Natalya2907

6 Questions
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90

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Please help with this tile question..I am lost

determine the number of ways to tile a 5 × 19 rectangle with 1 × 5 tiles.

Natalya2907 Jul 7, 2023

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42

2

+24

recurrence Relation

The recurrence relation g(n)=3g(n−1)+2[g(n−2)+g(n−3)+g(n−4)+⋯+g(2)+g(1)] can be simplified to g(n)=αg(n−1)+βg(n−2) . The value of α+β is

Natalya2907 Jul 4, 2023

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50

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+24

Real Number question

Suppose that real numbers x and y.satisfy the equation 14x2+3xy+25y2+3x+34y+13=0. The value of x^2+y^2 is

Natalya2907 Jul 4, 2023

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62

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+24

Right angled triangle question

For some points of the form (k,7), the points A(2,3), B(12,13)and (k,7)
form a right-angled triangle. Suppose that C is such a point so that △ABC
is right-angled at C. Suppose that read more ..

Natalya2907 Jul 4, 2023

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58

2

+24

Question..need help

Connie has a number of gold bars, all of different masses. She gives the 17 lightest bars, which represent 30% of the total mass, to Brennan. She gives the 25 heaviest bars, which represent 48% of the total mass, to Maya. She gives the rest of the bars read more ..

Natalya2907 Jul 4, 2023

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66

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+24

Question on rectangle

A 3×23 rectangle stands so that its sides of length 23 are vertical. How many ways are there of tiling this 3×23 rectangle with 1×3tiles, of which exactly 6 are vertical?

Natalya2907 Jul 4, 2023