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3 years ago

I NEED HELP ASAP (8th grade problem)

Mathematics

1 answer:

DerKrebs [107]3 years ago

3 0

Y r u cheating ima snitch on u

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Find the sum of the measures of the interior angles of a convex 14-gon.

aalyn [17]

Sum of all interior angles = (n-2)x180, n being the number of sides.

sum of all interior angles = (n-2)x180
sum of all interior angles = (14-2)x180
sum of all interior angles = 12 x180
sum of all interior angles = 2160°

4 0

3 years ago

7. Given: AB CD, BD =DE

MAVERICK [17]

Answer:

Step-by-step explanation:

Given that Given: AB = CD, BD =DE

The following addition postulates are true;

AB+BD = AD...... 1

CD+DE = CE...... 2

Substituting AB = CD, BD =DEinto equation 1, the equations will become;

CD+DE = AD...... 3

Subtract equation 2 from 3;

CD -CD+DE-DE = CE - AD

0+0 = CE-AD

0 = CE-AD

CE-AD = 0

Add AD to both sides

CE-AD+AD = 0+AD

CE = AD

AD = CE (Proved)

5 0

3 years ago

Find a power series for the function, centered at c. 7x c=0 x2+5x 6 , g(x) - Determine the interval of convergence. (Enter your

babunello [35]

Answer:

$\mathbf{g(x) = \sum \limits^{\infty}_{n=0} (-1 + (\dfrac{-1}{6})^n)x^n }$

and the interval of the convergence is (-1, 1)

Step-by-step explanation:

To find a power series for the function, centered at c.

$g(x) = \dfrac{7x}{x^2 +5x-6} ,\ c = 0$

If we factorize the denominator, we have:

$g(x) = \dfrac{7x}{(x +6)(x-1)}$

$g(x)= \dfrac{1}{x-1}+\dfrac{6}{x+6}$

Thus;

$g(x)= \dfrac{-1}{1-x}+\dfrac{1}{1+\dfrac{x}{6}}$

$g(x)= \dfrac{-1}{1-x}+\dfrac{1}{1-(-\dfrac{x}{6})}$

$g(x) = - \sum \limits^{\infty}_{n=0} x^n + \sum \limits^{\infty}_{n=0} x^n(\dfrac{-x}{6})^n \ \ if \ \ |x| < 1 \ \ and \ \ |\dfrac{x}{6}< 1$

$g(x) = \sum \limits^{\infty}_{n=0} (-1 + (\dfrac{-1}{6})^n)x^n , \ if |x|$

$\mathbf{g(x) = \sum \limits^{\infty}_{n=0} (-1 + (\dfrac{-1}{6})^n)x^n }$

and the interval of the convergence is (-1, 1)

4 0

3 years ago

Which ordered pair (x, y) is a solution to the given system of linear equations? 3x+3y=-3

Andreyy89

I believe the ordered pair would be (-1,0). Hope this helps!

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3 years ago

Read 2 more answers

Indicate whether the following statements are True (T) or False (F).

Vadim26 [7]

<span> 1. The difference of two integers is always a natural number - FALSE ; 2. The difference of two integers is always an integer. TRUE ; 3. The sum of two integers is always an integer. TRUE ; 4. The quotient of two integers is always an integer (provided the denominator is non-zero). TRUE ; 5. The ratio of two integers is always positive FALSE ; 6. The product of two integers is always an integer. TRUE ; 7. The quotient of two integers is always a rational number (provided the denominator is non-zero). FALSE</span>

7 0

3 years ago