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3 years ago

What is the exterior angle theorem?

Mathematics

1 answer:

musickatia [10]3 years ago

7 0

Answer:

Step-by-step explanation:

look at the pictures. they should help.

when you have a triangle and you are trying to find the exterior angle you need to find the interior angle that is opposite of the exterior angle. they should both add up to 180 because it will be on a straight line. what ever numbers you have left should be for both angles.

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-1, 2, 7, 14, 23 can someone help me find quadratic nth term and explain please?

goblinko [34]

Answer:

$a_{n}$ = n² - 2

Step-by-step explanation:

Consider the differences between the values

- 1 , 2 , 7 , 14 , 23

3 5 7 9 ← not constant

Now consider the difference of these differences

3 , 5 , 7 , 9

2 2 2 ← constant

Since the second differences are constant, this indicates a quadratic n²

Now consider the position values of n

n = 1 : 1² = 1 ← require to subtract 2 for - 1

n = 2 : 2² = 4 ← require to subtract 2 for 2

n = 3 : 3² = 9 ← require to subtract 2 for 7

n = 4 : 4² = 16 ← require to subtract 2 for 14

n = 5 : 5² = 25 ← require to subtract 2 for 23

Thus n th term formula is

$a_{n}$ = n² - 2

8 0

4 years ago

Solve the equation 5(x + 2) = 6x + 3x − 14, and show your work.

amm1812

Answer:

X=6

Step-by-step explanation:

5(x+2)=6x+3x−1

Step 1: Simplify both sides of the equation.

5(x+2)=6x+3x−14

(5)(x)+(5)(2)=6x+3x+−14(Distribute)

5x+10=6x+3x+−14

5x+10=(6x+3x)+(−14)(Combine Like Terms)

5x+10=9x+−14

5x+10=9x−14

Step 2: Subtract 9x from both sides.

5x+10−9x=9x−14−9x

−4x+10=−14

Step 3: Subtract 10 from both sides.

−4x+10−10=−14−10

−4x=−24

Step 4: Divide both sides by -4.

−4x / -4= −24 / −4

x=6

8 0

3 years ago

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The solution to an equation is 21. Select the statement that is true for the solution shown.

bagirrra123 [75]

I would think it a hop this helped you out!!!!!!!!!

3 0

3 years ago

What is 7505 divided by 11?

Irina18 [472]

Answer:

7505÷11 = 682.27272727

Step-by-step explanation:

or you can just put a line over the 27

6 0

3 years ago

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2x+7=12x-6 looking for x

Rzqust [24]

Hey!

Let's start by writing the problem:
$2x+7=12x-6$
Subtract 7 from both sides.
$2x+7-7=12x-6-7$
$2x=12x-13$
Subtact 12x from both sides.
$2x-12x=12x-13-12x$
$-10x=-13$
Divide both sides by -10.
$\frac{-10x}{-10}=\frac{-13}{-10}$
$x=\frac{13}{10}$

Let me know if you have any questions regarding this problem!
Thanks!
-TetraFish

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3 years ago

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What is the exterior angle theorem?​

What is the exterior angle theorem?