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Sav [38]
3 years ago
7

3x + x + x + x − 3 − 2 = 7 + x + x In the equation above, what is the value of x?

Mathematics
1 answer:
algol133 years ago
7 0

Answer:

x=3

Step-by-step explanation:

3x + x + x + x − 3 − 2 = 7 + x + x

Combine like terms

6x -5 = 7+2x

Subtract 2x from each side

6x-2x -5 = 7+2x-2x

4x-5 =7

Add 5 to each side

4x-5+5 = 7+5

4x =12

Divide by 4

4x/4 = 12/4

x = 3

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4 0
3 years ago
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The Fibonacci sequence is defined by $F_1 = F_2 = 1$ and $F_{n + 2} = F_{n + 1} + F_n$. Find the remainder when $F_{1999}$ is di
zavuch27 [327]

Answer:

The remainder is 1

Step-by-step explanation:

Given the Fibonacci sequence

F_1 = F_2 = 1, and

F_(n + 2) = F_(n + 1) + F_n

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Let us write the first 20 numbers of the sequence in (mod 5). They are

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F_2 = 1,

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F_4 = 3,

F_5 = 5 = 0 (mod 5),

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F_(17) = 2

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We have: 1, 1, 2, 3, 0, 3, 3, 1, 4, 0, 4, 4, 3, 2, 0, 2, 2, 4, 1, 0

Now, 1999 = 19(mod 20)

The 19th number in the sequence is 1.

So, the remainder is 1.

6 0
3 years ago
El que me lo responda bien le doy 20 puntos mas :v
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Step-by-step explanation:

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A rectangle with an area of 5/8 ft² is dilated by a factor of 8. What is the area of the dilated rectangle?
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Answer:

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Step-by-step explanation:

Let the length of the original rectangle be L and original Breadth be B

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i.e.

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LB = 5/8 ft² ------------------(1)

Given that the dilation factor is 8,

Hence,

New Length = 8L and New Breadth = 8B

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4 years ago
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