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4 years ago

Please help ASAP and help me find what the value of x is

Mathematics

2 answers:

JulsSmile [24]4 years ago

7 0

The sum of all the angles of a triangle is 180 degrees.

Add all the angles together and set it equal to 180, then solve for x

33 + 103 + x = 180

(136 - 136) + x = 180 - 136

x = 44

Hope this helped!

elixir [45]4 years ago

6 0

Answer:

x=44

Step-by-step explanation:

33+103+x=180

136+x=180

x=44

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3 years ago

Suppose an=3an-1 -5an-2 -4an-3. and a4= -7, a5=-36, a6=-85 , find a1 , a2, a3

maria [59]

Answer:

$a_1=4\\\\a_2=0\\\\a_3=3$

Explanation:

The equation is:

$a_n=3a_{n-1}-5a_{n-2}-4a_{n-3}$

and

$a_4=-7, a_5=-36, a_6=-85$

1. Subsittute n = 6 into the equation:

$a_6=3a_{5}-5a_{4}-4a_{3}$

Now subsititute the known values:

$-85=3(-36)-5(-7)-4a_{3}$

You can solve for $a_3$

$-85=-108+35-4a_{3}\\\\4a_3=12\\\\a_3=12/4\\\\a_3=3$

2. Substitute n = 5 into the equation:

$a_5=3a_{4}-5a_{3}-4a_{2}$

Substitute the known values and solve for $a_2$

$-36=3(-7)-5(3)-4a_{2}\\\\4a_2=-21-15+36=0\\\\a_2=0$

3. Substitute n = 4 into the equation, subsitute the known values and solve for $a_1$

$a_4=3a_{3}-5a_{2}-4a_{1}$

$-7=3(3)-5(0)-4a_{1}\\\\4a_1=9+7=16\\\\a_1=4$

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3 years ago

What is a percentage increase of 19.50 to 22.50

Inga [223]

To find the percentaje we need to divided the tataol by the amount we end up having.

22.50/19.50=1.15
then we multiply by 100
115%
Then to find the percentaje increase we subtract
115%-100= 15%
So it has an increament of 15%

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3 years ago