2 years ago

Find the height of this triangle.

Mathematics

1 answer:

Bogdan [553]2 years ago

7 0

Answer:

$\sqrt{3}$

Step-by-step explanation:

x^2 + 1 = 4

x^2 = 3

$\sqrt{3}$

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Write a recursive definition for the sequence 14, 10, 6, 2...

VladimirAG [237]

The general form of recursive definition for arithmetic sequence:
$a_{n}=a_{1}+d(n-1)$

So, what we need to do is to find $a_{1}$ and $d$ .
$a_{1}=14$
$d=a_{2}-a_{1}=10-14=-4$
Having found these two values we can now define our recursive sequence:
$a_{n}=14-4(n-1)$
$a_{n}=14-4n+4$
$a_{n}=18-4n$

7 0

3 years ago

Read 2 more answers

05 lc) if x2 = 10, what is the value of x? ±square root of 10 ±square root of 20 ±5 ±20

postnew [5]

$x^2=10\\x=\pm\sqrt{10}$