3 years ago

Order the numbers in the increasing order: 0, -1, -11, 6/5, 1.25

Mathematics

2 answers:

MrRa [10]3 years ago

7 0

Answer:

we start from the lowest to the highest

-11, -1, 0, 6/5, 1.25

Rudiy273 years ago

6 0

Answer:

-11, -1, 0, 6/5, 1.25

Step-by-step explanation:

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Prove that an = 4^n + 2(-1)^nis the solution to

olga nikolaevna [1]

Answer:

See proof below

Step-by-step explanation:

We have to verify that if we substitute $a_n=4^n+2(-1)^n$ in the equation $a_n=3a_{n-1}+4a_{n-2}$ the equality is true.

Let's substitute first in the right hand side:

$3a_{n-1}+4a_{n-2}=3(4^{n-1}+2(-1)^{n-1})+4(4^{n-2}+2(-1)^{n-2})$

Now we use the distributive laws. Also, note that $(-1)^{n-1}=\frac{1}{-1}(-1)^n=(-1)(-1)^{n}$ (this also works when the power is n-2).

$=3(4^{n-1})+6(-1)^{n-1}+4(4^{n-2})+8(-1)^{n-2}$

$=3(4^{n-1})+(-1)(6)(-1)^{n}+4^{n-1}+(-1)^2(8)(-1)^{n}$

$=4(4^{n-1})-6(-1)^{n}+8(-1)^{n}=4^n+2(-1)^n=a_n$

then the sequence solves the recurrence relation.

4 0

4 years ago

I’m confused how do you know where to put the plus and minus signs when rearranging the equation?

IRINA_888 [86]

-5/12k +29/36m is simplified

7 0

3 years ago

Work out the percentage change to 2 decimal places when a price of £70 is increased to £99.

TiliK225 [7]

Answer: that is the solution to the question

Step-by-step explanation:

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3 years ago

C) How many fifths are there in 20?

Sladkaya [172]

Answer:

they are 4 i think

Step-by-step explanation:

5 x 4 = 20

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3 years ago

Read 2 more answers

Elimination: 3x+4y=27; 5x-3y=16

aliya0001 [1]

The solution is:
y = 3
and
x = 5

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4 years ago