerda

A = 1.5 L

A = 1.5 × 7

A = 10.5 metros

La anchor = 10.5 metros

8 0
3 years ago
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